The automobile brake drum is a friction brake mate parts of a drum brake automobile, and is a part of the car assembly. In order to further reduce costs, most car

manufacturing companies purchase the finished brake drum from the specialized factories. Brake drum companies use special CNC vertical lathes, and by using 

CBN inserts, they have brought rich profits to the company. 

The main features of LINKUT innovative CBN cutting inserts which are with excellent wear resistance, toughness and impact resistance and can adapt to both dry 

and wet cutting. The bottom surface of the brake drum is interrupted due to mounting holes. our pcbn inserts exhibits superior performance that is more impact 

resistant for this application. Such as our WNGA0804, CNGN120416, SNGN120416 cbn tunring inserts.

At present, in order to improve efficiency and save costs, brake drum manufacturers mostly use one-time clamping equipment, which can complete  the rough 

and fine machining process under  large feed and  high cutting speed. The use of our CBN tools to process the brake drum can not only realize the high speeds 

turning and the tool life is extremely long, while ensuring improved efficiency, it can also ensure dimensional stability when mass producing brake drums.