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| YUHUAN DDG solution | |
| Machine model | YHDM750A |
| Total passes | 2 passes 1stpass：0.085mm(semi-finish grinding) 2ndpass: 0.035-0.045 mm (finish grinding) |
| Cycle Time | 0.6 S/PC |
| Working efficiency | 6000 pc/hour |
| Thickness Control | ±0.005 mm |
| Parallelism/flatness | 0.004mm |
| Surface Finish | 0.25 µm Ra |
Piston ring grinding case study
Case reference： Federal Mogul, Bangalore
Shriram Pistons & Rings Ltd, Ghaziabad
Component: Dia 120 mm Piston Ring
Material: Grey Cast Iron, Thickness: 1.8 mm, Hardness: 95- 106 HRB
Stock removal: 0.12-0.13 mm
