直线度、平面度与平行度公差 公差等级 E F G H 30~120 120~400 400~1000 2000~4000 4000~8000 8000~12000 12000~16000 16000~20000 20000 ±0.5 ±1 ±1.5 ±2.5 ±1 ±1.5 ±3 ±5 ±1.5 ±3 ±5.5 ±9 ±3 ±6 ±11 ±18 ±4 ±8 ±16 ±26 ±5 ±10 ±20 ±32 ±6 ±12 ±22 ...