规格 | 内径 | 横肋高h | 横肋底宽b | 横肋间距 | 槽口直径 | |||||
公称 尺寸 | 允许 偏差 | 公称 尺寸 | 允许 偏差 | 公称 尺寸 | 允许 偏差 | 公称 尺寸 | 允许 偏差 | 公称 尺寸 | 允许 偏差 | |
18 | 17 | −0.2 +0.3 | 1.5 | −0.1 +0.2 | 5 | ±0.2 | 10 | −0.2 +0.1 | 16 | −0.6 +0.4 |
内控尺寸 | 17 | −0.2 +0 | 1.5 | −0.1 +0.2 | 5 | ±0.2 | 10 | −0.2 +0.1 | 16 | −0.15 +0.15 |
20 | 19 | −0.2 +0.3 | 1.6 | −0.1 +0.3 | 6.2 | ±0.2 | 12 | −0.2 +0.1 | 18 | −0.6 +1.0 |
内控尺寸 | 19 | −0.2 +0 | 1.6 | −0.1 +0.3 | 6.2 | ±0.2 | 12 | −0.2 +0.1 | 18 | −0.15 +0.15 |
22 | 21 | −0.4 +0.2 | 1.6 | −0.1 +0.3 | 6.2 | ±0.2 | 12 | −0.1 +0.2 | 20 | −0.4 +0.6 |
内控尺寸 | 21 | −0.2 +0 | 1.6 | −0.1 +0.3 | 6.2 | ±0.2 | 12 | −0.1 +0.2 | 20 | −0.15 +0.15 |