Shanghai Highmind Super-hard Material S&T Development Ltd

Our Mainly Products PCD Inserts, PCBN Inserts, Mono Diamond And CVD Inserts,
Diamond Machine Processing Cutting Tool.

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Brake Discs Roughing
- Jul 09, 2018 -

Workpiece:

Brake Discs Roughing

Workpiece:the rear brake disc

Machining position :outer circle, top braking surface

Material of workpiece: :HT250

Toughness:190-220HB

Comparison of processing parameters and effects


 

Grade of cutting tools


Cutting parameter

 

   SNGN120712

 

ap=2-3 mm   Vc=300-650 m/min   f = 0.5 mm/rev

Compare

Speed Vc (m/min)

Lifetime

Other CBN

500

200pcs/edge

Highmind CBN

850

300pcs/edge

Life of Highmind cutting tools is 70% higher while the efficiency is 50% higher.