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Bearing grinding case study


Case reference: Changzhou NRB Corporation


ILJIN, South Korea  


Component: Dia 68 mm bearing


Material: Carbon Steel, Thickness: 30 mm, Hardness: HRC 58-62


Stock removal: 0.1 mm

Technological process

YUHUAN DDG solution
Machine modelYHDM 580B
Total Passes2 passes (on the same machine   with same wheel)
1st   pass:  0.07 mm (semi-finish grinding)
2nd   pass: 0.03 mm (finish grinding)
Total Cycle Time1 s/pc 
Production3600 pc/hour
Thickness Control±0.005mm
Parallelism0.003mm
Surface FinishRz 2.0
CMK1.67


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