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Super large bearing grinding case study


Case reference: Kaswin & Iljin, South Korea


Component: Dia 450 mm Special Bearing


Material: High carbon steel, Thickness: 45 mm, Hardness: HRC 60-65


Stock removal: 0.5 mm

Technological process

YUHUAN DDG solution
Machine modelYHDM7776
Total Passes1 pass (0.5 mm/cycle)
Cycle Time2 min/pc
Working efficiency30 pc/hour
Perpendicularity0.005mm
Parallelism0.003mm
Flatness0.003mm
Surface FinishRa 0.30


YHMM 7776 The First & Only DDG for Bearings up to 500 mm in Asia


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