| Place of Origin |
Jiangsu China (Mainland) |
1. Material of printing machine parts Inertia Balance Shaft: alloy steel 11SMnPb30+C. 2. job operation: impact forging bead blasting turning milling gadding grinding. 3. heat treating:nitriding. 4. surface treatment: electroless-plating neutral salt spray test (NSS) adhesion and thickness of coating. 5. test program: mechanical properties gauge capability study geometric tolerance Form and Position Tolerance Surface Roughness.