Zhengzhou Halnn Superhard Materials Co., Ltd
5 1

Indexable Solid Cubic Boron Nitride , Rough Machining Truck Brake Drum

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Zhengzhou Halnn Superhard Materials Co., Ltd
[China]

Address
No.11, Road Changchun,Zhengzhou,Henan,China Zhengzhou Henan
Phone
86-0371-18695866134
Contact name
Angels

Quick Information

  • Brand Name: Halnn
  • Place of Origin: China
  • Model Number : WNMN080408/WNGN080412

Description

 

WNMN08/WNGN/WNGA Indexable CBN Inserts Rough Machining Truck Brake Drum


 

1. Halnn CBN Grade for machining Truck Brake Drum BN-S30 and BNK30

 

Insert Grade

Suited Materials Machining Type Typical Application
BN-S30 Gray Cast Iron,Grey Cast Iron Roughing,Semi-Finishing Brake Drum,Cast Iron Engine,Gearbox, Cylinder Liner
BNK30

Roughing,Finishing


 

2. BN-S300/BNK30 Indexable CBN Inserts Cutting Conditions

 

Halnn CBN Grade CBN Content Granularity (μm) Cutting Depth Cutting Condition
BN-S30 85% 8~12 1~10 mm

Continuous

BNK30 97% 2~4 ≤1.5 mm

Continuous

 

 

3. Common Indexable CBN Inserts Models for machining brake drum

 

 WNMN/WNGN Indexable CBN Inserts


Type
Dimension

 

Standard Chamfer

Grades

 

Corresponding tool holder

L(mm) φI.C(mm) S(mm) r(mm) BN-S30 BNK30
WNMN080404 8 12.7 4.76 0.4

S01015

S01020

S02020

S02025

CWLNR/L
WNMN080408 8 12.7 4.76 0.8
WNMN080412 8 12.7 4.76 1.2
WNMN080604 8 12.7 6.35 0.4
WNMN080608 8 12.7 6.35 0.8
WNMN080612 8 12.7 6.35 1.2

 

 WNMN/WNGN Indexable CBN Inserts


Type
Dimension

 

Standard Chamfer

Grades
L(mm) φI.C(mm) φd(mm) S(mm) r(mm) BNK30 BN-S30
WNGA080404 08 12.7 5.16 4.76 0.4

S01015

S01020

S02020

S02025

WNGA080408 08 12.7 5.16 4.76 0.8
WNGA080412 08 12.7 5.16 4.76 1.2

 

4.Application Case

 

BNK30 CNGN120416 Indexable cbn inserts machining brake drum
Component Materials FC250 (GG250),HB180~241
Selected Halnn CBN Inserts BNK30 CNGN120416
Roughness requirements Ra3.2
Testing Performance
Insert Materials

Cutting Speeds

Vc(m/min)

Feed Rate Fr(mm) Cutting Depth ap(mm) Tool Life/blade
Halnn BNK30 657 m/min 0.3 0.4~0.5 Improved 1.8 times
Other CBN 657 m/min 0.3 0.4~0.5 ......
 

 


 

5.Typical Application

Normally for machining gray cast iron component, such as brake disc, brake drum, Halnn researched BN-S30,BNK30 Indexable CBN Inserts. The following is the cnc machine tools for machining gray cast iron brake disc.


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  • Indexable Solid Cubic Boron Nitride , Rough Machining Truck Brake Drum image

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