Diamond

ILJIN DIAMOND Co., Ltd.

IRD seriesIljin Resin & Vitrified bond Dia-mond

Diamond

IRD - series

Application Tungsten Carbide, WC/Steel, Ceramic Grind-ing PCBN, PCD, WC Tool Grinding Granite Tile Grinding Resin Bond Wheel Vitrified Bond Wheel

Physical Properties Bare Diamond Density : 3.52g/cc 30wt% Nickel Coated Density : 4.22g/cc 56wt% Nickel Coated Density : 5.20g/cc

Available Mesh Size From 80/100 to 400/500

56wt% Nickel Coat-ing

30wt% Nickel Coat-ing

IRD-III

IRD-F

IRD-II

Diamond

Toughness Index

0

10

20

30

40

50

60

70

60/ 70 80/ 100 120/ 140 170/ 200 230/ 270 325/ 400

IRD-F

IRDⅡ

IRDⅢ

TI valu

e

Mesh Size

Comparison of tough-ness

Mesh size 140/170 230/270 325/400

IRD-F 20.0 30.0 43.0

PDA-211 22.0 27.0 25.8

RVG-810 23.4 28.8 42.3

PDA-321 27.4 32.0 34.8

IRDⅡ 37.0 41.0 48.0

RVG 40.0 43.8 50.0

IRDⅢ 40.0 47.0 53.0

Diamond

Crystal Shape

Poly vs Single crystal

(140/170mesh)

IRD-II

IRD-III

IRD-F

IRD-H

10%

27%48%

95%

90%

73%

52%

5%

IRD-F IRDⅡ IRDⅢ IRD-H

Single Crystal

Poly Crystal

Diamond

RVG-810 PDA-211

IRD-F

Morphology (IRD-F)

Diamond

Forma

RVG

SinglePoly

Du

rezz

aTe

nace

Fri

ab

ile

CSG

RVG-810

SPR

RVG-800PDA-321

PDA-211

IRD-II

IRD-III

IRD-F

IRD-HWC+ Steel

Cermets, Ceramics

PDA-433

PDA-446

WC, PCD/PCBN

PDA-311

WC + PCD

Applicazioni

Diamond

Products Metal wt % Density (g/cc)

IRD-II, III, F, H - 3.52

IRD-II N30Nickel 30 % 4.22

IRD-III N30

IRD-II N56

Nickel 56 % 5.20IRD-III N56

IRD-FN

IRD-HN

Net (ct) Gross (ct)

1,000 1,000

1,000 1,429

1,000 2,273

Coated IRD

Item N NS New coating

Element Ni Ni Cu, Ag..

Morphology Cluster Spiky Cluster

Metal Weight % 30, 56, 60 56 50

Available mesh size 80/100 ~ 400/500 80/100 ~ 400/500 80/100 ~ 400/500

Products

Nickel coatings

Diamond

Cluster typeCluster type

Spiky typeSpiky type

N coating & NS coating

N

NS

IRD II N56 IRD II N56

IRD II NS56 IRD II NS56

Diamond

80/100 D181 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

100/120 D151 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

120/140 D126 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

140/170 D107 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

170/200 D91 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

200/230 D76 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

230/270 D64 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

270/325 D54 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

325/400 D46 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

400/500 D40 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎

US MESH FEPA

IRD Ⅱ IRD III IRD-F IRD-H

BARE N30 N56 BARE N30 N56 BARE N BARE N

Available size

Diamond

Case Study

Diamond

100%95%

98%

111%104%

100%

51% 50%43%

31%

IRD II-N56 IRD III-N56 RVG-W IRV-NP PDA-311NX

G-ratio

Power Performance

Tungsten Carbide Grinding

Area Korea

Industry

Part Name

Operation Surface Grinding

Workpiece Material

P20E (Tool Grade, HRc 76~78, WC 2 ㎛ )51WC-8(2TaC-1NbC)-32(7WC-3TiC)-9Co

Wheel Spe-cific

Resin (Phenol)1A1, Φ150mm, Concentration 100

Diamond & cBN

170/200

Process Pa-rameters

Wheel Vs : 1,696m/min (28.3m/s)Table speed : 14m/minDepth of cut : 0.025mmFeed rate : 80m/min

Results

Remark

Diamond

143%

113%101%100% 100% 100%

G-ratio Removal Rate Power

IRD-II N56 IRD-III N56

Tungsten Carbide Die Grind-ingArea Korea

Industry

Part Name Die

Operation Cylindrical Grinding

Workpiece Material

WC + 13%Co, Φ320mm

Wheel Spe-cific

Resin (Polyimide)1A1, Φ305mm

Diamond & cBN

IRD-III N56 140/170

Process Pa-rameters

Wheel Vs : 1,500m/minWorkpiece Vs : 30~38m/minDepth of cut : 0.07mmFeed rate : 40m/min

Results

Remark

Diamond

100%

111%

100%

78%

IRD II-N56 RVG-W

G-ratio

Power Performance

Tungsten Carbide Die Grind-ing

Area Korea

Industry

Part Name Die

Operation Cylindrical Grinding

Workpiece Material

WC + 13%Co, Φ320mm

Wheel Spe-cific

Resin (Phenol)1A1, Φ305mm

Diamond & cBN

IRD-III N56 140/170

Process Pa-rameters

Wheel Vs : 1,724m/minWorkpiece Vs : 32.2m/minDepth of cut : 0.05mmFeed rate : 80m/min

Results

Remark

Diamond

IRD III-N56 PDA-321 N55 RVG-W50

75

100

125

150

175

Gri

nd

ing

Ra

tio

Customer Test Result

0 2 4 6 8 10 1220

30

40

50

60

70

80

IRD III-N56 PDA-321 N55 RVG-W

Grin

ding

For

ce (

N)

The amount of accumulated material removal (cm 3

)

Area Japan

Industry

Part Name

Operation Traverse Grinding

Workpiece Material

Tungsten Carbide (K-20)

Wheel Spe-cific

Resin (Phenol)175D – 3X – 6T – 50.8H

Diamond & cBN

IRD-III 230/270

Process Pa-rameters

Wheel Speed Vs : 1,540m/minDepth a : 0.020mmTable Speed F : 10m/min

Results

Remark

Diamond

PCD Insert Grinding

Area Korea

Industry

Part Name PCD Insert

Operation Tool Grinding

Workpiece Material

PCD (coarse Grade)

Wheel Spe-cific

Vitrified

Diamond & cBN

IRD-II, IRD-III 400/500

Process Pa-rameters

Wheel Speed= 1,800rpmDepth a= 1.5mm/minTable Speed F=N/A

ResultsIRD-III : Long tool lifeIRD-II : High grinding speed & low chip-ping

Remark

31

25

22

30

15

2019

15

18

STD IRD-II IRD-III

Wheel Wear (um/ea) Grinding Speed (sec/ea)

Chipping (um)

Diamond

Customer Performance Test

Area Japan

Industry

Part Name

Operation Plunge Grinding

Workpiece Material

Tungsten Carbide

Wheel Spe-cific

Resin (Phenol)175D – 3X – 6T

Diamond & cBN

IRD-FN 230/270 vs. RVG890

Process Pa-rameters

Wheel Vs = 1,540m/minDepth a=0.02mm/path Table Speed F=10m/min

Results

Remark

0 5 10 1530

40

50

60

70

Grin

ding

For

ce (

N)

Volume Removed (cm 3 )

IRD-FN

RVG 890

50

100

150

200

RVG-890IRD-FN

Grin

ding

Rat

io

Diamond

Customer Performance TestArea Japan

Industry

Part Name Tungsten Carbide

OperationMachine : Okamoto PSG52DXVertical

Workpiece Material

Tungsten Carbide (K20)120*100*4mm

Wheel SpecificResinΦ150-8U-Φ50.8H, SDC140N100BS40

Diamond & cBN

IRD-III N56 140/170* Competitor : PDA311N55

Process Pa-rameters

Wheel Vs = 1600m/minDepth a=0.02mm/path Traverse speed F=15m/minCoolant = Chemical solution 5%

Results

연삭저항 : 정상상태에서 IRD-III 가 기존품(standard) 대비 10% 높다 .휠마모 : 연삭비로 IRD-III 가 50% 높다표면조도 : IRD-III 가 25% 작다가공후 지립관찰 IRD-III 의 파쇄 지립이 적다

Remark

Diamond

Cermet Grinding (Cu Coating)

52

100

144

Competitive IRD-C50

97

치수변화 Wheel WearGrinding Power

Area Japan

Industry Cutting Tool

Part Name Cermet Insert

OperationTool Grinding AP-50 (WAIDA MFG Co., Ltd)

Workpiece Ma-terial

High Toughness Cermet (TNMA331)

Wheel SpecificResin BondCup Wheel Type

Diamond & cBN

IRD-C50

Process Pa-rameters

Wheel Vs = 1500m/minTraverse Speed : 10mm/min

Results

10 개의 Tip 가공 . #1~#10 가공 시 , 연삭력이 저하되면서 Δ(d0-d) 가 증가함 . 기존 Cu 코팅 사용 Wheel 은 Δ 가 지속적으로 증가하지만 , 당사 Cu 코팅 사용시 Δ 가 거의 없이 , 일정한 연삭력 유지

Remark

#1: d=A#2: d+ Δ(d2-d)=B#3: d+ Δ(d3-d2)=C…#10: d+ Δ(d10-d9)=J

A<B<C<…<J A≒B≒C≒ … ≒J

Δd

Δd

Competitor IRD-C50