Dynamic friction coefficients of various types of coated steel
Sliding test conditions
| Sample size | 0.8 mm (thickness) x 30 mm(width) x 300 mm (length) |
| Press oil | Z5 (Idemitsu Kosan) |
| Pressing pressure | 0.72、1.45、2.90N/mm2 |
| Pressing force | 1、2、4kN |
| Pressing area | 46×30mm2 |
| Withdrawal rate | 1000mm/min |
| Mold surface roughness | #1000 (Polishing for each session) |
| Mold material | SKD11 |
