规格 | 工作面直线度或平面度 | 两工作面夹角α精度 | ||
| 精度等级 | |||
| 1级 | 2级 | 1级 | 2级 |
凸45°55°60°90°120°×500 | 6 | 12 | ±1 | ±1.5 |
凹45°55°60°90°120°×500 | 6 | 12 | ±1 | ±1.5 |
凸45°55°60°90°120°×750 | 8 | 15 | ±1 | ±1.5 |
凹45°55°60°90°120°×750 | 8 | 15 | ±1 | ±1.5 |
凸45°55°60°90°120°×1000 | 9 | 18 | ±1 | ±1.5 |
凹45°55°60°90°120°×1000 | 9 | 18 | ±1 | ±1.5 |
凸45°55°60°90°120°×1500 | 15 | 30 | ±1 | ±1.5 |
凹45°55°60°90°120°×1500 | 15 | 30 | ±1 | ±1. |