KOHER GRADE INFORMATION

PCD GRADE

 

KP01E  [<1㎛]

  • Super fine grade provides stable wear-resistance

  • For precision machining of non-ferrous metals and non-metals

  • Low silicon aluminum alloy & Titanium machining

KP05  [6㎛]

  • General purpose with fine surface finishing

  • Graphite, Copper alloy

  • Wood composites

KP10  [10㎛]

  • Good wear resistance and toughness.

  • General use, high speed cutting of aluminum alloy

  • < 14% silicon aluminum alloy

KPC  [25㎛]

  • Higher wear resistance and impact resistance

  • Suitable for hard to cut materials with wear

  • > 14% silicon aluminum alloy

  • Sintered tungsten carbide

KPM  [4+25㎛]

  • Higher impact and wear resistance

  • Bi-modal mixed grain structure

  • Stone sawing

  • > 14% silicon aluminum alloy

CBN GRADE  [Low-content]

 

KB404

For continuous hard turning process which causes heat and wear problem.

Suitable for both wet and dry process.

Type

NX

Content

Grain Size

40%

2-3 ㎛

Binder

TiCN

Application

Continous

KB504

For continuous hard turning process which causes heat and wear problem.

Type

NX

Content

Grain Size

50%

1-4 ㎛

Binder

TiCN

Application

Continous

KB601

Optimized for light interrupted cut.

Type

NX / HS / TS

Content

Grain Size

60-65%

1 ㎛

Binder

TiCN

Application

General

KB604

For continuous to medium cut of hardened steel with superior flank wear resistant.

Type

NX

Content

Grain Size

60-65%

2-4 ㎛

Binder

TiCN

Application

General

KB620

For high speed interrupted cut.

Type

NX / HS / TS

Content

Grain Size

60%

2 ㎛

Binder

TiCN

Application

General / Light to Heavy Interrupted

* KOHER is continuously developing New CBN grades for our customers, please contact us for further information.

CBN GRADE  [Coated Low-content Half Solid CBN ]

KB500A

Super outstanding performance on Continuous Hard turning grade with high heat resistance. 

Type

HS

Content

Grain Size

50%

1.5 ㎛

Binder

TiC

Application

Continuous to lightly Interrupted

KB650A

Light to Heavy interrupted hard turning and milling grade. Half solid type of CBN grade provides excellent tool life with great impact resistance.

Type

HS

Content

Grain Size

65%

-

Binder

TiC/TiN

Application

Mid ~ Heavy Interrupted

 

CBN GRADE  [High-content for cast iron]

KB902

For interrupted cut of cast iron / sintered alloy machining process.

Type

NX

Content

Grain Size

90%

1

Binder

TiCN

Application

general

KB951

For continuous to medium cut of cast iron / sintered alloy with good wear resistant.

Type

NX

Content

Grain Size

95%

3 ㎛

Binder

Titanium alloy

Application

general

KB952

For rough or semi-finishing process of cast iron / sintered alloy turning and milling process.

Type

NX

Content

Grain Size

95%

3 ㎛

Binder

Titanium alloy

Application

general, semi-finishing

 

CBN INSERT CORNER TYPE

* A following number after type (e.g. TNAGA160408N"1" or TNGA160408HS"1" or TNGA160408TS"2") means the number of cutting edges.

  • N Type : KB404 / KB504 / KB601 / KB604 / KB620 / KB902 / KB951 / KB952

  • HS Type : KB500 / KB650 / KB601 / KB620

  • TS Type : KB601 / KB620

  • Solid Type : KB902S / KB951S / KB952S / KB601S

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