Radius End Mill for Hardened Steel EPDREH-TH3...Radius End Mill for Hardened Steel w s No.1903E-1 2020-4 2020-4（K） 2019-5:FP Attentions on Safety 2. Cautions regarding mounting

EPDREH-TH3Epoch Deep Radius Evolution Hard-TH3

Radius End Mill for Hardened Steel

New Produc t News No.1903E-1 2020-4

2020-4（K）2019-5:FP

Attentions on Safety

2. Cautions regarding mounting(1) Before use, check the outside appearance of the tool for scratches, cracks, etc. and that it is firmly mounted in the collet chuck, etc.(2) If abnormal chattering, etc. occurs during use, stop the machine immediately and remove the cause of the chattering.

4. Cautions regarding regrinding(1) If regrinding is not performed at the proper time, there is a risk of the tool breaking. Replace the tool with one in good condition, or perform regrinding.(2) Grinding dust will be created when regrinding a tool. When regrinding, be sure to attach a safety cover over the work area and wear safety clothes such as safety

goggles, etc.(3) This product contains the specified chemical substance cobalt and its inorganic compounds. When performing regrinding or similar processing, be sure to handle the

processing in accordance with thelocal laws and regulations regarding prevention of hazards due to specified chemical substances.

1. Cautions regarding handling(1) When removing the tool from its case (packaging), be careful that the tool does not pop out or is dropped. Be particularly careful regarding contact with the tool flutes. (2) When handling tools with sharp cutting flutes, be careful not to touch the cutting flutes directly with your bare hands.

3. Cautions during use(1) Before use, confirm the dimensions and direction of rotation of the tool and milling work material.(2) The numerical values in the standard cutting conditions table should be used as criteria when starting new work. The cutting conditions should be adjusted as

appropriate when the cutting depth is large, the rigidity of the machine being used is low, or according to the conditions of the work material.(3) Cutting tools are made of a hard material. During use, they may break and fly off. In addition, cutting chips may also fly off. Since there is a danger of injury to

workers, fire, or eye damage from such flying pieces, a safety cover should be attached when work is performed and safety equipment such as safety goggles should be worn to create a safe environment for work.

(4) There is a risk of fire or inflammation due to sparks, heat due to breakage, and cutting chips. Do not use where there is a risk of fire or explosion. Please caution of fire while using oil base coolant, fire prevention is necessary.

(5) Do not use the tool for any purpose other than that for which it is intended.

Specifications for the products listed in this catalog are subject to change without notice due to replacement or modification. Printed in JAPAN

Printed using vegetable oil ink.

The diagrams and table data are examples of test results, and are not guaranteed values.“ ” is registered trademarks of MOLDINO Tool Engineering, Ltd.

Official Web Site

Database for selection Cutting Tool Products 【TOOL SEARCH】

http://www.moldino.com/en/Head OfficeHulic Ryogoku Bldg. 8F, 4-31-11, Ryogoku, Sumida-ku, Tokyo, Japan 130-0026International Sales Dept. : TEL +81-3-6890-5103　FAX +81-3-6890-5128

MOLDINO Tool Engineering Europe GmbHItterpark 12, 40724 Hilden,Germany. Tel +49-(0)2103-24820 Fax +49-(0)2103-248230

MOLDINO Tool Engineering (Shanghai), Ltd.Room 2604-2605, Metro Plaza, 555 Loushanguan Road, Changning Disctrict,Shanghai, 200051, China Tel +86-(0)21-3366-3058 Fax +86-(0)21-3366-3050

MITSUBISHI MATERIALS U.S.A. CORPORATIONDETROIT OFFICE Customer service41700 Gardenbrook Road, Suite 120, Novi, MI 48375-1320 U.S.A.Tel +1(248) 308-2620 Fax +1(248) 308-2627CHICAGO OFFICE1314B North Plum Grove Road, Schaumburg, IL 60173 U.S.A. Tel +1(847) 252-6371 Fax +1(248) 308-2627

MMC METAL DE MEXICO, S.A. DE C.V.Av. La Cañada No.16, Parque Industrial Bernardo Quintana, El Marques, Querétaro, CP 76246, MéxicoTel +52-442-1926800

MMC METAL DO BRASIL LTDA. Rua Cincinato Braga, 340 13° andar.Bela Vista – CEP 01333-010 São Paulo – SP ., Brasil Tel +55(11)3506-5600 Fax +55(11)3506-5677

MMC Hardmetal(Thailand)Co.,Ltd. HT-DivisionCTI Tower 24 Floor, 191/32 Ratchadapisek Road, Klongtoey, Klongtoey, Bangkok 10110, Thailand Tel: +66-(0)2-661-8170 Fax: +66-(0)2-661-8175

Hitachi Metals (India) Pvt. Ltd.Plot No 94 & 95,Sector 8, IMT Manesar ,Gurgaon-122050 , Haryana, India Tel +91-124-4812315 Fax +91-124-2290015

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DISTRIBUTED BY:

Europe

China

America

Mexico

Thailand

Brazil

India

Target steel grade

Features and performance

Back draft effect

EPDREH-TH3

φ0.2～φ1 ［ 53 Items ］（Corner radius R0.02～R0.2）

TH3 Coating

Carbon steelAlloy steel

Stainless steelTool steel

Pre-hardenedsteel

Hardened steel45~55HRC



01

02

03

03

02

Guaranteed R accuracy for performing high-precision machining

Coating "TH3" for hardened steel machining

Tool design to pursue high-precision machining

Newly developed coating "TH3" for hardened steel machining

・Hardened steel (especially 50HRC or higher), high-speed steel


01Features Guaranteed R accuracy for performing high-precisionmachining

In case of φ1 - under neck length 8mm,

13% of deflection is suppressed compared to conventional neck shape(Theoretical value by our calculation)

Backdraft effect enables good-quality processed surfaces to be achieved.Inherits the reliable backdraft shape to enable chattering to be reduced by performing point cutting.

⇒Interference area is different from conventional products (EPDRE-ATH). Please use CAD/CAM Support Data Pack Vol.7 for checking interference area. For details, please visit our web site.

http://www.moldino.com/en/

Guaranteed corner R accuracy based on tool-center-axis enables furtherhigh-precision finishing for molds & dies.

High-accuracy corner R

Comparison of conventional shape

Adopted a tool specification that guarantees R accuracy based on the tool center axis.Controls the variation of accuracy than conventional tools,

and achieves high-precision machining.

R centerposition

Reference point = tool dia.

Peripheralcutting edge

Corner Rcutting edgeEnd cutting

edge

Effect on tool accuracy ＝ Variance of tool dia.+ Variance of radius

General radius end mill(R accuracy : based on tool dia.)

R center position

Reference point= Tool center axis

Peripheral cutting edge


edge

RR

Effect on tool accuracy ＝ Variance of radius

EPDREH-TH3(R accuracy : based on tool center axis)

When tool diameter is used as a reference, R center position changes by the tolerance.

R center position does not change since tool center axis is a reference.

Neck shape with a smaller amount of deflection than conventional tools has been adopted.

The long-awaited small diameter radius end mills have been added to the TH3 series.Performs excellent wear resistance when cutting hardened steel and contributes to high precision machining of mold & dies.

Features of EPDREH-TH3

Applications

Parts processingMold making

Features

Features

Conventional coatingBig destruction

Carbide Carbide

Small destructionCutting force

Carbide Carbide

! TH3 coating achieves to reduce destruction unit of layer by applying "nano-size composition".Point

Carbide

Coating structure

TH3 coating

・High hardness coating with excellent wear resistance and heat resistance・Has excellent thermal shock resistance enables to suppress sudden chipping・Long tool life when cutting high-hardness materials (50HRC or higher) such as hardened steel

Funcitional layer withexcellent thermal shock resistance

New layer with excellent wear resistance and heat resistance

Applies nano-sizecomposition

Cutting force

0302

Case of under neck length is 4mm

Projection amount is different even if under neck length is same as conventional tools.

EPDREH-TH3

EPDRE-ATH (conventional)

Target steel grade

Features and performance

Back draft effect

EPDREH-TH3

φ0.2～φ1 ［ 53 Items ］（Corner radius R0.02～R0.2）

TH3 Coating

Carbon steelAlloy steel

Stainless steelTool steel

Pre-hardenedsteel




01

02

03

03

02

Guaranteed R accuracy for performing high-precision machining

Coating "TH3" for hardened steel machining


Newly developed coating "TH3" for hardened steel machining

・Hardened steel (especially 50HRC or higher), high-speed steel


01Features Guaranteed R accuracy for performing high-precisionmachining

In case of φ1 - under neck length 8mm,

13% of deflection is suppressed compared to conventional neck shape(Theoretical value by our calculation)

Backdraft effect enables good-quality processed surfaces to be achieved.Inherits the reliable backdraft shape to enable chattering to be reduced by performing point cutting.

⇒Interference area is different from conventional products (EPDRE-ATH). Please use CAD/CAM Support Data Pack Vol.7 for checking interference area. For details, please visit our web site.

http://www.moldino.com/en/

Guaranteed corner R accuracy based on tool-center-axis enables furtherhigh-precision finishing for molds & dies.

High-accuracy corner R

Comparison of conventional shape

Adopted a tool specification that guarantees R accuracy based on the tool center axis.Controls the variation of accuracy than conventional tools,

and achieves high-precision machining.

R centerposition

Reference point = tool dia.

Peripheralcutting edge


edge

Effect on tool accuracy ＝ Variance of tool dia.+ Variance of radius


R center position

Reference point= Tool center axis

Peripheral cutting edge


edge

RR

Effect on tool accuracy ＝ Variance of radius


When tool diameter is used as a reference, R center position changes by the tolerance.

R center position does not change since tool center axis is a reference.

Neck shape with a smaller amount of deflection than conventional tools has been adopted.

The long-awaited small diameter radius end mills have been added to the TH3 series.Performs excellent wear resistance when cutting hardened steel and contributes to high precision machining of mold & dies.

Features of EPDREH-TH3

Applications

Parts processingMold making

Features

Features

Conventional coatingBig destruction

Carbide Carbide

Small destructionCutting force

Carbide Carbide

! TH3 coating achieves to reduce destruction unit of layer by applying "nano-size composition".Point

Carbide

Coating structure

TH3 coating

・High hardness coating with excellent wear resistance and heat resistance・Has excellent thermal shock resistance enables to suppress sudden chipping・Long tool life when cutting high-hardness materials (50HRC or higher) such as hardened steel

Funcitional layer withexcellent thermal shock resistance

New layer with excellent wear resistance and heat resistance

Applies nano-sizecomposition

Cutting force

0302

Case of under neck length is 4mm

Projection amount is different even if under neck length is same as conventional tools.

EPDREH-TH3

EPDRE-ATH (conventional)

EPDREH2 TH3.- - -

Item code Stock

EPDREH2002-0.5-002-TH3EPDREH2002-1-002-TH3EPDREH2002-0.5-005-TH3EPDREH2002-1-005-TH3EPDREH2003-1-002-TH3EPDREH2003-2-002-TH3EPDREH2003-1-005-TH3EPDREH2003-2-005-TH3EPDREH2004-1-002-TH3EPDREH2004-2-002-TH3EPDREH2004-1-005-TH3EPDREH2004-2-005-TH3EPDREH2004-1-01-TH3EPDREH2004-2-01-TH3EPDREH2005-1-002-TH3EPDREH2005-2-002-TH3EPDREH2005-3-002-TH3EPDREH2005-1-005-TH3EPDREH2005-2-005-TH3EPDREH2005-3-005-TH3EPDREH2005-1-01-TH3EPDREH2005-2-01-TH3EPDREH2005-3-01-TH3EPDREH2006-2-002-TH3EPDREH2006-4-002-TH3EPDREH2006-2-005-TH3EPDREH2006-4-005-TH3EPDREH2006-2-01-TH3EPDREH2006-4-01-TH3EPDREH2008-2-002-TH3EPDREH2008-4-002-TH3EPDREH2008-2-005-TH3EPDREH2008-4-005-TH3EPDREH2008-2-01-TH3EPDREH2008-4-01-TH3EPDREH2008-2-02-TH3EPDREH2008-4-02-TH3

0.510.51121212121212312312324242424242424

0.15

0.25

0.3

0.35

0.4

0.5

0.17

0.27

0.37

0.47

0.57

0.77

50

50

50

50

50

50

4

4

4

4

4

4

13.99 13.16 14.05 13.21 13.12 11.7 13.17 11.73 13.07 11.62 13.12 11.66 13.21 11.73 13.03 11.55 10.37 13.08 11.59 10.4 13.16 11.66 10.46 11.47 9.31 11.51 9.33 11.58 9.38 11.3 9.09 11.35 9.12 11.42 9.16 11.56 9.25

0.571.090.571.081.092.121.082.121.092.121.082.121.082.121.092.123.151.082.123.151.082.123.152.124.192.124.192.124.182.124.192.124.192.124.182.114.18

Actual effective lengthin incline angles

0.5° 1° 1.5° 3°2°

Tooldia.Dc

Cornerradius

r

Under necklengthR2

FlutelengthR

Neckdia.D1

Overalllength

L

Shankdia.Ds

●：Stocked Items.　　

0.591.120.591.121.122.191,122.191.122.191.122.191.122.191.122.193.261.122.193.261.122.193.262.194.332.194.332.194.332.194.332.194.332.194.332.184.32

0.611.160.611.161.162.271.162.271.162.271.162.271.152.261.162.273.381.162.273.381.152.263.372.274.492.274.482.264.482.274.492.274.482.264.482.254.47

0.631.210.631.21.212.361.22.351.212.361.22.351.192.341.212.363.511.22.353.51.192.343.492.364.662.354.652.344.642.364.662.354.652.344.642.334.63

0.681.30.671.31.32.551.32.541.32.551.32.541.282.531.32.553.791.32.543.781.282.533.772.555.032.545.032.535.012.555.032.545.032.535.012.54.99

φD

1

φDc φD

s

RR2

L

r θκTolerance on Corner radius : ±0.005mm (Central axis)

●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●

0.2

0.3

0.4

0.5

0.6

0.8

1

0.02

0.05

0.02

0.05

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.2

2 Flutes

Radius

0504

Size(mm) Interferenceangleθκ（°）

EPDREH2 TH3.- - -

EPDREH2010-2-002-TH3EPDREH2010-4-002-TH3EPDREH2010-6-002-TH3EPDREH2010-8-002-TH3EPDREH2010-2-005-TH3EPDREH2010-4-005-TH3EPDREH2010-6-005-TH3EPDREH2010-8-005-TH3EPDREH2010-2-01-TH3EPDREH2010-4-01-TH3EPDREH2010-6-01-TH3EPDREH2010-8-01-TH3EPDREH2010-2-02-TH3EPDREH2010-4-02-TH3EPDREH2010-6-02-TH3EPDREH2010-8-02-TH3

2468246824682468

0.8 0.94 50 4

●●●●●●●●●●●●●●●●

0.02

0.05

0.1

0.2

15°

72HRC

h5

2.184.246.318.382.184.246.318.382.174.246.318.382.174.246.318.37

2.254.396.538.672.254.396.538.672.254.396.538.672.244.386.528.66

2.334.556.778.982.334.556.768.982.334.546.768.972.314.536.758.96

2.424.727.029.322.424.727.029.322.414.717.019.312.394.696.999.29

2.62 5.1 7.59 10.07 2.61 5.09 7.58 10.07 2.6 5.08 7.57 10.06 2.57 5.06 7.55 10.03

11.04 8.8 7.32 6.26 11.08 8.83 7.34 6.27 11.16 8.88 7.37 6.29 11.3 8.97 7.43 6.34

Helix 30°

Draft angle

The effectiveunder-neck length

Interferenceangleθκ

The actual effective length in incline angles is different from Epoch Deep Radius Evolution EPDRE-ATH.Please recheck the interference area.

【Note】

× ×EPDREH-TH3 Epoch Deep Radius Evolution Hard-TH3

Product Name Outer Dia. EndShapeRe-grinding compatibility

range(mm)Item Code

Re-grinding compatibility range table

L ine Up

Carbide TH3Coated

Item code StockActual effective length

in incline angles

0.5° 1° 1.5° 3°2°

Tooldia.Dc

Cornerradius

r

Under necklengthR2

FlutelengthR

Neckdia.D1

Overalllength

L

Shankdia.Ds


EPDREH2 TH3.- - -

Item code Stock

EPDREH2002-0.5-002-TH3EPDREH2002-1-002-TH3EPDREH2002-0.5-005-TH3EPDREH2002-1-005-TH3EPDREH2003-1-002-TH3EPDREH2003-2-002-TH3EPDREH2003-1-005-TH3EPDREH2003-2-005-TH3EPDREH2004-1-002-TH3EPDREH2004-2-002-TH3EPDREH2004-1-005-TH3EPDREH2004-2-005-TH3EPDREH2004-1-01-TH3EPDREH2004-2-01-TH3EPDREH2005-1-002-TH3EPDREH2005-2-002-TH3EPDREH2005-3-002-TH3EPDREH2005-1-005-TH3EPDREH2005-2-005-TH3EPDREH2005-3-005-TH3EPDREH2005-1-01-TH3EPDREH2005-2-01-TH3EPDREH2005-3-01-TH3EPDREH2006-2-002-TH3EPDREH2006-4-002-TH3EPDREH2006-2-005-TH3EPDREH2006-4-005-TH3EPDREH2006-2-01-TH3EPDREH2006-4-01-TH3EPDREH2008-2-002-TH3EPDREH2008-4-002-TH3EPDREH2008-2-005-TH3EPDREH2008-4-005-TH3EPDREH2008-2-01-TH3EPDREH2008-4-01-TH3EPDREH2008-2-02-TH3EPDREH2008-4-02-TH3

0.510.51121212121212312312324242424242424

0.15

0.25

0.3

0.35

0.4

0.5

0.17

0.27

0.37

0.47

0.57

0.77

50

50

50

50

50

50

4

4

4

4

4

4

13.99 13.16 14.05 13.21 13.12 11.7 13.17 11.73 13.07 11.62 13.12 11.66 13.21 11.73 13.03 11.55 10.37 13.08 11.59 10.4 13.16 11.66 10.46 11.47 9.31 11.51 9.33 11.58 9.38 11.3 9.09 11.35 9.12 11.42 9.16 11.56 9.25

0.571.090.571.081.092.121.082.121.092.121.082.121.082.121.092.123.151.082.123.151.082.123.152.124.192.124.192.124.182.124.192.124.192.124.182.114.18

Actual effective lengthin incline angles

0.5° 1° 1.5° 3°2°

Tooldia.Dc

Cornerradius

r

Under necklengthR2

FlutelengthR

Neckdia.D1

Overalllength

L

Shankdia.Ds

●：Stocked Items.　　

0.591.120.591.121.122.191,122.191.122.191.122.191.122.191.122.193.261.122.193.261.122.193.262.194.332.194.332.194.332.194.332.194.332.194.332.184.32

0.611.160.611.161.162.271.162.271.162.271.162.271.152.261.162.273.381.162.273.381.152.263.372.274.492.274.482.264.482.274.492.274.482.264.482.254.47

0.631.210.631.21.212.361.22.351.212.361.22.351.192.341.212.363.511.22.353.51.192.343.492.364.662.354.652.344.642.364.662.354.652.344.642.334.63

0.681.30.671.31.32.551.32.541.32.551.32.541.282.531.32.553.791.32.543.781.282.533.772.555.032.545.032.535.012.555.032.545.032.535.012.54.99

φD

1

φDc φD

s

RR2

L

r θκTolerance on Corner radius : ±0.005mm (Central axis)

●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●

0.2

0.3

0.4

0.5

0.6

0.8

1

0.02

0.05

0.02

0.05

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.2

2 Flutes

Radius

0504


EPDREH2 TH3.- - -

EPDREH2010-2-002-TH3EPDREH2010-4-002-TH3EPDREH2010-6-002-TH3EPDREH2010-8-002-TH3EPDREH2010-2-005-TH3EPDREH2010-4-005-TH3EPDREH2010-6-005-TH3EPDREH2010-8-005-TH3EPDREH2010-2-01-TH3EPDREH2010-4-01-TH3EPDREH2010-6-01-TH3EPDREH2010-8-01-TH3EPDREH2010-2-02-TH3EPDREH2010-4-02-TH3EPDREH2010-6-02-TH3EPDREH2010-8-02-TH3

2468246824682468

0.8 0.94 50 4

●●●●●●●●●●●●●●●●

0.02

0.05

0.1

0.2

15°

72HRC

h5

2.184.246.318.382.184.246.318.382.174.246.318.382.174.246.318.37

2.254.396.538.672.254.396.538.672.254.396.538.672.244.386.528.66

2.334.556.778.982.334.556.768.982.334.546.768.972.314.536.758.96

2.424.727.029.322.424.727.029.322.414.717.019.312.394.696.999.29

2.62 5.1 7.59 10.07 2.61 5.09 7.58 10.07 2.6 5.08 7.57 10.06 2.57 5.06 7.55 10.03

11.04 8.8 7.32 6.26 11.08 8.83 7.34 6.27 11.16 8.88 7.37 6.29 11.3 8.97 7.43 6.34

Helix 30°

Draft angle

The effectiveunder-neck length

Interferenceangleθκ

The actual effective length in incline angles is different from Epoch Deep Radius Evolution EPDRE-ATH.Please recheck the interference area.

【Note】

× ×EPDREH-TH3 Epoch Deep Radius Evolution Hard-TH3

Product Name Outer Dia. EndShapeRe-grinding compatibility

range(mm)Item Code

Re-grinding compatibility range table

L ine Up

Carbide TH3Coated

Item code StockActual effective length

in incline angles

0.5° 1° 1.5° 3°2°

Tooldia.Dc

Cornerradius

r

Under necklengthR2

FlutelengthR

Neckdia.D1

Overalllength

L

Shankdia.Ds


Work material

Ratio to standard depth of cut

Pre-hardenedSteels

（35～45HRC）

Hardened Steels

（45～55HRC）Hardened Steels

（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)

Under necklength(mm)

Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

Please refer to P.8 about high accuracy cutting conditions

Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

0.016

0.011

0.02

0.014

0.016

0.011

0.021

0.012

0.016

0.013

0.025

0.016

0.033

0.028

0.016

0.013

0.01

0.03

0.023

0.017

0.035

0.03

0.02

0.016

0.013

0.028

0.019

0.035

0.024

0.023

0.016

0.038

0.026

0.047

0.032

0.081

0.056

550

550

550

550

550

440

550

440

620

560

620

560

620

560

620

620

470

620

620

470

620

620

470

770

590

770

590

770

590

1,110

890

1,110

890

1,110

890

1,110

890

450

450

450

450

440

360

440

360

510

460

510

460

510

460

510

510

380

510

510

380

510

510

380

640

480

640

480

640

480

900

720

900

720

900

720

900

720

37,500

37,500

37,500

37,500

36,000

29,160

36,000

29,160

28,800

28,800

28,800

28,800

28,800

28,800

28,800

28,800

23,330

28,800

28,800

23,330

28,800

28,800

23,330

28,800

23,330

28,800

23,330

28,800

23,330

30,000

30,000

30,000

30,000

30,000

30,000

30,000

30,000

42,500

42,500

42,500

42,500

40,800

33,050

40,800

33,050

32,260

32,260

32,260

32,260

32,260

32,260

32,260

32,260

26,440

32,260

32,260

26,440

32,260

32,260

26,440

32,260

26,440

32,260

26,440

32,260

26,440

34,000

34,000

34,000

34,000

34,000

34,000

34,000

34,000

710

710

710

710

730

590

730

590

790

710

790

710

790

710

790

790

630

790

790

630

790

790

630

990

790

990

790

990

790

1,410

1,130

1,410

1,130

1,410

1,130

1,410

1,130

35,000

35,000

35,000

35,000

33,600

27,220

33,600

27,220

26,730

26,730

26,730

26,730

26,730

26,730

26,730

26,730

21,770

26,730

26,730

21,770

26,730

26,730

21,770

26,730

21,770

26,730

21,770

26,730

21,770

28,000

28,000

28,000

28,000

28,000

28,000

28,000

28,000

31,500

31,500

31,500

31,500

30,240

24,490

30,240

24,490

24,050

24,050

24,050

24,050

24,050

24,050

24,050

24,050

19,600

24,050

24,050

19,600

24,050

24,050

19,600

24,050

19,600

24,050

19,600

24,050

19,600

25,200

25,200

25,200

25,200

25,200

25,200

25,200

25,200

410

410

410

410

400

320

400

320

460

410

460

410

460

410

460

460

340

460

460

340

460

460

340

570

430

570

430

570

430

810

650

810

650

810

650

810

650

320

320

320

320

310

250

310

250

360

320

360

320

360

320

360

360

270

360

360

270

360

360

270

440

330

440

330

440

330

630

510

630

510

630

510

630

510

31,880

31,880

31,880

31,880

30,600

24,790

30,600

24,790

24,480

24,480

24,480

24,480

24,480

24,480

24,480

24,480

19,830

24,480

24,480

19,830

24,480

24,480

19,830

24,480

19,830

24,480

19,830

24,480

19,830

25,500

25,500

25,500

25,500

25,500

25,500

25,500

25,500

0.5

1

0.5

1

1

2

1

2

1

2

1

2

1

2

1

2

3

1

2

3

1

2

3

2

4

2

4

2

4

2

4

2

4

2

4

2

4

0.2

0.3

0.4

0.5

0.6

0.8

0.02

0.05

0.02

0.05

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.2

0.016

0.013

0.01

0.008

0.046

0.027

0.017

0.016

0.065

0.038

0.024

0.024

0.11

0.07

0.04

0.04

1,420

1,290

1,050

930

1,420

1,290

1,050

930

1,420

1,290

1,050

930

1,420

1,290

1,050

930

1,160

1,060

860

760

1,160

1,060

860

760

1,160

1,060

860

760

1,160

1,060

860

760

29,620

27,000

21,870

19,440

29,620

27,000

21,870

19,440

29,620

27,000

21,870

19,440

29,620

27,000

21,870

19,440

33,440

30,600

24,790

22,030

33,440

30,600

24,790

22,030

33,440

30,600

24,790

22,030

33,440

30,600

24,790

22,030

1,810

1,650

1,340

1,190

1,810

1,650

1,340

1,190

1,810

1,650

1,340

1,190

1,810

1,650

1,340

1,190

27,710

25,200

20,410

18,140

27,710

25,200

20,410

18,140

27,710

25,200

20,410

18,140

27,710

25,200

20,410

18,140

24,940

22,680

18,370

16,330

24,940

22,680

18,370

16,330

24,940

22,680

18,370

16,330

24,940

22,680

18,370

16,330

1,050

950

770

680

1,050

950

770

680

1,050

950

770

680

1,050

950

770

680

810

740

600

530

810

740

600

530

810

740

600

530

810

740

600

530

25,170

22,950

18,590

16,520

25,170

22,950

18,590

16,520

25,170

22,950

18,590

16,520

25,170

22,950

18,590

16,520

2

4

6

8

2

4

6

8

2

4

6

8

2

4

6

8

① Use the appropriate coolant for the work material and machining shape.② These Recommended Cutting Conditions indicate only the rule of a thumb for the cutting conditions. In actual machining, the condition should be adjusted according to the machining shape, purpose and the machine type. ③ If the rpm of the machine is low, lower the feed rate also to put the rpm and feed rate in the same ratio.

(1) ap is shown as the criteria for Group1 workpieces. For other groups, adjust the cutting depth according to the cutting depth factors in the above table.(2) When performing cutting where cutting chips may cause clogging, such as for rib cutting, blind grooves, etc., cutting depth setting should be set by multiplying a cutting 　depth factor to calculate the cutting depth amount, and this amount should then be reduced to 80% of the calculated value.(3) Adjust by setting ae to (5 or less)×(ap)×(cutting depth ratio). When performing finishing cutting, calculate the theoretical cusp height and set accordingly.(4) The recommended slope entrance angle when engraving is 1° or less. In addition, feed rate should be adjusted to 70% or less of the values in the cutting condition table.(5) When slotting such engraving letters, adjust feed rate to 50% or less and ap to 30% or less of the values shown. In addition, cutting by reciprocal cutting is recommended.

Cutting depth setting example: When cutting rib groove contours in hardened steel (50HRC) using an EPDREH2010-2-02-TH3 tool:

【Note】

Cutting depth = 0.11 (ap) × 0.85 (cutting depth factor for Group 2 hardened steel) × 0.8 (for closed-area cutting) = 0.075mm

High efficiencycuttiing condition

High accuracy cuttiing condition

1

0.02

0.05

0.1

0.2

0706

Recommended Cutting Conditions

Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

Please refer to P.8 about high accuracy cutting conditions

Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

0.016

0.011

0.02

0.014

0.016

0.011

0.021

0.012

0.016

0.013

0.025

0.016

0.033

0.028

0.016

0.013

0.01

0.03

0.023

0.017

0.035

0.03

0.02

0.016

0.013

0.028

0.019

0.035

0.024

0.023

0.016

0.038

0.026

0.047

0.032

0.081

0.056

550

550

550

550

550

440

550

440

620

560

620

560

620

560

620

620

470

620

620

470

620

620

470

770

590

770

590

770

590

1,110

890

1,110

890

1,110

890

1,110

890

450

450

450

450

440

360

440

360

510

460

510

460

510

460

510

510

380

510

510

380

510

510

380

640

480

640

480

640

480

900

720

900

720

900

720

900

720

37,500

37,500

37,500

37,500

36,000

29,160

36,000

29,160

28,800

28,800

28,800

28,800

28,800

28,800

28,800

28,800

23,330

28,800

28,800

23,330

28,800

28,800

23,330

28,800

23,330

28,800

23,330

28,800

23,330

30,000

30,000

30,000

30,000

30,000

30,000

30,000

30,000

42,500

42,500

42,500

42,500

40,800

33,050

40,800

33,050

32,260

32,260

32,260

32,260

32,260

32,260

32,260

32,260

26,440

32,260

32,260

26,440

32,260

32,260

26,440

32,260

26,440

32,260

26,440

32,260

26,440

34,000

34,000

34,000

34,000

34,000

34,000

34,000

34,000

710

710

710

710

730

590

730

590

790

710

790

710

790

710

790

790

630

790

790

630

790

790

630

990

790

990

790

990

790

1,410

1,130

1,410

1,130

1,410

1,130

1,410

1,130

35,000

35,000

35,000

35,000

33,600

27,220

33,600

27,220

26,730

26,730

26,730

26,730

26,730

26,730

26,730

26,730

21,770

26,730

26,730

21,770

26,730

26,730

21,770

26,730

21,770

26,730

21,770

26,730

21,770

28,000

28,000

28,000

28,000

28,000

28,000

28,000

28,000

31,500

31,500

31,500

31,500

30,240

24,490

30,240

24,490

24,050

24,050

24,050

24,050

24,050

24,050

24,050

24,050

19,600

24,050

24,050

19,600

24,050

24,050

19,600

24,050

19,600

24,050

19,600

24,050

19,600

25,200

25,200

25,200

25,200

25,200

25,200

25,200

25,200

410

410

410

410

400

320

400

320

460

410

460

410

460

410

460

460

340

460

460

340

460

460

340

570

430

570

430

570

430

810

650

810

650

810

650

810

650

320

320

320

320

310

250

310

250

360

320

360

320

360

320

360

360

270

360

360

270

360

360

270

440

330

440

330

440

330

630

510

630

510

630

510

630

510

31,880

31,880

31,880

31,880

30,600

24,790

30,600

24,790

24,480

24,480

24,480

24,480

24,480

24,480

24,480

24,480

19,830

24,480

24,480

19,830

24,480

24,480

19,830

24,480

19,830

24,480

19,830

24,480

19,830

25,500

25,500

25,500

25,500

25,500

25,500

25,500

25,500

0.5

1

0.5

1

1

2

1

2

1

2

1

2

1

2

1

2

3

1

2

3

1

2

3

2

4

2

4

2

4

2

4

2

4

2

4

2

4

0.2

0.3

0.4

0.5

0.6

0.8

0.02

0.05

0.02

0.05

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.2

0.016

0.013

0.01

0.008

0.046

0.027

0.017

0.016

0.065

0.038

0.024

0.024

0.11

0.07

0.04

0.04

1,420

1,290

1,050

930

1,420

1,290

1,050

930

1,420

1,290

1,050

930

1,420

1,290

1,050

930

1,160

1,060

860

760

1,160

1,060

860

760

1,160

1,060

860

760

1,160

1,060

860

760

29,620

27,000

21,870

19,440

29,620

27,000

21,870

19,440

29,620

27,000

21,870

19,440

29,620

27,000

21,870

19,440

33,440

30,600

24,790

22,030

33,440

30,600

24,790

22,030

33,440

30,600

24,790

22,030

33,440

30,600

24,790

22,030

1,810

1,650

1,340

1,190

1,810

1,650

1,340

1,190

1,810

1,650

1,340

1,190

1,810

1,650

1,340

1,190

27,710

25,200

20,410

18,140

27,710

25,200

20,410

18,140

27,710

25,200

20,410

18,140

27,710

25,200

20,410

18,140

24,940

22,680

18,370

16,330

24,940

22,680

18,370

16,330

24,940

22,680

18,370

16,330

24,940

22,680

18,370

16,330

1,050

950

770

680

1,050

950

770

680

1,050

950

770

680

1,050

950

770

680

810

740

600

530

810

740

600

530

810

740

600

530

810

740

600

530

25,170

22,950

18,590

16,520

25,170

22,950

18,590

16,520

25,170

22,950

18,590

16,520

25,170

22,950

18,590

16,520

2

4

6

8

2

4

6

8

2

4

6

8

2

4

6

8




【Note】



High accuracy cuttiing condition

1

0.02

0.05

0.1

0.2

0706


Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

Please refer to P.6 about high efficiency cutting conditions

0.016

0.011

0.02

0.014

0.016

0.011

0.021

0.012

0.016

0.013

0.025

0.016

0.033

0.028

0.016

0.013

0.01

0.03

0.023

0.017

0.035

0.03

0.02

0.016

0.013

0.028

0.019

0.035

0.024

0.023

0.016

0.038

0.026

0.047

0.032

0.081

0.056

180

180

180

180

340

300

340

300

320

290

320

290

320

290

380

380

320

380

380

320

380

380

320

390

280

390

280

390

280

400

320

400

320

400

320

400

320

160

160

160

160

320

290

320

290

270

240

270

240

270

240

320

320

260

320

320

260

320

320

260

320

230

320

230

320

230

360

290

360

290

360

290

360

290

50,000

50,000

50,000

50,000

50,000

45,000

50,000

45,000

40,000

36,000

40,000

36,000

40,000

36,000

30,000

30,000

27,000

30,000

30,000

27,000

30,000

30,000

27,000

28,200

23,600

28,200

23,600

28,200

23,600

20,000

20,000

20,000

20,000

20,000

20,000

20,000

20,000

50,000

50,000

50,000

50,000

50,000

45,000

50,000

45,000

50,000

45,000

50,000

45,000

50,000

45,000

40,000

40,000

36,000

40,000

40,000

36,000

40,000

40,000

36,000

37,830

27,800

37,830

27,800

37,830

27,800

28,000

28,000

28,000

28,000

28,000

28,000

28,000

28,000

210

210

210

210

460

420

460

420

460

410

460

410

460

410

460

460

410

460

460

410

460

460

410

600

440

600

440

600

440

650

520

650

520

650

520

650

520

50,000

50,000

50,000

50,000

50,000

45,000

50,000

45,000

36,000

34,000

36,000

34,000

36,000

34,000

28,000

28,000

24,500

28,000

28,000

24,500

28,000

28,000

24,500

23,000

21,000

23,000

21,000

23,000

21,000

20,000

20,000

20,000

20,000

20,000

20,000

20,000

20,000

45,000

45,000

45,000

45,000

45,000

40,500

45,000

40,500

32,400

30,600

32,400

30,600

32,400

30,600

25,200

25,200

22,050

25,200

25,200

22,050

25,200

25,200

22,050

20,700

18,900

20,700

18,900

20,700

18,900

18,000

18,000

18,000

18,000

18,000

18,000

18,000

18,000

140

140

140

140

290

260

290

260

240

220

240

220

240

220

280

280

230

280

280

230

280

280

230

290

210

290

210

290

210

320

260

320

260

320

260

320

260

110

110

110

110

220

200

220

200

190

170

190

170

190

170

220

220

180

220

220

180

220

220

180

220

160

220

160

220

160

250

200

250

200

250

200

250

200

42,500

42,500

42,500

42,500

42,500

38,250

42,500

38,250

30,600

28,900

30,600

28,900

30,600

28,900

23,800

23,800

20,830

23,800

23,800

20,830

23,800

23,800

20,830

19,550

17,850

19,550

17,850

19,550

17,850

17,000

17,000

17,000

17,000

17,000

17,000

17,000

17,000

0.5

1

0.5

1

1

2

1

2

1

2

1

2

1

2

1

2

3

1

2

3

1

2

3

2

4

2

4

2

4

2

4

2

4

2

4

2

4

0.2

0.3

0.4

0.5

0.6

0.8

0.02

0.05

0.02

0.05

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.2

0.016

0.013

0.01

0.008

0.046

0.027

0.017

0.016

0.065

0.038

0.024

0.024

0.11

0.07

0.04

0.04

960

820

660

590

960

820

660

590

960

820

660

590

960

820

660

590

800

670

540

480

800

670

540

480

800

670

540

480

800

670

540

480

26,730

24,300

19,680

17,500

26,730

24,300

19,680

17,500

26,730

24,300

19,680

17,500

26,730

24,300

19,680

17,500

30,290

27,540

22,310

19,830

30,250

28,920

24,540

19,830

30,290

27,540

22,310

19,830

30,290

27,540

22,310

19,830

1,210

1,040

840

750

1,210

1,130

930

750

1,210

1,040

840

750

1,210

1,040

840

750

24,950

22,680

18,370

16,330

24,950

22,680

18,370

16,330

24,950

22,680

18,370

16,330

24,950

22,680

18,370

16,330

22,450

20,410

16,530

14,700

22,450

20,410

16,530

14,700

22,450

20,410

16,530

14,700

22,450

20,410

16,530

14,700

720

600

490

430

720

600

490

430

720

600

490

430

720

600

490

430

560

470

380

340

560

470

380

340

560

470

380

340

560

470

380

340

21,210

19,280

15,620

13,880

21,210

19,280

15,620

13,880

21,210

19,280

15,620

13,880

21,210

19,280

15,620

13,880

2

4

6

8

2

4

6

8

2

4

6

8

2

4

6

8

0.02

0.05

0.1

0.2




【Note】




High accuracycuttiing condition

Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

1

0908

Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

Please refer to P.6 about high efficiency cutting conditions

0.016

0.011

0.02

0.014

0.016

0.011

0.021

0.012

0.016

0.013

0.025

0.016

0.033

0.028

0.016

0.013

0.01

0.03

0.023

0.017

0.035

0.03

0.02

0.016

0.013

0.028

0.019

0.035

0.024

0.023

0.016

0.038

0.026

0.047

0.032

0.081

0.056

180

180

180

180

340

300

340

300

320

290

320

290

320

290

380

380

320

380

380

320

380

380

320

390

280

390

280

390

280

400

320

400

320

400

320

400

320

160

160

160

160

320

290

320

290

270

240

270

240

270

240

320

320

260

320

320

260

320

320

260

320

230

320

230

320

230

360

290

360

290

360

290

360

290

50,000

50,000

50,000

50,000

50,000

45,000

50,000

45,000

40,000

36,000

40,000

36,000

40,000

36,000

30,000

30,000

27,000

30,000

30,000

27,000

30,000

30,000

27,000

28,200

23,600

28,200

23,600

28,200

23,600

20,000

20,000

20,000

20,000

20,000

20,000

20,000

20,000

50,000

50,000

50,000

50,000

50,000

45,000

50,000

45,000

50,000

45,000

50,000

45,000

50,000

45,000

40,000

40,000

36,000

40,000

40,000

36,000

40,000

40,000

36,000

37,830

27,800

37,830

27,800

37,830

27,800

28,000

28,000

28,000

28,000

28,000

28,000

28,000

28,000

210

210

210

210

460

420

460

420

460

410

460

410

460

410

460

460

410

460

460

410

460

460

410

600

440

600

440

600

440

650

520

650

520

650

520

650

520

50,000

50,000

50,000

50,000

50,000

45,000

50,000

45,000

36,000

34,000

36,000

34,000

36,000

34,000

28,000

28,000

24,500

28,000

28,000

24,500

28,000

28,000

24,500

23,000

21,000

23,000

21,000

23,000

21,000

20,000

20,000

20,000

20,000

20,000

20,000

20,000

20,000

45,000

45,000

45,000

45,000

45,000

40,500

45,000

40,500

32,400

30,600

32,400

30,600

32,400

30,600

25,200

25,200

22,050

25,200

25,200

22,050

25,200

25,200

22,050

20,700

18,900

20,700

18,900

20,700

18,900

18,000

18,000

18,000

18,000

18,000

18,000

18,000

18,000

140

140

140

140

290

260

290

260

240

220

240

220

240

220

280

280

230

280

280

230

280

280

230

290

210

290

210

290

210

320

260

320

260

320

260

320

260

110

110

110

110

220

200

220

200

190

170

190

170

190

170

220

220

180

220

220

180

220

220

180

220

160

220

160

220

160

250

200

250

200

250

200

250

200

42,500

42,500

42,500

42,500

42,500

38,250

42,500

38,250

30,600

28,900

30,600

28,900

30,600

28,900

23,800

23,800

20,830

23,800

23,800

20,830

23,800

23,800

20,830

19,550

17,850

19,550

17,850

19,550

17,850

17,000

17,000

17,000

17,000

17,000

17,000

17,000

17,000

0.5

1

0.5

1

1

2

1

2

1

2

1

2

1

2

1

2

3

1

2

3

1

2

3

2

4

2

4

2

4

2

4

2

4

2

4

2

4

0.2

0.3

0.4

0.5

0.6

0.8

0.02

0.05

0.02

0.05

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.02

0.05

0.1

0.2

0.016

0.013

0.01

0.008

0.046

0.027

0.017

0.016

0.065

0.038

0.024

0.024

0.11

0.07

0.04

0.04

960

820

660

590

960

820

660

590

960

820

660

590

960

820

660

590

800

670

540

480

800

670

540

480

800

670

540

480

800

670

540

480

26,730

24,300

19,680

17,500

26,730

24,300

19,680

17,500

26,730

24,300

19,680

17,500

26,730

24,300

19,680

17,500

30,290

27,540

22,310

19,830

30,250

28,920

24,540

19,830

30,290

27,540

22,310

19,830

30,290

27,540

22,310

19,830

1,210

1,040

840

750

1,210

1,130

930

750

1,210

1,040

840

750

1,210

1,040

840

750

24,950

22,680

18,370

16,330

24,950

22,680

18,370

16,330

24,950

22,680

18,370

16,330

24,950

22,680

18,370

16,330

22,450

20,410

16,530

14,700

22,450

20,410

16,530

14,700

22,450

20,410

16,530

14,700

22,450

20,410

16,530

14,700

720

600

490

430

720

600

490

430

720

600

490

430

720

600

490

430

560

470

380

340

560

470

380

340

560

470

380

340

560

470

380

340

21,210

19,280

15,620

13,880

21,210

19,280

15,620

13,880

21,210

19,280

15,620

13,880

21,210

19,280

15,620

13,880

2

4

6

8

2

4

6

8

2

4

6

8

2

4

6

8

0.02

0.05

0.1

0.2




【Note】




High accuracycuttiing condition

Work material


Pre-hardenedSteels

（35～45HRC）

Hardened Steels


（55～65HRC）

Tool dia.Dc(mm)

Cornerradius

(mm)

ap(mm)


Hardened Steels

（68～72HRC）100% 85% 80% 65%

Hardened Steels

（65～68HRC）55%

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

Revolutionn

min-1

Feed ratev f

mm/min

1 2 3 4 5

1

0908

1110

Tool wear after 60 minutes machining of STAVAX (52 HRC). Application for vertical wall finishing.

Tool wear after 66 minutes machining of PD613 (58 HRC).

Comparison of wall surface finishing accuracy PD613 (58HRC)

EPDREH-TH3 Conventional 4flutesradius end mill


Conventional 2flutesradius end mill

Flank wear 19μm

Flank wear 43μm Flank wear 65μm


Tool size ：φ1（r0.05） Under neck length 2mmWork material ：STAVAX (52HRC)Machine ：Vertical MC (HSK-F63)Cutting method ：Flat machiningCutting conditions ：n=28,662min-1

(vc=90m/min) vf=1,376mm/min （2flutes：fz=0.024mm/t）　　　　　（4flutes：fz=0.012mm/t) ap0.02mm ae 0.1mm　　　　　 Dry（Air blow）

Tool size ：φ0.8（r0.05）Under neck length 2mmWork material ：PD613（58HRC）Machine ：Vertical MC (HSK-F63)Cutting method ：Contour pocketing (Pocket size：10×10×0.5mm)Cutting conditions ：n=23,000min-1(vc=58m/min) vf=700mm/min (fz=0.015mm/t) ap0.02mm ae 0.16mm Mist blow

Tool size ：φ0.8（r0.2）Under neck length 4mmWork material ：PD613（58HRC）　 Machine ：Vertical MC (HSK-E25)Cutting conditions ：n=23,000min-1 (vc=57.8m/min) vf=600mm/min（2flutes fz=0.013mm/t, 4flutes fz=0.0065mm/t） ap0.015mm ae0.05mm Mist blow　

0.05mm

0.1mm

Wear is less than half of conventional tools by the effect of TH3. Excellent wear even under the same cutting conditions as a 4-flute end mill.

Performs superior wear resistance in high hardness steel machining compared to conventional tools.

Reduces cutting remain approx. 60% compared to conventional tools

20mm 19.6mm 4mm4mm

Incline angle : 0° (Vertical wall)

EPDREH-TH3

6.0

16.5

0.85

4.0

Conventional2flutes radius end mill

EPDREH-TH3 Conventional


30

25

20

15

10

5

0Cut

ting

rem

ain

per o

ne s

ide

on v

ertic

al w

all

(μm

)

10

5

0

Cut

ting

rem

ain

of m

achi

ned

verti

cal w

all

(μm

)

16.5

※Finishing allowance : 0.05mm Figure Machining shape

FInishing time : 10min

Machine : Vertical MC(HSK-E32), Work material: STAVAX(52HRC) Coolant : Mist blow

Process

Rouging

Semi-finishing

FInishing

Tools

EHHRE6040-S6-TH3

EPDREH2008-2-005-TH3


4

0.8

0.8

0.397

0.05

0.05

3

2.5

2.5

6

2

2

6,400

25,000

25,000

80

63

63

3,840

800

800

0.1

0.016

0.016

0.04

0.03

0.03

2.8

0.25

0.1

0.1

0.03

0

56min

177min

124min

Tooldia.

Cornerradius

L/D No. offlutes

Finishingallowance

(mm)

Machiningtimen

(min-1)vc

(m/min)v f

(mm/min)fz

(mm/t)ap

(mm)ae

(mm)

■ Measurement result of convex part (After machining 20 pieces)※Set CAM with nominal diameter

Work shape

（Unit：mm）

For high-precision machining

※Set CAM with nominal diameter



For high-precision machining,it is necessary to measure

the tool diameter and input themeasured value to CAM.

High precision machining is possibleby inputting nominal diameter to CAM.

Cutting remain should increaseif the measured value is not input to CAM.

R accuracy based on tool center axis reduces cutting remain than conventional tools.

PointEPDREH-TH3 enables high precision finishing even inputting nominal diameter to CAM since corner R accuracy is guaranteed with basis of tool center axis as same as ball end mill.

←Target ←Target

4555

Convex part ：5.0×9.0×1.9mm

Measurement point

1.9

9.0 5.0

EPDREH-TH3 reduces the cutting remain,and enables high-precision machining close to the target dimensions.

Field data

1110

Tool wear after 60 minutes machining of STAVAX (52 HRC). Application for vertical wall finishing.

Tool wear after 66 minutes machining of PD613 (58 HRC).

Comparison of wall surface finishing accuracy PD613 (58HRC)



Conventional 2flutesradius end mill

Flank wear 19μm



Tool size ：φ1（r0.05） Under neck length 2mmWork material ：STAVAX (52HRC)Machine ：Vertical MC (HSK-F63)Cutting method ：Flat machiningCutting conditions ：n=28,662min-1

(vc=90m/min) vf=1,376mm/min （2flutes：fz=0.024mm/t）　　　　　（4flutes：fz=0.012mm/t) ap0.02mm ae 0.1mm　　　　　 Dry（Air blow）

Tool size ：φ0.8（r0.05）Under neck length 2mmWork material ：PD613（58HRC）Machine ：Vertical MC (HSK-F63)Cutting method ：Contour pocketing (Pocket size：10×10×0.5mm)Cutting conditions ：n=23,000min-1(vc=58m/min) vf=700mm/min (fz=0.015mm/t) ap0.02mm ae 0.16mm Mist blow

Tool size ：φ0.8（r0.2）Under neck length 4mmWork material ：PD613（58HRC）　 Machine ：Vertical MC (HSK-E25)Cutting conditions ：n=23,000min-1 (vc=57.8m/min) vf=600mm/min（2flutes fz=0.013mm/t, 4flutes fz=0.0065mm/t） ap0.015mm ae0.05mm Mist blow　

0.05mm

0.1mm

Wear is less than half of conventional tools by the effect of TH3. Excellent wear even under the same cutting conditions as a 4-flute end mill.

Performs superior wear resistance in high hardness steel machining compared to conventional tools.

Reduces cutting remain approx. 60% compared to conventional tools

20mm 19.6mm 4mm4mm

Incline angle : 0° (Vertical wall)

EPDREH-TH3

6.0

16.5

0.85

4.0


EPDREH-TH3 Conventional


30

25

20

15

10

5

0Cut

ting

rem

ain

per o

ne s

ide

on v

ertic

al w

all

(μm

)

10

5

0

Cut

ting

rem

ain

of m

achi

ned

verti

cal w

all

(μm

)

16.5

※Finishing allowance : 0.05mm Figure Machining shape

FInishing time : 10min

Machine : Vertical MC(HSK-E32), Work material: STAVAX(52HRC) Coolant : Mist blow

Process

Rouging

Semi-finishing

FInishing

Tools

EHHRE6040-S6-TH3



4

0.8

0.8

0.397

0.05

0.05

3

2.5

2.5

6

2

2

6,400

25,000

25,000

80

63

63

3,840

800

800

0.1

0.016

0.016

0.04

0.03

0.03

2.8

0.25

0.1

0.1

0.03

0

56min

177min

124min

Tooldia.

Cornerradius

L/D No. offlutes

Finishingallowance

(mm)

Machiningtimen

(min-1)vc

(m/min)v f

(mm/min)fz

(mm/t)ap

(mm)ae

(mm)

■ Measurement result of convex part (After machining 20 pieces)※Set CAM with nominal diameter

Work shape

（Unit：mm）

For high-precision machining

※Set CAM with nominal diameter



For high-precision machining,it is necessary to measure

the tool diameter and input themeasured value to CAM.

High precision machining is possibleby inputting nominal diameter to CAM.

Cutting remain should increaseif the measured value is not input to CAM.

R accuracy based on tool center axis reduces cutting remain than conventional tools.

PointEPDREH-TH3 enables high precision finishing even inputting nominal diameter to CAM since corner R accuracy is guaranteed with basis of tool center axis as same as ball end mill.

←Target ←Target

4555

Convex part ：5.0×9.0×1.9mm

Measurement point

1.9

9.0 5.0

EPDREH-TH3 reduces the cutting remain,and enables high-precision machining close to the target dimensions.

Field data

EPDREH-TH3Epoch Deep Radius Evolution Hard-TH3

Radius End Mill for Hardened Steel

New Produc t News No.1903E-1 2020-4

2020-4（K）2019-5:FP

Attentions on Safety

2. Cautions regarding mounting(1) Before use, check the outside appearance of the tool for scratches, cracks, etc. and that it is firmly mounted in the collet chuck, etc.(2) If abnormal chattering, etc. occurs during use, stop the machine immediately and remove the cause of the chattering.

4. Cautions regarding regrinding(1) If regrinding is not performed at the proper time, there is a risk of the tool breaking. Replace the tool with one in good condition, or perform regrinding.(2) Grinding dust will be created when regrinding a tool. When regrinding, be sure to attach a safety cover over the work area and wear safety clothes such as safety

goggles, etc.(3) This product contains the specified chemical substance cobalt and its inorganic compounds. When performing regrinding or similar processing, be sure to handle the

processing in accordance with thelocal laws and regulations regarding prevention of hazards due to specified chemical substances.

1. Cautions regarding handling(1) When removing the tool from its case (packaging), be careful that the tool does not pop out or is dropped. Be particularly careful regarding contact with the tool flutes. (2) When handling tools with sharp cutting flutes, be careful not to touch the cutting flutes directly with your bare hands.

3. Cautions during use(1) Before use, confirm the dimensions and direction of rotation of the tool and milling work material.(2) The numerical values in the standard cutting conditions table should be used as criteria when starting new work. The cutting conditions should be adjusted as

appropriate when the cutting depth is large, the rigidity of the machine being used is low, or according to the conditions of the work material.(3) Cutting tools are made of a hard material. During use, they may break and fly off. In addition, cutting chips may also fly off. Since there is a danger of injury to

workers, fire, or eye damage from such flying pieces, a safety cover should be attached when work is performed and safety equipment such as safety goggles should be worn to create a safe environment for work.

(4) There is a risk of fire or inflammation due to sparks, heat due to breakage, and cutting chips. Do not use where there is a risk of fire or explosion. Please caution of fire while using oil base coolant, fire prevention is necessary.

(5) Do not use the tool for any purpose other than that for which it is intended.

Specifications for the products listed in this catalog are subject to change without notice due to replacement or modification. Printed in JAPAN

Printed using vegetable oil ink.

The diagrams and table data are examples of test results, and are not guaranteed values.“ ” is registered trademarks of MOLDINO Tool Engineering, Ltd.

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Radius End Mill for Hardened Steel EPDREH-TH3...Radius End Mill for Hardened Steel w s No.1903E-1 2020-4 2020-4（K） 2019-5:FP Attentions on Safety 2. Cautions regarding mounting