PCBN Superhard Cutting Tool—Solution for Ball Cage Processing

28 April 2023
Ball cage structure
The ball cage is also called the constant velocity universal joint, which is an important part of the automobile transmission system.
The main structure is shown in the figure:
Ball cage
Difficulties in ball cage processing:

Housing

The quenching hardness of the material is HRC52-62, the requirements for dimensional accuracy and shape and position tolerance are high, and there is no crack in the flaw detection. Therefore, the processing of the ball cage puts forward higher requirements for the strength, hardness, wear resistance, and precision of the tool.
 
Ball cage turning processing case - Housing
 
Workpiece material: hardened steel
Workpiece hardness: HRC58-62
Surface quality: Ra0.8
Processing part: the inner spherical surface of the housing (8 fairways)
Processing form: finishing, profiling
Tool model: TNGA160416-3N(PN402)
Processing parameters: Vc:175m/min ap:0.2mm f:0.14mm/r
 
 
Inner Race
 
 
Ball cage turning processing case - Inner Race
 
Workpiece material: 20CrMnTi
Workpiece hardness: HRC58-62
Surface quality: Ra0.8
Processing part: the outer spherical surface of the Inner Race
Processing form: finishing, profiling
Tool model: TNGA160416-3N(PN209)
Processing parameters: Vc:200m/min ap:0.2mm f:0.125mm/r

 

 


TAG:   cbn inserts pcbn tools
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