35
NGK SPARK PLUGS (U.S.A), INC. Cutting Tool Sales Office 46929 Magellan Dr., Wixom, Ml 48393 U.S.A. Tel. ; +1-248-668-0100 Fax ; +1-248-668-0200 NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes (SP), Brazil Tel. ; +55-11-4793-9092 Fax ; +55-11-4793-8270 NGK SPARK PLUGS (U.K), LTD Maylands Avenue, Hemel Hempstead, Herts, HP24SD, U.K. Tel. ; +44 1442-281-000 Fax ; +44 1442-281-080 NTK Technical Ceramics Polska Sp.z o.o. Leg. Ul. Europejska 8 55-220 Jelcz-Laskowice Tel. ; +48 71-381-1284 Fax ; +48 71-318-2333 NTK CUTTING TOOLS KOREA CO.,LTD. 680-14 Kojan-Dong, Namdong-ku Incheon, Korea Tel. ; +82-32-815-6763 Fax ; +82-32-815-6762 NGK SPARK PLUG CO.,LTD. Shanghai Liaison Office Flat D, 7/F, Century Ba-shi Building, No. 398 Huai Hai Rd(M), Shanghai 200020, THE PEOPLE’S REPUBLIC OF CHINA Tel. ; +86-21-6385-7652 Fax ; +86-21-6385-3690 NGK SPARK PLUG EUROPE GmbH Harkortstr.41 40880 Ratingen, Germany Tel. ; +49 2102 974-350 Fax ; +49 2102 974-399 NTK Cutting Tools Italy Liaison Office Via delle Azalee, 15 20090 Buccinasco (MI), Italy Tel. ; +39.02.488.86.91 Fax ; +39.02.488.42.717 NGK SPARK PLUGS (THAILAND) CO.,LTD. Unit 1504 15th Floor, chartered Square Bldg, 152 North Sathorn Rd Bangrak, Bangkok 10500, Thailand Tel. ; +66-2634-5211 Fax ; +66-2634-5214 NGK SPARK PLUG CO.,LTD. Technical Ceramics Group Cutting Tool Overseas Sales & Marketing 2808, Iwasaki, Komaki, Aichi 485-8510, Japan Tel. ; +81-568-76-1538 Fax ; +81-568-76-1288 SPARK PLUGS ( USA ) , INC. CUTTING TOOL SALES OFFICE Detroit Office: (Main Sales Office) 46929 Magellan Dr., Wixom, MI 48393 U.S.A. Phone: 248-668-0100 Fax: 248-668-0200 Toll Free: 866-900-9800 DISTRIBUTED BY Printed in Japan OC-2161-0806Solutions For The Aerospace Industry Machining High Temperature Alloys With Ceramics

Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

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Page 1: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

NGK SPARK PLUGS (U.S.A), INC.Cutting Tool Sales Office

46929 Magellan Dr., Wixom, Ml 48393 U.S.A.Tel. ; +1-248-668-0100Fax ; +1-248-668-0200

NGK DO BRASIL LTDA.CERAMICA E VELAS DE IGNICAO

Estrada Mogi-Salesopolis, km 09 Bairro Cocuera,Mogi das Cruzes (SP), Brazil

Tel. ; +55-11-4793-9092Fax ; +55-11-4793-8270

NGK SPARK PLUGS (U.K), LTDMaylands Avenue, Hemel

Hempstead, Herts, HP24SD, U.K.Tel. ; +44 1442-281-000Fax ; +44 1442-281-080

NTK Technical Ceramics Polska Sp.z o.o.Leg. Ul. Europejska 8

55-220 Jelcz-LaskowiceTel. ; +48 71-381-1284Fax ; +48 71-318-2333

NTK CUTTING TOOLSKOREA CO.,LTD.

680-14 Kojan-Dong, Namdong-kuIncheon, Korea

Tel. ; +82-32-815-6763Fax ; +82-32-815-6762

NGK SPARK PLUG CO.,LTD.Shanghai Liaison Office

Flat D, 7/F, Century Ba-shi Building, No. 398Huai Hai Rd(M), Shanghai 200020,

THE PEOPLE’S REPUBLIC OF CHINATel. ; +86-21-6385-7652Fax ; +86-21-6385-3690

NGK SPARK PLUG EUROPE GmbHHarkortstr.41

40880 Ratingen, GermanyTel. ; +49 2102 974-350Fax ; +49 2102 974-399

NTK Cutting ToolsItaly Liaison OfficeVia delle Azalee, 15

20090 Buccinasco (MI), ItalyTel. ; +39.02.488.86.91 Fax ; +39.02.488.42.717

NGK SPARK PLUGS(THAILAND) CO.,LTD.

Unit 1504 15th Floor, chartered Square Bldg,152 North Sathorn Rd Bangrak, Bangkok

10500, ThailandTel. ; +66-2634-5211Fax ; +66-2634-5214

NGK SPARK PLUG CO.,LTD.Technical Ceramics Group Cutting Tool

Overseas Sales & Marketing 2808, Iwasaki, Komaki, Aichi

485-8510, JapanTel. ; +81-568-76-1538Fax ; +81-568-76-1288

SPARK PLUGS (USA), INC.

CUTTING TOOL SALES OFFICEDetroit Office: (Main Sales Office)46929 Magellan Dr., Wixom, MI 48393 U.S.A.Phone: 248-668-0100 Fax: 248-668-0200Toll Free: 866-900-9800

DISTRIBUTED BY

Printed in Japan OC-2161-0806狆

Solutions For TheAerospace Industry

Machining HighTemperature Alloys

With Ceramics

Page 2: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

Guide to This Catalogue

This catalogue lists products as of June 2008.

Inventory status symbols:

● : Stock item

○ : Available (Special order)

------------------Safety Notice------------------

We make a particular effort to manufacture safe products. However,

NTK cutting tools may be broken due to a sudden increase of the

cutting load or excessive tool wear, which could possibly cause injuries

to operators. To protect the operators from such accidents, please note

the following when operating a cutting tool:

◎ Install shielding plates or wear protective clothes and

glasses.

◎ Do not touch the cutting edge with bare hand because it

is sharp.

◎ Use genuine NTK parts for parts and drivers, etc.

◎ Check sharpness and replace the tool early if necessary.

◎ Check the sharpness of tools and exchange them at an

early stage.

We do not recommend you to grind cutting tools because grinding may

cause cracks and improper finishing, possibly resulting in breakage of

the tool.

WARNING

Page 3: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

1

CONTENTS

Introduction of Insert GradesWA1, SX5, SX9, ZM3, QM3

Grade Selection &Recommended Cutting Conditions

Insert Identification System

Insert Stock List

Toolholders

Grooving Tools

Milling Cutters

Application

Index

2

10

13

17

23

29

35

41

57

Page 4: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

32

Composition & Properties

WA1 is a whisker-reinforced ceramic material with silicon-carbidewhiskers added to alumina. The main component alumina ceramicoffers the best wear resistance at high cutting speeds but lacks tough-ness. Toughness and notch wear resistance dramatically increases whenalumina ceramic is combined with silicon-carbide (SiC) "whisker".The end result is whisker-reinforced ceramic "WA1". WA1 has beenused widely for machining high temperature alloys at high cuttingspeeds. WA1 has a higher (SiC) content than other competitor's whisker-reinforced ceramics. The resulting material,WA1, shows increased productivity and extended reliability in applications where toughness and notching resistanceare needed. WA1 is an excellent choice for finish and semi-finish applications of high nickel based alloys whereSiAlON ceramics may have excessive flank wear. WA1 also excels in long continuous profile cuts and grooving applica-tions when more wear resistance is needed.

Whisker-Reinforced CeramicWA1

WA1 Features

Recommended applications

Grade Cutting speed (SFM) Feed rate (IPR) Depth of cut (INCH)

Rough no scaleFinish & Semi finish

ProfilingGrooving

600 – 1200

600 – 1500

600 – 1200

.004 – .010

.004 – .012

.003 – .008

.002 – .006

.040 – .100

.020 – .080

■ Best flank wear resistance at high speed■ Best notch wear resistance compared with competitor's

whisker reinforced ceramics■ Higher toughness compared with competitor's whisker rein-

forced ceramics

Recommended work materials

■ High temperature alloys (Nickel based alloys, Cobalt based alloys, Titanium alloys etc.)■ Stellite■ Hardened stainless■ Hardened steel with interrupted cut

1500

1200

900

600

300

0Light Interrupted InterruptedContinuous

Cut

ting

Spe

ed(

SF

M)

ZM3,QM3

SX5

SX9WA1

Rough no scale

Profiling

Finish & Semi finish

Grooving

Note: WA1 works well on applications where more wear resistance is needed at high cutting speeds. Also WA1 works well wherechatter caused by too much cutting pressures

Rough turning of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's silicon nitride WA1

RNG45

700 SFM

.010 IPR

.080 inch

WET

8 inserts/part

1000 SFM

6 inserts/part

The competitor's silicon nitride caused bad surface finish and chatter dueto its excessive flank wear. WA1 showed better flank wear resistance athigher speed. WA1 needed (6) inserts to finish the part. The competitor'ssilicon nitride used (8) inserts. WA1 showed high productivity and costreduction.

Part

Material

Aircraft parts

Inco718 no scale

Profiling of Inco625

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's whisker ceramic WA1

RPGX35

900 SFM

.006 IPR

.020 – .030 inch

WET

3 passes/edge

3 passes/edge

The competitor's whisker ceramic was chipping due to its increased depthof cut notch wear. WA1 showed better wear resistance compared with thecompetitor's whisker ceramic.

Part

Material

Aircraft parts

Inco625 (HRC28)

Grooving of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's whisker ceramic WA1

VGW8375-2

800 SFM

.004 IPR

WET

4.0 min

5.0 min

WA1 showed better tool life compared with the competitor's whisker ceramic.

Part

Material

Aircraft parts

Inco718

Competitor's silicon nitride WA1

Competitor's whisker ceramic WA1

WA

1

WA

1

Page 5: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

54

SiAlON CeramicSX5

SX5 Features

■ Excellent notch wear resistance■ Toughest SiAlON grade on the market■ Better thermal shock resistance compared with whisker rein-

forced ceramics■ Use SX5 where heavy scale or interruptions are encountered

Composition & Properties

SX5 is a SiAlON ceramic for high speed machining of high tempera-ture alloys. SX5 is a combination of silicon nitride ceramic and alu-mina ceramic. Silicon nitride ceramic material offers the best notchwear resistance, toughness and thermal shock resistance but lacks offlank wear resistance at high cutting speeds. SiAlON ceramic main-tains the same notch wear resistance, toughness and thermal shockresistance as silicon nitride ceramic, but offers better flank wear resist-ance than silicon nitride ceramic.SX5 is the toughest SiAlON grade for machining high temperature alloys at high cutting speed on the market.Use SX5 where heavy scale and interruptions are encountered. SX5 works well for rough turning or milling of Inco718, Waspaloy and other cobalt based alloys.

1500

1200

900

600

300

0Light Interrupted InterruptedContinuous

Cut

ting

Spe

ed(

SF

M)

ZM3,QM3

SX5

SX9WA1

SX5

Recommended applications

Grade Cutting speed (SFM) Feed rate (IPR) Depth of cut (INCH)

Rough scaleProfilingGrooving

Milling

450 – 900

600 – 1200

450 – 900

2300 – 3300

.008 – .016

.006 – .016

.003 – .008

.003 - .006"/tooth

.040 – .120

.020 – .080

.020 – .100

Recommended work materials

■ High temperature alloys (Nickel based alloys, Cobalt based alloys, Titanium alloys etc.)Especially, SX5 works well in rough turning of Inco718, Waspaloy and Cobalt based alloys

■ Stellite■ Hardened stainless

Rough scale

Grooving

Profiling

Milling

Note: SX5 works well where notch wear resistance, toughness and thermal shock resistance are needed.

SX5

Rough scale turning of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's whisker ceramic SX5

RCGX45

850 SFM

.004 IPR

.075 – .0100 inch

WET

1 pass/edge

.010 IPR

1 pass/edge

SX5 showed 2.5times higher productivity compared with competitor'swhisker reinforced ceramic by increasing the feed rate.

Part

Material

Aircraft parts

Inco718 scale (HRC42)

Rough scale turning of Waspaloy

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's silicon nitride SX5

RCGX45

650 SFM

.008 IPR

.075 – .100 inch

WET

1 pass/edge

1 pass/edge

Though the competitor's silicon nitride ceramic was chipping on its cut-ting edge in spite of decreasing the feed at the entry of cut, SX5 couldeliminate the chipping on its cutting edge without decreasing the feed atthe entry of cut.

Part

Material

Aircraft parts

Waspaloy

Grooving of Udimet720

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's carbide SX5

VDB375B031

65 SFM

.001 IPR

.400" deep

WET

8 inserts/part

600 SFM

.003 IPR

3 inserts/part

SX5 showed 2.5times better tool life and (27) times higher productivitycompared with the competitor's carbide.

Part

Material

Aircraft parts

Udimet720 (HRC42)

Competitor's silicon nitride SX5

13.86

16

5.91

Insert : RCGX

SX5

SX5

SX5

Page 6: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

76

SiAlON CeramicSX9

■ Excellent notch wear resistance■ Better flank wear resistance compared with competitor's sili-

con nitride ceramics■ Higher toughness compared with whisker reinforced ceram-

ics■ Best thermal shock resistance■ Use SX9 in rough and semi-finish turning or milling of high temperature alloys

SX9 Features

Composition & Properties

SX9 is also a tough SiAlON grade for high speed machining of hightemperature alloys. SX9 has better wear resistance and better thermalshock resistance than SX5. Use SX9 where both notch wear resistanceand flank wear resistance are needed. SX9 performs well in rough andsemi-finish machining, or in applications where both toughness andthermal shock resistance are needed such as milling. SX9 does nothave the same flank wear resistance as whisker reinforced ceramic athigh cutting speed. SX9 offers a major advantage to the user when feed rates are increased to reduce flank wear.The benefit is reduced cycle time resulting in increased productivity and profitability.

1500

1200

900

600

300

0Light Interrupted InterruptedContinuous

Cut

ting

Spe

ed(

SF

M)

ZM3,QM3

SX5

SX9WA1

Rough turning of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's whisker ceramic SX9

RNG45

600 SFM

.005 IPR

.0100 inch

WET

3 passes/edge

.008 IPR

3 passes/edge

SX9 showed better wear resistance by increasing the feed compared withthe competitor's whisker reinforced ceramic.

Part

Material

Aircraft parts

Inco718 scale

Profiling of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's whisker ceramic SX9

RCGX45

800 SFM

.003 IPR

.006 – .008 inch

WET

1 pass/edge

.008 IPR

3 passes/edge

SX9 showed better wear resistance and 3 times better tool life by increas-ing the feed compared with whisker reinforced ceramic.

Part

Material

Aircraft parts

Inco718 (HRC25)

Milling of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's silicon nitride SX9

RNG45

3000 SFM

.003 inch/tooth

.050 inch

DRY

1 face/edge

.006 inch/tooth

1 face/edge

SX9 offered twice higher productivity by its excellent toughness and ther-mal shock resistance compared with the competitor's silicon nitride.

Part

Material

Aircraft parts

Inco718 scale

Recommended applications

Grade Cutting speed (SFM) Feed rate (IPR) Depth of cut (INCH)

Rough scaleRough & semi-finish

ProfilingMilling

450 – 900

450 – 1200

600 – 1200

2500 – 3500

.008 – .016

.004 – .020

.006 – .016

.003 - .006"/tooth

.040 – .120

.020 – .080

.020 – .100

Recommended work materials

■ High temperature alloys (Nickel based alloys, Cobalt based alloys, Titanium alloys etc.)■ Stellite■ Hardened stainless

Rough scale

Profiling

Rough & semi-finish

Milling

Note: SX9 works well where notch wear resistance, toughness and thermal shock resistance are needed.

Competitor's whisker ceramic SX9

5.805"

3.983"

C/L

VANES

1 pass

Competitor's whisker ceramic

3 passes

SX9

2"cutter with 3teeth

Competitor's Silicon nitride SX9

6.35" Dia 3.80"

SX9

SX9

Page 7: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

98

PVD Coated Micro-Grain CarbidesZM3/QM3

QM3

Composition & Properties

ZM3 Features

ZM3 and QM3 are PVD coated micro-grain carbide grades for finish machining of high temperature alloys.The substrate, micro-grain carbide has been developed by reducing the size of WC hard grains to about (1)miro-meter. This process adds more toughness and hardness than conventional carbides, and results in sharpercutting egdes. In comparison with the conventional type micro-grain carbide, ZM3 & QM3 show excellentwear resistance, toughness and anticracking properties at high cutting temperatures. ZM3 and QM3 PVDcoating on this micro-grain carbide offers improved wear resistance and deposition (build up edge) resistance.

Recommended applications

Grade Cutting speed (SFM) Feed rate (IPR) Depth of cut (INCH)

ZM3 130 – 300

150 – 330.004 – .012 .020 – .080

■ PVD (TiN) coated micro-grain carbide■ Superior deposition resistance■ Outstanding versatility: covers variety of cutting conditions

QM3 Features

■ PVD (TiCN) coated micro-grain carbide■ Excellent wear resistance and thermal shock resistance■ Tougher sharp edge for interrupted cuts

Recommended work materials

■ High temperature alloys (Nickel based alloys, Cobalt based alloys, Titanium alloys etc.)■ Stellite■ Stainless

ZP breaker

U2 breaker

0 .040

.004

.008

.012

.016

.080 .120 .160 .200

ZP breaker

U2 breaker

Depth of cut (INCH)

Fee

d ra

te (

IPR

)

蘆Chip Control

1500

1200

900

600

300

0Light Interrupted InterruptedContinuous

Cut

ting

Spe

ed(

SF

M)

ZM3,QM3

SX5

SX9WA1

Finish

Finish turning of Stainless

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's carbide QM3

CNMG432

300 SFM

.008 IPR

.005 – 0.10 inch

WET

1 part/edge

CNMG432Z5

2 parts/edge

The competitor's carbide was chipping after 1 part. QM3, which hasexcellent wear resistance and thermal shock resistance, showed twice bettertool life.

Part

Material

Aircraft parts

410 stainless

Finish turning of Titanium

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's carbide ZM3

CNMG431

150 SFM

.008 IPR

.060 inch

WET

20 pcs/edge

CNGG431FNZP

45 pcs/edge

The competitor's carbide caused poor surface finish due to too muchadhesion on the cutting edge. ZM3 prevented adhesion because of itssuperior adhesion resistance coating and ZP chipbreaker, which is sharperthan most competitors'. ZM3 showed twice better tool life compared withthe competitor's carbide.

Part

Material

Aircraft parts

Titanium

6"

25"

24" ①

Finish turning of Inco718

Insert Material

Shape

Cutting Speed

Feed Rate

D.O.C.

Coolant

Tool Life

Competitor's carbide QM3

DNMG431

240 SFM

.004 IPR

.040 inch

WET

10 min

DNMG431G

15 min

QM3 showed better tool life compared with the competitor's carbide.QM3 offered better chip control with its G chipbreaker.

Part

Material

Aircraft parts

Inco718

QM3

ZM3/

QM

3

ZM3/

QM

3

Page 8: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

1110

Applications Grade Dry Wet Cutting speed (SFM) A Feed (IPR) Depth (INCH)

Rough

WA1

SX5

SX9

Semi-finishWA1

SX9

Finish

WA1

ZM3

QM3

○ ●

GroovingWA1

SX5

150 300 600 900 1200 1500 .004 .008 .012 .016 .020 .024 .020 .040 .080 .120 .160

1500

1200

900

600

300

0Light Interrupted InterruptedContinuous

Cut

ting

Spe

ed(

SF

M)

ZM3,QM3

SX5

SX9WA1

Grade Selection

Applications Grade Dry WetCutting speed (SFM) Feed (inch/tooth) Depth (INCH)

MillingSX5

SX9

1500 2000 2500 3000 3500 4000 .002 .003 .004 .005 .006 .007 .020 .040 .060 .080 .100

Recommended Grades for High Temperature Alloys

Rough Turning ScaleRough no scale &

semi FinishGrooving Milling

Work MaterialRating

B 1st 2nd 1st 2nd 1st 2nd 1st 2nd

Airesist

Astrology

Hastelloy C

Inco625

Inco713

Inco718

Inco738

Inco909

Inco925

Mar M247

Udimet720

Waspaloy

1.6 0.8 1.8 0.8 1.0 1.0 1.2 1.5 1.0 1.0 0.8 0.8

SX9

SX5

SX9

SX9

SX9

SX5

SX9

SX9

SX5

SX9

SX9

SX5

SX5

SX9

SX5

SX5

SX5

SX9

SX5

SX5

SX9

SX5

SX5

SX9

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

WA1

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX9

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

SX5

Machinability rating and recommended insert grades for machining various High temperature alloys are shown in Table1.

Table1

Table2

How To Find Recommended Insert Grade

Find recommended insert grade from above Table 1 in consideration of your work material & application.Contact your local NTK representative, if more information is needed.

How To Find Recommended Cutting Speed

1) Find cutting speeds "A" shown in "Grade Selection" on page 10.2) Find machinability rating "B" of your work material from above Table 1.3) Find machinability rating "C" of your work hardness from Table 2 below.

Recommendation for Hardness

Recommended Cutting Speed

HRC (Hardness) < 30 30 35 40 45

C 1.3 1.15 1 0.85 0.7

A B C Cutting Speed (SFM)× × =Recommended

●:1st choice, ○:2nd choice

Note: Based on using RNG45 insert cutting Inco718

Gra

de S

electi

on

Gra

de S

electi

on

Page 9: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

12

Theoretical Strength Comparison

Theoretical Strength Comparison

The following information helps to find feed & depth of cut.

Insert Shapes

a) ShapeR

C

100°

S

90°

C80°

T

60°

D55°

V35°

RNG

CNG-100˚

SNG

CNG-80˚

TNG

DNG

VNG

100

60

55

50

40

30

20

Strength(%)

Insert Clearances

d) Symbol Clearance

NN

C

P

D

E

11˚

15˚

20˚

100

75

60

45

35

C

11°

P

15°

D

E

20°

Strength(%)

Inscribed Circle In RNG's

b) Shape I.C.

RNG3

RNG4

RNG5

RNG6

3/8"

1/2"

5/8"

3/4"

90

100

110

120

Strength(%)

Insert Thickness

c) Thickness

1/8"

3/16"

1/4"

5/16"

3/8"

40

60

80

100

120

Strength(%)

Note: Feed .008IPR, DOC: .080"

Note: Feed .008IPR, DOC: .080", Insert Thickness: 5/16" Note: Feed .008IPR, DOC: .080", Nose radius:3/64"

Lead Angles

e) Lead Angle

15° 280

155

120

105

100

15˚

30˚

45˚

60˚

75˚

30°

45°

60°

75°

Strength(%)

Insert Identification System

Theo

retic

al S

treng

thCo

mpa

rison

Page 10: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

1514

Insert Identification System

b

inch metric a (inch) r (inch)

T

E

S

Z

02

04

06

08

01

02

04

06

04

06

005

010

015

020

002

004

010

015

010

015

.002

.004

.006

.008

-

-

.004

.006

.004

.006

-

-

-

-

.001

.002

.002

.002

.001

.001

ar

R

S TC

D K

φd

m m

φd s

1 Shape

C 80°

D 55°

E 75°

L

P

R

S

T

V 35°

W 80°

3 Tolerance Class

Symbol d (inch) m (inch) s (inch)

M tolerance

M tolerance

Inscribed Circle

Inscribed Circle

d (inch)

d (inch)

1/4"

3/8"

1/2"

5/8"

3/4"

1"

±.002

±.002

±.003

±.004

±.004

±.005

m (inch)

m (inch)

±.003

±.003

±.005

±.006

±.006

±.007

A

F

C

H

E

G

J

K

L

M

N

U

±.0010

±.0050

±.0010

±.0050

±.0010

±.0010

±.0020

±.002~±.005

±.002~±.005

±.002~±.005

±.002~±.005

±.003~±.010

±.0002

±.0002

±.0005

±.0005

±.0010

±.0010

±.0020

±.0005

±.0010

±.003~±.007

±.003~±.007

±.005~±.015

±.0010

±.0010

±.0010

±.0010

±.0010

±.0050

±.0050

±.0010

±.0010

±.0050

±.0010

±.0050

7 Nose RadiusCorner Radius Inch Metric

1/64"

1/32"

3/64"

1/16"

5/64"

3/32"

1/8"

1

2

3

4

5

6

8

04

08

12

16

20

24

32

2 Clearances 4 Type

11°

15°

20°

N

B

C

P

D

E

Type

Special design

Symbol

N

F

R

A

G

M

X

Type

70°-90°

70°-90°

40°-60°

40°-60°

Symbol

H

B

T

W

6 Thickness

ThicknessS(inch)

1/8"

3/16"

1/4"

5/16"

3/8"

1/2"

Inch Metric

03

04

06

07

09

12

2

3

4

5

6

8

8 Edge Condition

Sharp F

Chamfered T

Honed E

Chamferedand Honed

S

Z

SInch N G A 4 3 3 T 04 201 2 3 4 5 6 7 8 9 10

SMetric N G A 12 04 12 T 010 20

1/4"

3/8"

1/2"

5/8"

3/4"

±.002

±.002

±.003

±.004

±.004

±.004

±.004

±.006

±.006

±.007

9 Negative land width 10 Negative land angle

Description b˚

15

20

25

30

15˚

20˚

25˚

30˚

C D R S T V W

InscribedCircle(inch)

1/4"

3/8"

1/2"

5/8"

3/4"

1"

Inch

Metric

06

09

12

16

19

25

07

11

15

19

23

31

06

09

12

15

19

25

11

16

22

27

33

44

11

16

22

27

33

44

04

06

08

10

13

17

2

3

4

5

6

8

5 Cutting Edge Length

Inse

rt Id

entif

icat

ion

Syste

m

Inse

rt Id

entif

icat

ion

Syste

m

Page 11: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

16

Insert Stock List

Page 12: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

19

3/8

1/2

5/8

3/4

1

1/43/8

1/2

3/41/4

3/8

1/2

1/2

5/8

3/4

1/8

3/16

5/16

1/4

5/16

3/83/321/8

3/16

5/163/16

5/16

3/16

5/16

1/4

5/16

1/32

3/64

1/16

1/323/64

1/16

3/64

1/16

3/32

○●●●●●●●○●●○○○●●○●●●○●●●●●●●●●●●●●●●●○●

●○●

●○○●●○●●○●○●○●○●○●○○●●○○○●●●○●

●●●●●○○○○●○●●●●●●●●○○○○○○○●●○○

○●○○●●○●●●○●●●

○●●●●●○●○●○○○○

NTK Part NumberShape

Dimensions

Metric Inch IC T RWA1 SX5 SX9

RCGX060400T00520RCGX060700T00520RCGX090700E004RCGX090700T00520RCGX090700T01020RCGX120700E004RCGX120700T00520RCGX120700T01020RCGX120700Z01520RNGN090300T00520RNGN120400T00520RNGN120400T01020RNGN120700E002RNGN120700T00520RNGN120700T01020RNGN120700Z01520RNGN150700T00520RNGN190600T00520RNGN190700T00520RNGN190700T01020RNGN250700T00520RNGN250700S15015RNGN250900T00520

RCGX23T0220RCGX25T0220RCGX35E02RCGX35T0220RCGX35T0420RCGX45E02RCGX45T0220RCGX45T0420RCGX45Z0620RNG32T0220RNG43T0220RNG43T0420RNG45E01RNG45T0220RNG45T0420RNG45Z0620RNG55T0220RNG64T0220RNG65T0220RNG65T0420RNG85T0220RNG85S6015RNG86T0220

RPGN060200T00520RPGN090300T00520RPGN120400E002RPGN120400T00520RPGN120400T01020RPGN120400Z01520RPGN190700T00520

RPG21.5T0220RPG32T0220RPG43E01RPG43T0220RPG43T0420RPG43Z0620RPG65T0220

RPGX060400T00520RPGX090700E004RPGX090700T00520RPGX120700E004RPGX120700T00520RPGX120700T01020

RPGX23T0220RPGX35E02RPGX35T0220RPGX45E02RPGX45T0220RPGX45T0420

SNGN120408T00520SNGN120408T01020SNGN120412T00520SNGN120412T01020SNGN120416T00520SNGN120416T01020SNGN120708T00520SNGN120712T00520SNGN120716T00520SNGN120716Z01520SNGN150712T02020SNGN150716T02020SNGN190616T00320SNGN190616T00520SNGN190616T01020SNGN190616Z01520SNGN190724T00320

SNG432T0220SNG432T0420SNG433T0220SNG433T0420SNG434T0220SNG434T0420SNG452T0220SNG453T0220SNG454T0220SNG454Z0620SNG553T0820SNG554T0820SNG644T0120SNG644T0220SNG644T0420SNG644Z0620SNG656T0120

1/4

3/8

1/2

3/16

5/16 —

●●●●●●●●●

●●○●○○●○○

○○○●●○●●○

18

Insert Stock List

CNGN120408T00520CNGN120408T01020CNGN120412T00520CNGN120412T01020CNGN120416T00520CNGN120708T00520CNGN120712T00520CNGN120716T00520CNGN160712T00520CNGN160716T00520CNGN190624T00520CNGN190724T00520

CNGX120708T00520

CNGX120712T00520

CNGX120712T01020

CNGX120716T01020

CNG432T0220CNG432T0420CNG433T0220CNG433T0420CNG434T0220CNG452T0220CNG453T0220CNG454T0220CNG553T0220CNG554T0220CNG646T0220CNG656T0220

CNGX452T0220

CNGX453T0220

CNGX453T0420

CNGX454T0420

1/2

5/8

6/8

1/2

5/8

3/8

1/2

1/2

5/8

1/2

3/16

5/16

1/45/16

3/16

1/4

5/16

3/16

5/16

1/4

3/16

1/32

3/64

1/161/323/641/163/643/32

3/32

1/32

3/64

1/16

3/641/16

3/64

1/161/32

3/64

1/16

1/32

3/64

1/16

1/32

3/64

1/32

3/64

1/16

3/32

●●●●●●●●○○●○

CNGA120408T00520CNGA120408T01020CNGA120412T00520CNGA120412T01020CNGA120416T00520CNGA120416T01020CNGA160612T00520CNGA160616T00520CNGA190612T00520CNGA190612T01020CNGA190616T00520

CNGA432T0220CNGA432T0420CNGA433T0220CNGA433T0420CNGA434T0220CNGA434T0420CNGA543T0220CNGA544T0220CNGA643T0220CNGA643T0420CNGA644T0220

●●●●●●●●●●●

●○●○●○●●●○●

●○●●○○○○○○○

●○●○●○●○○○○●

●○●●○○○○○○○○

●●●●

DNGN150408T00520DNGN150408T01020DNGN150412T00520DNGN150412T01020DNGN150416T00520DNGN150416T01020DNGN150708T00520DNGN150708T02020DNGN150712T00520DNGN150712T02020DNGN190612T00520DNGA150408T00520DNGA150408T01020DNGA150412T00520DNGA150412T01020DNGA150416T00520DNGA150416T01020DNGA150424T00520DNGA150424T01020

DNG432T0220DNG432T0420DNG433T0220DNG433T0420DNG434T0220DNG434T0420DNG452T0220DNG452T0820DNG453T0220DNG453T0820DNG543T0220DNGA432T0220DNGA432T0420DNGA433T0220DNGA433T0420DNGA434T0220DNGA434T0420DNGA436T0220DNGA436T0420

●●●●●●○○○○○●●●●●●●●

○○○○○○○○○○○●○●○○○○○

○○○○○○○○○○○○○●○○○○○

NTK Part NumberShape

Dimensions

Metric Inch IC T RWA1 SX5 SX9

Standard Stock Item

●:Stock ○:Available ●:Stock ○:Available

Inse

rt St

ock

List

Inse

rt St

ock

List

Page 13: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

21

VDB250B031VDB250B062VDB312B031VDB312B062VDB375B031VDB375B046VDB375B062

VDB250RB

VGK82502VGK83122VGK83124VGK83752VGK83754

VGK8312R

VGW41251VGW41252VGW41561VGW41562VGW41871VGW41872VGW62501VGW62501T00520VGW62501T01020VGW62501Z00520VGW62501Z01020VGW62502VGW62503VGW62814VGW83122VGW83124VGW83752VGW83754VGW83754T00520VGW4125RVGW4156RVGW4187RVGW6218RVGW6250RVGW6281RVGW8312RVGW8344RVGW8375R

VDB250B031VDB250B062VDB312B031VDB312B062VDB375B031VDB375B046VDB375B062

VDB250RB

VGK82502VGK83122VGK83124VGK83752VGK83754

VGK8312R

VGW41251VGW41252VGW41561VGW41562VGW41871VGW41872VGW62501VGW62501T0220VGW62501T0420VGW62501Z0220VGW62501Z0420VGW62502VGW62503VGW62814VGW83122VGW83124VGW83752VGW83754VGW83754T0220VGW4125RVGW4156RVGW4187RVGW6218RVGW6250RVGW6281RVGW8312RVGW8344RVGW8375R

.250

.312

.375

.250

.250

.312

.312

.375

.375

.312

.125

.156

.187

.250

.312

.375

.125

.156

.187

.218

.250

.281

.312

.344

.375

.031

.062

.031

.062

.031

.046

.062

.125

.031

.031

.062

.031

.062

.156

.015

.031

.015

.031

.015

.031

.015

.015

.015

.015

.015

.031

.046

.062

.031

.062

.031

.062

.063

.078

.094

.109

.125

.141

.156

.172

.188

.337

.337

.328

.328

.187

.250

.337

.187

.250

.337

1.125

1.000

1.000

.500

.750

1.000

.500

.750

1.000

1.125

●○●●●○●

○○○○○

●●●●●●●●●●●●●●●●●●●●●●●●●●●●

●○●●●○●

●●●●●

○○○○●●○○○○○●●○○●●●○○○●○●○●○●

●●○○○●●

○○○○○

○○○○○○○○○○○○○○○○○○○○○○○○○○○○

NTK Part NumberShape

Dimensions (inch)

Metric Inch RW T LWA1 SX5 SX9

Standard Edge Preparation for WA1 is EX0001 which means .002" or less honing only.Standard Edge Preparation for SX5 & SX9 are T0220 chamfer only.Standard Edge Preparations are not listed in this grooving inserts.

●:Stock ○:Available

20

Standard Stock Item

TNGN160404T01020TNGN160408T01020TNGN160412T01020TNGN220408T00520TNGN220408T01020TNGN220412T00520TNGN220416T00520TNGN220708T00520TNGN220712T00520TNGN220716T00520TNGN270616T00320TNGN270616T00520

TNG331T0420TNG332T0420TNG333T0420TNG432T0220TNG432T0420TNG433T0220TNG434T0220TNG452T0220TNG453T0220TNG454T0220TNG544T0120TNG544T0220

3/8

1/2

5/8

1/2

3/8

1/2

3/8

1/2

1/2

3/16

3/16

3/16

3/16

5/16

1/4

3/16

1/8

3/16

1/641/323/643/321/323/641/16

1/641/323/64

1/32

3/641/161/323/64

1/16

1/32

1/323/641/323/641/16

○●●●●●●○●●

○○○●○●●●●○●○

○○○●●○○○○○○○

TNGA220408T00520 TNGA432T0220 ● ○ ○

TPGN160308T00520TPGN160312T00520TPGN220408T00520TPGN220412T00520TPGN220416T00520VNGA160404T00520VNGA160408T00520VNGA160412T00520VNGA220424T01020WNGA080408T00520WNGA080412T00520WNGA080416T01020

TPG322T0220TPG323T0220TPG432T0220TPG433T0220TPG434T0220

●●○○○

●●●●●

○○○○○

VNGA331T0220VNGA332T0220VNGA333T0220VNGA436T0420WNGA432T0220WNGA433T0220WNGA434T0420

○●●●●●○

●●○○●●○

○○○○●●●

NTK Part NumberShape

Dimensions (inch)

Metric Inch IC T RWA1 SX5 SX9

1/2

5/8

3/16

1/4

1/32●●●●●○○

○○○○●●●

○○●●○○○

3/64

1/16

SNGA120408T00520SNGA120408T01020SNGA120412T00520SNGA120412T01020SNGA150612T00520SNGA150616T00520SNGA150616T02020

SNGA432T0220SNGA432T0420SNGA433T0220SNGA433T0420SNGA543T0220SNGA544T0220SNGA544T0820

●:Stock ○:Available

Insert Stock List

Inse

rt St

ock

List

Inse

rt St

ock

List

Page 14: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

Toolholders

22

Standard Stock Item

NTK Part numberShape

IC

Dimensions (inch)

T RZM3 QM3

Metric

CNGG120404FNZP

CNGG120408FNZP

CNMG120408TNBZ5

DNGG150404FNZPDNGG150408FNZP

DNMG150404TNG

DNMG150408TNBZ5

SNMG120408TNBZ5

TNGG160402FRC

TNGG160401FRDA

TNGG160401FRU2TNGG160402FRU2TNGG160404FRU2TNGG160408FRU2TNGG160402FLU2TNGG160404FLU2TNGG160408FLU2TNGG160402FNZPTNGG160404FNZPTNGG160408FNZPTNMG160404TNBZ5TNMG160408TNBZ5VNGG160402FNZPVNGG160404FNZPVNGG160408FNZPVNMG160404TNBAM1VNMG160408TNBAM1WNGG080404FNZPWNGG080408FNZPWNMG080408TNBZ5WNMG080412TNBZ5

CNGG431FNZP

CNGG432FNZP

CNMG432Z5

DNGG431FNZPDNGG432FNZP

DNMG431G

DNMG431Z5

SNMG432Z5

TNGG3308FRC

TNGG3304FRDA

TNGG3304FRU2TNGG3308FRU2TNGG331FRU2TNGG332FRU2TNGG3308FLU2TNGG331FLU2TNGG332FLU2TNGG3308FNZPTNGG331FNZPTNGG332FNZPTNMG331Z5TNMG332Z5VNGG3308FNZPVNGG331FNZPVNGG332FNZPVNMG331AM1VNMG332AM1WNGG431FNZPWNGG432FNZPWNMG432Z5WNMG433Z5

1/2

3/16

3/8

1/2

Inch

1/64

1/32

1/32

1/641/32

1/64

1/32

1/32

.008

.004

.004

.0081/641/32.0081/641/32.0081/641/321/641/32.0081/641/321/641/321/641/321/323/64

●●

●●●●●●●●●●○○○○○○○●●○○

●●

○○○○○○○●●●●●●●●●●●●●●

●:Stock ○:Available

Insert Stock List

Inse

rt St

ock

List

Page 15: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

25

Clamp

DC6CN

DC6DN

ACN 423

ADN 422AOS-6×30W FSS15-3.0×12

LLR-T20

LLR-T10ASGL6-D

Shim Clamp screw Shim screw Wrench SpringParts

Toolholder

WCLN

WDJN

• Parts

• Inserts

CNGA120408T00520CNGA120408T01020CNGA120412T00520CNGA120412T01020CNGA120416T00520CNGA120416T01020DNGA150408T00520DNGA150408T01020DNGA150412T00520DNGA150412T01020DNGA150416T00520DNGA150416T01020DNGA150424T00520DNGA150424T01020

CNGA432T0220CNGA432T0420CNGA433T0220CNGA433T0420CNGA434T0220CNGA434T0420DNGA432T0220DNGA432T0420DNGA433T0220DNGA433T0420DNGA434T0220DNGA434T0420DNGA436T0220DNGA436T0420

1/2

1/2

3/16

3/16

1/32

3/64

1/16

1/32

3/64

1/16

3/32

●●●●●●●●●●●●●●

●○●○●○●○●○○○○○

●○●○○○○○●○○○○○

NTK Part NumberShape

Dimensions (inch)

Metric Inch IC T RWA1 SX5 SX9

Note: Special shim is needed for insert nose radius 1/16" or larger.

●:Stock ○:Available

24

Toolholders

WCLN

• Holder and Applicable Inserts

Toolholder

Stock

○●○

○●○

Dimensions* (inch)

hR L b l1 h1 f l2

1.001.251.50

1.001.251.50

6.006.008.00

1.001.251.50

1.251.502.00

1.251.251.25

Insert

CNGA1204CNGA43

CNGA1207CNGA45

• Right hand shown.

WCLNR/L16-4DWCLNR/L20-4DWCLNR/L24-4F

*Conform to master insert which has 1/32" corner R.・A holder comes with two shim sheets. An insert 5/16" thick can likewise be mounted by removing one shim sheet.

*Conform to master insert which has 1/32" corner R.・A holder comes with two shim sheets. An insert 5/16" thick can likewise be mounted by removing one shim sheet.

WDJN

• Right hand shown.

• Holder and Applicable Inserts

Toolholder

Stock

○●○

○●○

Dimensions* (inch)

hR L b l1 h1 f l2

1.001.251.50

1.001.251.50

6.006.008.00

1.001.251.50

1.251.502.00

1.501.501.50

Insert

DNGA1504DNGA43

DNGA1507DNGA45

WDJNR/L16-4DWDJNR/L20-4DWDJNR/L24-4F

Tool

hold

ers

Tool

hold

ers

Page 16: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

27

CRGNl1

h1 h

l2

f

6° 6°

b

• Toolholders

• Inserts

• Right hand shown.

ToolholderDimensions (inch)

Shim

IRSN-43

IRSN-53

ShimScrew

S-46

S-58

Clamp

CL-12

ClampScrew

XNS-59

Stock

R L

●●●●

●●●●

Insert

RNG45(RNG43)

RNG55

h

1.001.251.001.25

b

1.001.251.001.25

l1

6.006.006.006.00

l2 f

1.1881.1881.3751.375

1.251.501.251.50

CRGNR/L164CRGNR/L204CRGNR/L165CRGNR/L205

RNGN120400T00520RNGN120400T01020RNGN120700E002RNGN120700T00520RNGN120700T01020RNGN120700Z01520RNGN150700T00520

RNG43T0220RNG43T0420RNG45E01RNG45T0220RNG45T0420RNG45Z0620RNG55T0220

1/2

5/8

3/16

5/16—

●●●●●●●

●○○●●○●

●●●●●○●

NTK Part NumberShape

Dimensions (inch)

Metric Inch IC T RWA1 SX5 SX9

●:Stock ○:Available

Note: If RNG43 is used, a IRSN-45 shim is needed.

RPGX060400T00520RPGX090700E004RPGX090700T00520RPGX120700E004RPGX120700T00520RPGX120700T01020

RPGX23T0220RPGX35E02RPGX35T0220RPGX45E02RPGX45T0220RPGX45T0420

1/43/8

1/2

3/16

5/16 —

●●●●●●

●○●○●○

○○●○●●

NTK Part NumberShape

Dimensions (inch)

Metric Inch IC T RWA1 SX5 SX9

RCGX060400T00520RCGX060700T00520RCGX090700E004RCGX090700T00520RCGX090700T01020RCGX120700E004RCGX120700T00520RCGX120700T01020RCGX120700Z01520

RCGX23T0220RCGX25T0220RCGX35E02RCGX35T0220RCGX35T0420RCGX45E02RCGX45T0220RCGX45T0420RCGX45Z0620

1/4

3/8

1/2

3/16

5/16 —

●●●●●●●●●

●●○●○○●○○

○○○●●○●●○

Inserts

26

VRAON

l1l2

bh

• Toolholders

ToolholderDimensions (inch)

Shim

SM2RV(SM2RVS)

SM3RV

SM4RV

ShimScrew

SC02C-08

SC05C-08

SC05C-10

SC06C-08

SC06C-10

Clamp

CL2RV

CL3RV

CL4RV

ClampScrew

SC40F-16

SC10F-10

SC40F-12

Stock

●●●●●●●●

Insert

RCGX25 RPGX25(RCGX23, RPGX23)

RCGX35RPGX35

RCGX45RPGX45

h

1.001.251.001.251.501.001.251.50

b

1.001.251.001.251.501.001.251.50

l1

6.006.006.006.007.006.006.007.00

l2

1.001.001.251.251.251.501.501.50

VRAON16-2DVRAON20-2DVRAON16-3DVRAON20-3DVRAON24-3EVRAON16-4DVRAON20-4DVRAON24-4E

VRAOR/L

l1

l2

bh

• Toolholders

ToolholderDimensions (inch)

Shim

SM2RV(SM2RVS)

SM3RV

SM4RV

ShimScrew

SC02C-08

SC05C-08

SC05C-10

SC06C-08

SC06C-10

Clamp

CL2RVRL

CL3RV

CL4RV

ClampScrew

SC40F-16

SC10F-10

SC40F-12

Stock

R L

●●●●●●●●

●●●●●●●●

Insert

RCGX25 RPGX25(RCGX23 RPGX23)

RCGX35RPGX35

RCGX45RPGX45

h

1.001.251.001.251.501.001.251.50

b

1.001.251.001.251.501.001.251.50

l1

6.006.006.006.007.006.006.007.00

l2

1.001.001.251.251.251.501.501.50

VRAOR/L16-2DVRAOR/L20-2DVRAOR/L16-3DVRAOR/L20-3DVRAOR/L24-3EVRAOR/L16-4DVRAOR/L20-4DVRAOR/L24-4E●:Stock

• Right hand shown.

Toolholders

Tool

hold

ers

Tool

hold

ers

Page 17: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

28

Grooving Tools

Page 18: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

31

DB Facing, Curve In

CL

CL

LI H

W

RIGHT HAND

LEFT HAND• Right hand shown.

• Shank

Shank

DB7-1-7-16RDB7-1-7-20RDB7-1-7-16LDB7-1-7-20L

Dimensions (inch)Stock

○○○○

AnvilScrew

DAS41

StockClampScrew

Stock

● SC40F10 ●

H W L Iinch inch inch inch1.001.251.001.25

1.001.251.001.25

6.007.006.007.00

.750

(Shanks come complete with screws - order anvil and clamp separately)

●:Stock ○:Available

• Anvil

Right hand

Left hand

Insert

VDB250VDB312VDB375VDB250VDB312VDB375

3" - 4 - 1/2"O.D. range

4 - 1/2" - 7" 7" - 14" 14" and overDBA-4307DBA-4309DBA-4311DBA-8307DBA-8309DBA-8311

○○○○○○

DBA-4407DBA-4309DBA-4311DBA-8407DBA-8309DBA-8311

○○○○○○

DBA-4507DBA-4509DBA-4511DBA-8507DBA-8509DBA-8511

○○○○○○

DBA-4607DBA-4509DBA-4511DBA-8607DBA-8509DBA-8511

○○○○○○

• Clamp

Right handLeft hand

VDB250Insert Number

VDB312 VDB375CR1-1-E07ACL1-1-E07A

○○

CR1-1-E09ACL1-1-E09A

○○

CR1-1-E11ACL1-1-E11A

○○

30

DB

Ll

WH

• Right hand shown.

• Shank

Shank

DB1-1-16RDB1-1-16LDB1-1-20RDB1-1-20L

Dimensions (inch)AnvilScrew

DAS41

ClampScrew

SC40F10

Stock Stock Stock

●●●●

● ●

H W L Iinch inch inch inch

1.00 1.00

1.25 1.25

6.00

7.00.750

• Anvil and ClampShank Size

1.00" SQ

1.25" SQ

Insert

VDB250VDB312VDB375VDB250VDB312VDB375

AnvilRight Hand

Clamp AnvilLeft Hand

ClampR1E07R1E09R1E11R2E07R2E09R2E11

●●●●●●

CR1-1-E07CR1-1-E09CR1-1-E11CR1-1-E07CR1-1-E09CR1-1-E11

●●●●●●

L1E07L1E09L1E11L2E07L2E09L2E11

●●●●●●

CL1-1-E07CL1-1-E09CL1-1-E11CL1-1-E07CL1-1-E09CL1-1-E11

●●●●●●

(Shanks come complete with screws - order anvil and clamp separately)

●:Stock ○:Available

Grooving Tools

Gro

ovin

g To

ols

Gro

ovin

g To

ols

Page 19: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

33

Inserts

VDB250B031VDB250B062VDB312B031VDB312B062VDB375B031VDB375B046VDB375B062

VDB250RB

VDB250B031VDB250B062VDB312B031VDB312B062VDB375B031VDB375B046VDB375B062

VDB250RB

.250

.312

.375

.250

.031

.062

.031

.062

.031

.046

.062

.125

.337

.337 1.125

1.125

●○●●●○●

●○●●●○●

●●○○○●●

NTK Part NumberShape

Dimensions (inch)

Metric Inch RW T LWA1 SX5 SX9

32

DB Facing, Curve Out

CL

CL

LI H

W

RIGHT HAND

LEFT HAND• Right hand shown.

• Shank

Shank

DB7-1-7-16RDB7-1-7-20RDB7-1-7-16LDB7-1-7-20L

Dimensions (inch)Stock

○○○○

AnvilScrew

DAS41

StockClampScrew

Stock

● SC40F10 ●

H W L Iinch inch inch inch1.001.251.001.25

1.001.251.001.25

6.007.006.007.00

.750

(Shanks come complete with screws - order anvil and clamp separately)

●:Stock ○:Available

●:Stock ○:Available

• Anvil

Right hand

Left hand

Insert

VDB250VDB312VDB375VDB250VDB312VDB375

3" - 4 - 1/2"O.D. range

4 - 1/2" - 7" 7" - 14" 14" and overDBA-3307DBA-3309DBA-3311DBA-7307DBA-7309DBA-7311

○○○○○○

DBA-3407DBA-3309DBA-3311DBA-7407DBA-7309DBA-7311

○○○○○○

DBA-3507DBA-3509DBA-3511DBA-7507DBA-7509DBA-7511

○○○○○○

DBA-3607DBA-3509DBA-3511DBA-7607DBA-7509DBA-7511

○○○○○○

• Clamp

Right handLeft hand

VDB250Insert Number

VDB312 VDB375CR1-1-E07ACL1-1-E07A

○○

CR1-1-E09ACL1-1-E09A

○○

CR1-1-E11ACL1-1-E11A

○○

Grooving Tools

Gro

ovin

g To

ols

Gro

ovin

g To

ols

Standard Edge Preparation for WA1 is EX0001 which means .002" or less honing only.Standard Edge Preparation for SX5 & SX9 are T0220 chamfer only.Standard Edge Preparations are not listed in this grooving inserts.

Page 20: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

34

Milling Cutters

Page 21: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

3736

Milling Cutters

Mill

ing

Cut

ters

Mill

ing

Cut

ters

HeightL

BoreφD2

KeywayW L1

RNIW200S075R03RNIW250S075R04RNIW300S100R05RPIW125E125R03RPIW150E150R03RPIW200S075R04RPIW300S100R05

Cutter

CutterEffective

Cutting Dia.φD1

No. ofInserts

ShankDiameterφD2

OverallLength

L

HeadLength

L2Insert

RPG431.250

1.5003

1.250

1.5004.000

1.640

1.830

RPIW125E125R03

RPIW150E150R03

Cutter

CutterEffective

Cutting Dia.φD1

No. ofInserts Height

L

DimensionsBoreφD2

KeywayW L1

Insert

EffectiveCutting Dia.φD1

No. ofInserts

DimensionsInsert

RNG45

2.000

2.500

3.000

3

4

5

2.000.750

1.000

.322

.387

.748

RNIW200S075R03

RNIW250S075R04

RNIW300S100R05

RPIW200S075R04

RPIW300S100R05

2.000

3.000

4

52.000

.750

1.000

.322

.387.748 RPG43

蘆Spare Parts

AMS-6T

AMS-5T

Clamp

AOB-6S-T30

AOB-5S-T25

Clamp screw

LLR-T30

LLR-T25

Torx wrench

ARP42A

Shim

M3×8

Shim screw

RNG45E01RNG45T0220RNG45T0420RNG45Z0620RPG43T0220RPG43T0420RPG43Z0620

1/2

1/25/16

3/16

●●●●●●●

○●●○●●○

●●●○●●○

NTK Part NumberShapeDimensions (inch)

IC T RWA1 SX5 SX9

●:Stock

蘆Inserts

AHM with round type inserts makes high speed milling of high temperature alloys and hardened steels possible

■ High Temperature Alloys■ Hardened Steels

Recommended work materials

ccel igh speed illccel igh speed ill

L

L2

φD

2

φD

1

L

φD1

φD2W

L1

L

φD1

L1

φD2

W

Page 22: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

38 39

Page 23: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

40

Application

Page 24: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

4342

Application

Application Range For Nickel Based Alloys

IPR.004 .008 .012 .016 .020 .024

(Fig,1)

SFM

2300

1800

1300

800

500

WA1 provides superior reliability in both roughing and semi-finishing of nickel based alloys.WA1 is first recomended ceramics for nickel based alloys.①

IPR.004 .008 .012 .016 .020 .024

(Fig,2)

SFM

2300

1800

1300

800

500

SX5 and SX9 do not have the same flank wear resistance as WA1 at high cutting speeds.SX5 and SX9 do have the best toughness and notch wear resistance at high cutting speeds.In order to increase the wear resistance of both SX5 & SX9, the feed must be increased.Increasing the feed utilizes the toughness of SX5 & SX9 gives the user a major advantage of decreasing cycle time.

② ①

Important Choices For Successful Use Of Ceramics

80˚ 55˚ 35˚60˚

100˚

STRENGTH INCREASES

(Fig.3)

Work material : Inco718 no scale Insert : RNG45Depth of cut : .040 inch Coolant : WET

1)Use strong insert shapes.Maximize geometry for strength and productivity.

2)Use largest insert nose radius.Maximize insert nose radius for strength and longer tool life.

Take into account that the larger the nose radius the greater the tool pressure.

Typical application machining nickel-based alloys use RNG45 insert for roughing and CNGA432 for finishing.

3)Minimize overhang.Too much tool overhang may cause chatter or insert breakage.

The stronger the set-up the more stable the process. Use tooling designed for ceramic applications.

4)Pre-chamfer parts.Pre-chamferring the part reduces the potential for insert chipping or breaking upon the entry or exit point of work

material.

5)No dwelling.Inserts wear out when rubbing the part instead of cutting.

6)Coolant.When turning with WA1, SX5, SX9, ZM3 & QM3 a flood coolant condition should be used.

In some cases where a high interruption is encountered it may be best to cut-off the coolant. No coolant should

be used while milling with SX5 & SX9.

7)Edge preparations.Typical cutting tool applications machining nickel-based alloys require the insert cutting edge to be sharp. Using

slight T-land is also effective to reducing notching.

WA1 Recommended Area

SX5 & SX9 Recommended Area

App

licat

ion

App

licat

ion

Page 25: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

4544

How To Reduce Notch Wear

Notching is the main failure when machining nickel based alloys. Notching can be reduced by using proper insertgrade, insert shape and re-programing. The following information should help to minimize this problem.

C) Effect of depth of cutPrime consideration should be given to theeffect of depth of cut upon insert tool life.There is a direct relationship between the insertradius size and the maximum depth of cutwhich should be taken. See the chart below forrecommendations.

(Fig.4)

ROUND INSERT MAXIMUM D. OF C. *INSERT RADIUS MAXIMUM D. OF C.

1/4"3/8"1/2"1"

*OPTIMUM D. OF C. IS 5-15% OF THE INSERT DIAMETER *BASED ON 0º LEAD ANGLE

.060"...Less

.090"...Less

.125"...Less

.250"...Less

1/32"3/64"1/16"3/32"

.008"...Less

.012"...Less

.016"...Less

.024"...Less

•Recommended Depth of Cut Range

Notch wear on the insert cutting edge as shown in (Fig. 6) is the result of multiple passes being taken at the samedepth of cut. This type of wear will minimize tool life.The following programming examples will help to minimize this mode of failure.

Programming "ramping" cuts in the same cutting direction is one of the best procedures to use to minimizenotching. By varying the DOC, wear is distributed over the entire cutting edge not on one point.

Another programming change that may help to reduce notching is by varying the depth of cut . Again, the sameprinciple applies,notching takes place at various points on the cutting edge rather than concentrated at one pointas (Fig.6)

feed

(Fig.6)

feed

(Fig.7)

feed

(Fig.8)

A) Increase cutting speeds for WA1When the cutting speeds are increased less notch wear is noticeable.

D) Effect of lead anglesWhen cutting nickel based alloys considerationshould be given to using the largest lead anglepossible. When using large lead angles, the cuttingforces are spread over a larger surface area of theinsert. This will also improve tool life and surfacefinish while reducing notching. As the lead angleincreases the chip will flow more easily.

Typical insert wear pattern showing the effect ofvarious lead angle changes and the resultingincrease of depth of cut notching.

E) Effect of Ramping

B) Increase feed rates for SX5 and SX9Increasing the feed with utilizing the superior toughness of both SX5 & SX9 is effective inreducing notching.

1800 SFM

.008 IPR

Shown in Fig.1 ① on page 42

Shown in Fig.2 ① on page 42

500 SFM

.016IPR

Shown in Fig.1 ② on page 42

Shown in Fig.2 ② on page 42

-5

-5

00

15

15

45

45

(Fig.5)

Application

App

licat

ion

App

licat

ion

Page 26: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

4746

feed

(B)(A) (B)(A)

(Fig.9)

ENLARGEMENT(A) ENLARGEMENT(B)

When machining a grooved area with multiple passesduring the last remaining plunge the insert radiusengages a potentially work hardened area. This pro-gramming procedure sets up the potential of cornerradius chipping (Ref. A) or notching. The proceduredescribed below (Fig.10) would be a better program-ming alternative.

feed

α

1st PROGRAM 2nd PROGRAM

feed

α

Picture 1 Picture 2

Picture 3

(Fig.11)

(Fig.12)

If this procedure is not used, notching willresult as shown in (Pic. 3) or breaking asshown in (Pic. 2). By using this programingmethod notching is minimized as shown in(Pic. 1).

α

feed

(D)(C) (D)(C)

(Fig.10)

ENLARGEMENT(C) ENLARGEMENT(D)

Another option in removing a pocket of materialwould be shown in (Fig.10). The grooving insert isplunged down both outside walls thus maintaining agood finish. The remaining material can be removedby using a stronger insert shape such as a RCGX style.

INSERT RADIUS DEPTH OF CUT

Inch Inch1/64"1/32"3/64"1/16"3/32"1/8"

.005

.009

.014

.018

.028

.037

•α=45º

How To Protect Corner Radii

Grooving inserts can be used to machine areas larger than their widths.The procedure below shows the best way to maintain good sidewall finishes while guarding against notching.

Application

App

licat

ion

App

licat

ion

Page 27: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

4948

A) Use WA1Use WA1 where more flank wear resistanceneeded.

Knowing the hardness of the work material before thecutting begins may make all the difference between suc-cess or failure. Many times on the shop floor the operatordoes not know the part hardness.If this information is not known then more time is need-ed in the testing procedure trying to find the optimumspeed and feed range. As the material hardness increasesspeed should decrease. Also, parts that have a forget scalework surface require a 25% speed and feed reductionuntil the scale is gone. This type of programing changewill reduce the potential of notching as a failure mode.

• Increase speeds and decrease feeds • Use smaller I.C round insert, or smaller nose radius• Choose an insert shape with most acute angle possible• Use positive insert geometries• Reduce lead angle• Reduce edge preparation or use sharp edge• Minimize overhang

The dynamic toughness and wear resistance of both SX5 & SX9 grades open up a new frontier in high speedmilling of nickel-based alloys. Successful applications include the following :1) Speed ranges of 2000-3500SFM2) Feed ranges of ( .003~.006") per tooth3) No coolant should be used when milling4) Use RPG-32, RPG-43 or RNG-45 inserts5) Heavy depth of cuts .040 - .0100"

Chatter problems are often caused by too much cutting pressure when machiningnickel-based alloys in especially profiling cut or grooving where over hang of holderneeded, cutting thin-walled parts or no rigidity machine, and it causes excessiveinsert wear or insert breakage.

f/2f

B) Increase feed rates for SX5 & SX9In some case, in order to increase the wearresistance of both SX5 & SX9, the feedmust be increased. By increasing the feedand utilizing the toughness of SX5 & SX9,the inserts are off the part sooner causingless wear. Increasing the feed also decreasescycle time and improves productivity andprofitability.

C) Decrease cutting speeds for SX5 & SX9When the cutting speeds are decreased less flank wear is noticeable.

1300 SFM

Shown in Fig.2 ③ on page 42

500 SFM

Shown in Fig.2 ① on page 42

A) FlakingFlaking on the insert is often caused by too much cutting tool pressure due to increased flankwear or notching. Take a look the failure mode and then refer how to reduce notch wearshown on (page 44) or how to reduce flank wear show on (page48).Also, a slightly larger T-land on the edge prep may help.

B) BreakageInsert breakage should be improved by following guidelines.

Flaking Breakage

Shown in Fig.1 ③ on page 42 Shown in Fig.2 ④ on page 42

.000 .004 .008 .012 .016 .020.000

.025

.050

.075

.100

Whisker rainforcedceramic

Feed (IPR)

Fla

nk w

ear

(inch

)

Cutting conditionWork material : INCO718Insert shape : RNG45

Cutting Speed : 800SFMDepth of Cut : .080inchCoolant

SX9Whisker ceramic

SX9

SX9

SX9

SX9

Feed rate increased decreases wear amount of SX9

When the insert breakage happens at the begin of cut scale, it might be caused by toohigh cutting speeds & feeds.

(Fig.14)

(Fig.13)

How To Reduce Flank Wear

As mentioned earlier, SX5 & SX9 do not have the same flank wear resistance as WA1 at high cutting speeds. UseWA1 for best flank wear resistance needed. Flank wear can be reduced by changing to optimized speeds & feeds forSX5 & SX9.

How To Eliminate Flaking and Breakage

How To Eliminate Chatter

Milling

Application

App

licat

ion

App

licat

ion

Page 28: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

5150

Application

Ni-based Heat Resistant AlloysMaterial Specifications Cross-Reference List -Aerospace Material Designation

Materialcondition

Ni-based alloys

Annealed or

solution treated

Haynes 80A

Haynes 75

Haynes 263

Haynes 600

Haynes 625

Haynes X-750

Haynes 718

Inconel 781

Nimocast PE10

Nimocast PD16

Nimocast PK24

Nimocast 842

Nimocast 713

Nimonic 95

Nimonic 242

Nimonic PE13

Nimonic PK25

Nimonic PK31

Refractaloy 26

Rene 63

Rene 77

Rene 80

Rene 95

Rene 100

Rene 125

TRW 1800

TRW V1 A

Udimet 630

Udimel 700

Udimet 710

Hastalloy B*

Hastalloy C*

Hastalloy N*

Hastalloy W*

Hastalloy X*

lncoloy 804*

lncoloy 825*

Inconel 600*

Inconel 601*

lnconel 604*

Inconel 625*

Monel 400*

Monel R-405*

Nimonic 75*

140

200

160

180

170

150

180

180

110

110

170

70.9

73.7

51.4

75.9

61.4

74.9

53.5

70.0

56.4

43.8

61.1

57.7

72.6

49.9

58.0

49.0

49.9

53.8

38.0

54.4

57.6

61.0

64.5

60.6

60.0

70.0

70.5

51.0

54.6

55.0

64.3

54.1

72.2

62.7

47.1

41.0

42.0

75.0

60.0

74.4

61.0

65.0

66.0

75.0

20.0

20.0

20.0

16.0

21.0

16.0

18.0

16.0

20.0

16.5

9.5

22.0

13.4

19.5

21.5

21.8

19.0

20.0

19.0

14.0

15.0

14.0

14.0

10.0

8.9

13.0

6.0

17.0

15.0

18.0

0.6

16.0

7.0

5.0

22.0

29.5

21.0

15.5

23.0

15.8

21.5

19.5

2.0

20.0

15.0

10.0

10.0

1.5

19.5

14.0

20.0

15.0

15.0

9.5

8.0

15.0

10.0

7.5

17.5

15.0

1.25

1.25

0.25

1.25

1.5

3.0

5.0

8.0

5.0

7.0

19.0

8.0

34.0

5.0

18.5

16.0

0.5

0.4

17.5

0.5

5.5

5.75

3.0

5.5

18.5

26.0

30.0

8.0

14.0

7.2

2.5

1.5

1.2

4.0

6.0

9.0

3.0

6.0

3.3

3.0

10.0

4.5

10.5

9.0

4.0

4.5

3.2

6.0

4.2

4.0

3.5

3.0

2.0

2.0

3.0

1.5

28.0

17.0

16.5

24.5

9.0

3.0

9.0

0.1

0.12

0.06

0.08

0.1

0.08

0.08

0.07

0.06

0.17

0.3

0.12

0.11

0.1

0.08

0.03

0.05

0.17

0.15

0.15

0.18

0.1

0.1

0.13

0.04

0.1

0.07

0.1

0.07

0.06

0.06

0.1

0.1

0.04

0.05

0.05

0.04

0.04

0.12

0.15

0.12

2.25

0.5

0.8

0.8

0.1

0.1

0.8

0.8

0.4

0.5

0.6

1.0

0.2

0.5

1.0

1.0

0.15

1.0

0.5

0.8

1.0

0.2

0.1

0.7

0.7

0.25

0.5

0.6

0.75

0.2

0.5

1.5

0.25

1.0

0.8

0.5

0.1

1.2

5.5

6.2

2.0

2.9

0.4

0.2

3.8

4.3

5.5

4.7

6.0

5.4

0.6

4.4

2.5

0.5

0.25

1.4

0.4

2.5

0.4

1.5

0.25

0.9

3.0

1.2

4.7

1.0

3.5

2.9

2.3

2.75

2.5

3.3

4.0

2.5

4.7

2.5

0.06

1.0

1.1

3.4

5.0

0.6

1.0

0.4

0.4

0.5

3.5

1.0

5.0

0.2

9.0

1.0

2.3

0.6

5.0

3.5

8.0

3.5

7.0

10.5

6.3

4.1

1.5

4.0

0.21

0.6

0.5

2.0

0.1

3.6

32.0

31.06

Commercialdesignation

HardnessBrinell HB

Ann. Aged

Nominal compositionApproximate content in %

Ni Cr Co Fe Mo C Mn Si Al Ti Others

* These alloys cannot be hardened by aging process.

USA

SAE

5391A

5536E

5751A

5396A

5388C

5771

5390A

5540

4544

4674

AMS

5542

5397

5754E

5753

5396

5388

5607

5786

5390

5580

5715

5666

4574

7234

UK

BS

HC204

3146

HC203

HR6,204

3072-76

3072-76

3072-76

HR5,203-4

France

AFNOR

NC15TNbA

NK15CAT

NC13AD

NC22FeD

NKOD20ATU

Z6NKCDT38

NC14K8

NCKD20AT

NC18TDA

ND37FeV

NC22FeD

NC21FeDU

NC15Fe

NC22FeDNB

NU30

NC20T

Germany

Werkst.-Nr

LW2.4674

2.4670

2.4665

2.4666

2.4668

2.4636

2.4800

2.4602

2.4603

2.4858

2.4816

2.4851

2.4856

2.4360

2.4630

DIN1706

NiFe33Cr17Mo

S-NiCr13AI6MoNb

NiCr22Fe18Mo

NiCr18CoMo

NiCo15Cr10MoAITi

NiTa9Co8W6CrAI

NiCr19NbMo

NiCo15CrMoAlTi

S-NiMo30

NiCr17Mo17FeW

NiCr21Mo

NiCr15Fe

NiCr23Fe

NiCr22Mo9Nb

NiCu30Fe

NiCr20Ti

Others

N10001

N10002

N10003

N10004

N06002

N08825

N06600

N06601

N06625

N04400

N04405

Customerdesignation

App

licat

ion

App

licat

ion

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5352

Ni-based Heat Resistant AlloysMaterial Specifications Cross-Reference List -Aerospace Material Designation

Materialcondition

Aged or solution

treated and aged

Cast or cast

and aged

Astroloy*

Hastelloy R235*

lncoloy 901*

lncoloy 903*

Inconel 700*

lnconel 702*

InconeI 706*

lnconel 713*

Inconel 718*

Inconel 722*

Inconel X-750*

Inconel 751*

Jethete M-252*

MAR-M 246*

MAR-M 421*

MAR-M 432*

Monel K-500*

Nimocast 80*

Nimocast 90*

Nimonic 80A*

Nimonic 90*

Nimonic 105*

Nimonic 115*

Nimonic 901*

Nimonic 263/C263*

Nimonic PE16*

Nimonic PK33*

R-235*

Rene 41

Udimet 500*

Udimet 718*

Waspaloy*

GMR 235*

GMR 235D

lN-100*

Jessop G39*

Jessop G64*

Jessop G81*

MAR-M 200*

180

180

120

180

130

220

300

380

350

380

380

390

320

270

290

350

346

320

350

350

275

250

350

380

300

56.9

61.0

44.3

39.0

46.0

79.6

42.0

75.0

52.5

74.8

73.0

70.0

55.3

59.5

62.3

52.3

64.0

69.9

52.9

75.0

59.0

53.0

59.0

44.0

51.5

43.5

55.9

63.3

53.1

51.7

52.5

56.9

63.3

63.0

61.6

67.5

60.7

79.3

69.4

15.0

15.0

12.5

15.0

15.6

16.0

12.5

19.0

15.0

15.5

15.5

20.0

9.0

15.5

15.5

20.0

20.0

19.5

19.5

15.0

14.2

12.5

20.2

16.5

18.0

15.0

19.0

19.0

18.0

19.8

15.5

15.5

10.0

19.5

11.0

20.0

9.0

15.0

2.5

15.0

23.5

10.0

10.0

10.0

20.0

2.0

18.0

16.5

20.0

13.2

20.0

14.0

1.2

11.0

19.0

13.5

15.0

13.0

10.0

10.0

34.0

41.0

0.7

0.35

40.0

19.0

6.5

7.0

7.0

0.2

1.0

5.0

5.0

35.0

34.0

0.5

10.0

1.8

18.0

0.8

10.0

4.5

5.0

2.0

5.25

5.5

6.0

3.75

4.2

3.0

10.0

2.5

1.7

5.0

4.0

5.7

6.0

3.3

7.0

5.5

10.0

4.0

3.0

4.45

5.2

5.0

3.0

3.0

3.0

0.06

0.15

0.05

0.02

0.12

0.04

0.03

0.12

0.04

0.04

0.04

0.1

0.15

0.15

0.15

0.15

0.13

0.1

0.1

0.08

0.08

0.12

0.16

0.04

0.06

0.06

0.05

0.12

0.09

0.1

0.05

0.07

0.15

0.15

0.18

0.5

0.15

0.05

0.15

0.25

0.24

0.10.0

0.05

0.2

0.35

0.55

0.35

1.0

0.5

0.8

0.25

0.1

0.3

0.1

0.1

0.25

0.1

1.2

0.6

0.12

0.3

0.2

0.3

0.35

0.2

0.35

0.5

0.5

0.25

0.3

0.3

0.1

0.1

0.6

0.3

0.5

4.0

3.0

0.15

0.7

3.0

3.0

0.4

6.1

0.9

0.6

0.7

1.5

1.0

5.5

4.3

2.8

2.8

1.0

1.5

1.4

1.5

4.7

5.0

0.3

0.5

1.2

2.1

2.0

1.5

3.0

0.6

1.4

3.0

3.5

5.5

6.0

1.3

5.0

3.5

2.0

2.7

1.4

2.2

0.7

1.75

0.8

0.9

2.4

2.5

2.6

2.6

1.5

1.75

4.3

0.6

2.0

2.5

2.4

2.5

1.2

4.0

2.9

2.0

1.2

2.2

2.5

3.1

3.0

0.1

3.0

2.0

2.5

4.75

2.3

2.0

0.05

0.15

3.0

0.1

0.5

11.5

5.3

5.0

30.0

5.2

0.06

0.05

4.5

4.0

13.5

Commercialdesignation

HardnessBrinell HB

Ann. Aged

Nominal compositionApproximate content in %

Ni Cr Co Fe Mo C Mn Si Al Ti Others

USA

SAE

5383

5542G

4676

5660C

5383

AMS

5660

5550

5702

5391

5589

5541

5582

5551

5661A

5399

5751

5589

5544

5397

UK

BS

3146-3

HR8

3072-76

3146

Hr401,601

Hr2,202

HR3

HR4

HR10

HR207

HR8

France

AFNOR

ZSNCDT42

NK27CADT

NC12AD

NC19FeNB

NC16FeTi

NC16FeTNb

NC20TA

Nc20ATV

NCKD20ATV

NCK15ATD

ZSNCDT42

NCK20D

NW11AC

NC19KDUV

NC19KDT

NCK19DAT

NC19FeN

NC20K14

Germany

Werkst.-Nr

LW2.4662

LW2.4670

LW24668

2.4669

2.4916

2.4675

2.4375

2.4631

2.4632

2.4634

2.4636

2.4662

2.4650

2.4973

2.4983

LW2.4668

LW2.4668

LW2.4674

DIN1706

NiFe35Cr14MoTi

NiCo29Cr15MoAITi

S-NiCr13AI6MoNb

NiCr19Fe19NbMo

NiCr16FeTi

NiCr16FeTi

S-NiCr19Co

NiCo10W10Cr9AITi

NiCR16Co10WAlTi

NiCo20Cr16WAITi

NiCu30AI

NiCr20TiAk

NiCr20Co18Ti

NiCo20C15MoAITi

NiCo15Cr15MoAITi

NiCr15MoTi

NiCr15Co19MoTi

NiFe33Cr17Mo

NiCr20Co16MoTi

NiCr19Co11MoTi

NiCr18Co18MoTi

NiCr19Fe19NbMo

NiCr19Fe19NbMo

NiCr16MoAl

NiCo15Cr10MoAITi

NiCr20MoW

NiCr11AIWNb

NiCr20Co18Ti

NiW13Co10Cr9AITi

Others

N09901

N07702

N09707

N07713

N07722

N07750

N07751

N07252

N05500

N07080

N07090

N07041

N07500

N07718

N07001

AISI:686

N13100

Customerdesignation

* These alloys can be hardened by an aging process.** These alloys cannot be hardened by an aging process.

Application

App

licat

ion

App

licat

ion

Page 30: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

5554

Co-based Heat Resistant AlloysMaterial Specifications Cross-Reference List -Aerospace Material Designation

Materialcondition

Co-based alloys

Annealed or

solution treated

In aged

condition

Air Resist 13

Air Resist 213

Altemp S 816

FSX 414

Haynes 36

Haynes 151

HS 25

HS 30

HS 31

HS 36

Jessop 832

Jessop 834

Jessop 865

Jessop 875

Jessop 887

Jetalloy 209

L-251

L-605

M 203

M 204

M 205

MAR-M 302

MAR-M 322

MAR-M 509

MAR-M 905

MAR-M 918

Refractaloy 70

V-36

Wl-52

Jessop X-40

Jessop X-45

Jessop X-50

Jessop X-63

J 1650

Haynes 25*

Haynes 188*

HS 6*

HS 21*

J1570*

1.0

20.0

10.0

10.0

10.0

16.0

10.0

10.0

12.0

12.0

10.5

10.0

10.0

10.0

10.0

25.0

25.0

25.0

10.0

20.0

20.0

20.0

20.0

0.5

10.5

10.5

20.5

10.0

27.0

10.0

22.0

2.5

3.0

28.0

19.0

20.0

29.0

18.5

20.0

20.0

24.0

25.0

18.0

19.0

19.0

25.5

21.0

20.0

20.0

19.0

20.0

20.0

18.0

18.0

21.5

21.5

23.0

20.0

20.0

21.0

25.0

21.0

25.5

25.5

25.5

25.0

19.0

20.0

22.0

28.0

27.0

19.0

79.6

65.8

47.6

52.8

52.8

65.6

48.4

51.4

53.8

53.1

44.0

42.0

53.0

66.0

50.0

52.0

56.0

51.0

38.0

42.0

40.0

57.0

60.0

55.0

55.0

52.0

46.0

43.2

62.6

53.0

54.7

40.3

57.6

38.0

49.0

38.0

60.5

62.6

39.0

2.5

1.0

2.0

3.0

1.0

1.5

2.0

17.0

20.0

2.0

3.0

1.0

1.0

1.6

1.6

1.6

1.6

0.75

0.75

0.4

0.5

2.4

2.0

1.5

2.0

4.0

1.0

3.0

2.5

3.0

2.0

2.0

4.0

6.0

2.0

2.0

8.0

4.0

6.0

5.0

11.0

4.7

4.0

7.0

14.5

12.8

15.0

8.0

15.0

7.5

11.0

15.0

15.0

14.0

15.0

12.0

12.0

12.0

10.0

9.0

7.0

4.0

2.0

11.0

7.5

7.0

12.0

12.0

15.0

14.0

5.0

7.0

1.2

0.5

1.5

0.6

0.6

1.5

0.8

0.6

0.5

1.5

0.8

0.1

0.1

0.05

0.1

0.6

0.25

0.75

1.5

1.0

0.6

0.6

0.5

2.0

0.6

0.8

0.3

0.6

1.5

0.6

1.0

0.2

0.1

0.05

0.1

0.5

0.25

0.75

0.5

0.4

0.6

3.5

3.5

0.7

2.7

0.15

2.0

2.0

0.75

0.2

0.5

0.5

4.12

6.68

0.4

0.25

0.4

0.47

0.1

0.4

0.4

0.4

3.5

6.5

0.45

2.45

0.1

0.02

0.4

0.1

1.67

1.27

1.67

10.0

7.7

4.6

7.65

7.65

0.08

2.29

2.45

0.5

0.25

0.75

0.45

0.2

0.1

0.1

1.0

0.25

Commercialdesignation

HardnessBrinell HB

Ann. Aged

Nominal compositionApproximate content in %

Ni Cr Co Fe Mo W Mn Si Al Ti Others

USA

SAE

5380

5382

5537C

AMS

(5534)

5759

5759

5382

5759

5772

5373

5385

UK

BS

3146

3146-3

3156-2

3531

France

AFNOR

KC20WN

KC20WN

KC22WN

Germany

Werkst.-Nr

LW2.4989

LW2.4964

LW2.4670

2.4964

LW2.4670

LW2.4964

DIN1706

CoCr20Ni20W

CoCr19W14NiB

CoCr20W13

CoCr20W15Ni

CoCr25NiW

CoCr25NiW

CoCr19W14NiB

CoCr19Fe16NiMoVNb

CoCr19Fe20NiMoVNb

CoCr25Niw

CoCr21W11Nb

CoCr20W15Ni

CoCr20W15Ni

CoCrW10TaZrB

CoCr22W9TaZrNb

CoCr24Ni10WTaZrB

CoCr20Ni20Ta

CoCr25NiMoWNb

CoCr12MoW

CoCr25NiW

CoCr20W15Ni

CoCr22W14Ni

CoCr29Mo

Others

R30030

R30031

R30605

R30006

R30021

Customerdesignation

* These alloys can be hardened by an aging process.** These alloys cannot be hardened by an aging process.

Application

App

licat

ion

App

licat

ion

Page 31: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

56

Index

Page 32: Aerospace Industry Solutions For The - Productivity Inc · NGK DO BRASIL LTDA. CERAMICA E VELAS DE IGNICAO Estrada Mogi-Salesopolis, km 09 Bairro Cocuera, Mogi das Cruzes ... Guide

5958

Index

• Inserts • Toolholders, MillsItem Number Description Page

CNG

CNGA

CNGG-ZP

CNGN

CNGX

CNMG-Z5

DNG

DNGA

DNGG-ZP

DNGN

DNMG-G

DNMG-Z5

RCGX

RNG

RNGN

RPG

RPGN

RPGX

SNG

SNGA

SNGN

SNMG-Z5

TNG

TNGA

TNGN

TNGG-C

TNGG-DA

TNGG-LU2

TNGG-RU2

TNGG-ZP

TNMG-Z5

TPG

TPGN

VDB

VGK

VGW

VNGA

VNGG-ZP

VNMG-AM1

WNGA

WNGG-ZP

WNMG-Z5

Ceramic

Ceramic

Micro-Grain Carbide

Ceramic

Ceramic

Micro-Grain Carbide

Ceramic

Ceramic

Micro-Grain Carbide

Ceramic

Micro-Grain Carbide

Micro-Grain Carbide

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Micro-Grain Carbide

Ceramic

Ceramic

Ceramic

Micro-Grain Carbide

Micro-Grain Carbide

Micro-Grain Carbide

Micro-Grain Carbide

Micro-Grain Carbide

Micro-Grain Carbide

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Ceramic

Micro-Grain Carbide

Micro-Grain Carbide

Ceramic

Micro-Grain Carbide

Micro-Grain Carbide

18

18, 24, 25

22

18

18

22

18

18, 24, 25

22

18

22

22

19

19, 37

19, 37

19, 37

19, 37

19

19

20

19

22

20

20

20

22

22

22

22

22

22

20

20

21, 33

21

21

20

22

22

20

22

22

Item Number Description Page

ACN

ADN

AMS

AMT

AOB

AOS

ARP

ASGL

CL

CL1-1

CL-12

CR1-1

CRGNL

CRGNR

CW6CNC

CW6DNC

DAS41

DB1-1-16L

DB1-1-16R

DB7-1-20L

DB7-1-20R

DB7-1-7-16L

DB7-1-7-16R

DB7-1-7-20L

DB7-1-7-20R

DBA

FSS

IRSN-43

IRSN-53

L1E

L2E

LLR

R1E

R2E

RNIW

RPIW

S-46

S-58

SC02C

SC05C

SC06C

SC10F

Shim

Shim

Clamp

Clamp

Clamp Screw

Clamp Screw

Shim

Spring

Clamp

Clamp

Clamp

Clamp

Tool Holder

Tool Holder

Clamp

Clamp

Shim Screw

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Shim

Shim Screw

Shim

Shim

Shim

Shim

Wrench

Shim

Shim

Cutter

Cutter

Shim Screw

Shim Screw

Shim Screw

Shim Screw

Shim Screw

Clamp Screw

25

25

36

37

36, 37

25

36

25

26

31, 32

27

31, 32

27

27

25

25

30

30

30

30

30

31, 32

31, 32

31, 32

31, 32

31, 32

25

27

27

30

30

25

30

30

36

36, 37

27

27

26

26

26

26

• Toolholders, MillsItem Number Description Page

SC40F

SM

VRAOL

VRAON

VRAOR

WCLNL

WCLNR

WDJNL

WDJNR

XNS-59

Clamp Screw

Shim

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Tool Holder

Clamp Screw

26, 30

26

26

26

26

24

24

24

24

27

Inde

x

Inde

x

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Cautions for using cutting toolsObjective product Danger Countermeasure

Cutting tools in gen-eral

Throw-away type(blade change type)tools in general

Cutters and othertools that are rotatedfor use

Soldering tool

Others

*Wear protective gear, such as protective gloves, etc.,especially when taking out the product from the case orattaching the tool to a machine,

*Wear protective gear such as safety covers or protectiveglasses.*l Use within the recommended purpose of usage.

Refer to the operation manual, catalogue, etc.

*Wear protective gear such as safety cover or protectiveglasses.*Stop the machine, wear the protective gloves and use tools

such as nipper or clipper, etc. to remove cutting chips.

*Wear protective gear such as protective gloves.

*Do not use the tool where there is a possibility of fire orexplosion.*If you use insoluble cutting lubricant, be sure to have

antifire provisions.

*Wear protective gear such as safety cover or protectiveglasses.*Make sure to have a trial operation in advance in order

to confirm that there is no vibration or abnormal sound.

*Do not touch with bare hands.

*Clean the surface for attachment of an insert or the partfor fixture of the insert completely before attaching theinsert.*Make sure that the insert or the part is clamped securely

using a spanner provided with the product before attach-ment. Also, do not use any inserts or parts other thanthe ones provided with the products.

*Do not use a tool such as a pipe. Use the spanner whichis provided with the product.

*Use the tools only for the recommended purposes.Refer to the operation manual, catalog, or other sourceof information.

*Wear protective gear such as protective gloves, etc.

*Use the tool within the recommended rotation speed.*Check and adjust the accuracy of rotating section or bal-

ance periodically so that eccentric rotation or deflectiondoes not occur due to abrasion of the bearings, etc.

*Confirm that the soldering is secure before use.*Do not use under conditions which may cause the tool

to reach high temperatures.

*Do not use the chip which has been soldered manytimes because the strength will be lower.

*Use the tools only as specified.

◎This type of tool has very sharp blade. If you touch itdirectly, you may get injured.

◎If you use it improperly or if the conditions for use areinappropriate, it may cause breakage or shattering ofthe tool, which may result in injury.

◎Sudden increase of cutting resistance due to a mixtureof impact and burden or excessive abrasion may causebreakage or shattering of the tool, which may result ininjury.

◎Tools or workpieces will be very hot while cutting. Therefore, if you touch them immediately after themachining, you may get burn injury.

◎Sparks, heat generated due to breakage while cutting,cutting chips may also cause a fire.

◎When using the tool at high speed rotation if the wholemachine including the holder of the machine is not wellbalanced, the tool may get broken due to tremor orvibration, which may result in injury.

◎Touching burrs on the machined product directly mayresult in injury.

◎If the chip or parts are not clamped securely, those mayfall down or scatter while cutting, which may cause injury.

◎If the tool is tightened too tightly using a tool such aspipe, etc., the chip or tool may fall down or shatter whilecutting. This is dangerous.

◎When using the tool at high speed rotation, a part orchip may be thrown out by centrifugal force, which isvery dangerous. Be careful about handling the tool safe-ly.

◎The sharp cutter blades may cause injury if you touchthem directly with your hands.

◎The tool may be deflected due to eccentric rotation orbad balance that will cause vibration, breakage or scat-tering of the tool, which may result in injury.

◎You may get injured due to defluxion or breakage of thechips, etc.

◎Repeating soldering many times may cause the chip tobe broken easily. This is dangerous.

◎Using the tool for other than its intended purposes maycause breakage of the machine or tool. This is very dan-gerous.

For safe use of the Extra Hard Tool Product safety.1. To use extra hard tool product.

In accordance with the Product Liability Law (PL law) that has been in effect since July 1, 1995, we affix warning

labels or caution labels to the packages of the products which are covered by the law. However, we don't affix

specific caution labels onto the tool itself. Therefore, please read this catalogue before using extra hard tool products

and extra hard tool materials. In addition, we would like to ask you to inform your operators of the content of this

catalogue as part of your safety training.

2. Basic features of extra hard tool materials2-1. Meaning and usage of terms in this catalogueExtra hard tool material: Generic name for tool materials such as extra hard alloys, cermet, ceramic, CBN

sintering material and diamond sintering material.

Extra hard alloy : Tool material which is mainly made of WC (Carbonized tungsten)

Extra hard : Abbreviation for extra hard tool materials, or the abbreviation for extra hard alloy in the narrow sense.

Extra hard tool : Generic name of tools which are made of extra hard tool material.

2-2. Physical characteristicsAppearance: Each material is different. Example: Gray, black, gold color, etc. Odor: None

Hardness : Extra hard cermet: HV500 to 3000kg/mm2, Ceramic : HV1000 to 4000kg/mm2

Hardness : CBN sintering material : HV 2000 to 5000 kg/mm2, Diamond sintering material: HV8000 to 12000kg/mm2

Gravity: Extra hard: 9 to 16, cermet: 5 to 9, ceramic : 2 to 7, CBN and diamond sintering material 3 to 5

2-3. ComponentCarbide, nitride, carbonitride, oxide such as W, Ti, Al, Si, Ta, B, and materials that contain Co, Ni, Cr, Mo, etc. in

addition to those compounds.

3. Cautions for handling extra hard tool materials・Extra hard materials can sometimes be quite fragile, although they are normally very hard. The materials may be damaged

by sharp impact or excessive tightening.

・Since extra hard materials have high specific gravity, care should be taken when handling large products or large amounts

of the products which are made of those materials.

・Extra hard materials have different thermal expansion ratios from other metallic materials. Therefore, cracks may occur in

the product after shrinkage fit or cold shrinkage fit because the temperature for use is significantly higher or lower than the

specification temperature.

・If the extra hard material has corrosion due to liquid for grinding, lubricant or water, etc., the strength of the material will be

deteriorated significantly. Be sure to store the material where it will not come in contact with liquids or water.

4. Cautions for machining extra hard tools・Extra hard tools may lose strength significantly depending on the surface condition. Be sure to use diamonds for grinding.

・Extra hard tools may generate dust during grinding. If you inhale a great deal of the dust, it may affect your health. Please

make sure to have equipment for disposal and wear protective devices such as a mask, etc. If the dust comes in contact

with your bare skin gets into your eyes, wash thoroughly with water.

・When grinding the extra hard material or soldered material, heavy metal component will be included in the waste fluid. So,

make sure to dispose of the waste fluid properly.

・When regrinding extra hard tools, do a post check to be sure that no cracks have occurred.

・If you use a laser or electric pen, etc. to mark the extra hard material or products, it may cause cracks. Do not make mark-

ings at places where stress will be applied.

・If electric discharge machining is conducted on the extra hard material, remnant cracks may occur on the surface which

cause the material to weaken. Be sure to remove any cracks by grinding, if necessary.

・When soldering the extra hard materials, if the material temperature is much lower or higher than the melting temperature of

the soldering material, it may cause defluxion or breakage of the product. Be careful about the temperature.

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