Case of automobile brake drum processing

30 September 2020

Brake drum is usually made from gray cast iron. The coating carbide tools or ceramic tools can only process 20-50 pieces brake drum, and it needs to interrupt production to change new tools, it wastes lots of time.

But now, More Super Hard has an indexable PCBN inserts which uses metal bond agent, with super high hardness and wear resistance. Each edge can process 70-100 pieces brake drum, it improves the production efficiency a lot, it is an ideal choice for cast iron cutting.



finish turning



Workpiece material

alloy cast iron


Sintered PCBN inserts

Processing site

inner circle of the brake drum



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