型号 | 标称外径(mm) | 刻线数 | D1(mm) | D2(mm) | D3(mm) | N | θ |
PI20D075 | 75 | 11840 | 55.02±0.02 | 65 | 75.35±0.05 | 6 | 30° |
PI20D100 | 100 | 15744 | 80.02±0.02 | 90 | 100.25±0.05 | 6 | 30° |
PI20D150 | 150 | 23600 | 130.02±0.2 | 140 | 150.3±0.1 | 9 | 20° |
PI20D300 | 300 | 47200 | 280.03±0.03 | 290 | 300.3±0.1 | 16 | 11.25° |