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Industry Solutions

Applications and Solutions

Application Know-how

  Bearing

Cylindrical roller bearingsUniversal shaftsFlange shaftsShaft tilesBearing inner rings
Connecting shafts




Bearing parts case - CBN tooling for hardened steel bearing inner ring



In order to improve the wear resistance of mechanical components and increase their service life, many structural steel components are often quenched and processed. However, the high strength and hardness of quenched components and their poor plasticity can cause problems for turning.



The performance of tools is important to the efficiency and accuracy of turning operations. Improving the performance of tools has been one of the challenges continuously explored and discussed in the machinery and equipment manufacturing industry.


The CBN material for high-speed finishing, which has even better wear resistance, continues to improve its chipping resistance alongside its wear resistance.


The cases are as follows





Tool drawing number: 067814/067815

Workpiece name: Bearing inner ring

Workpiece material: bearing steel

Workpiece size: 80mm*45mm 

Roughness:Ra1.2

Material hardness: HRC60

Machining method: Turning

Machining process: Rough and fine flat bore


Tool brands

WSS

National brands

Specification

VCGT160404

VCGT160404

VC(m/min)

200m/min

200m/min

f(mm/rev)

0.07mm/rev

0.07mm/rev

Ap(mm)

0.3mm

0.3mm

T/L(Longevity)

Rough machining 20~30 pieces

Finishing 70~80 pieces

Rough machining 20~30 pieces

Finishing 70~80 pieces