|
加工形式
|
缸径
|
长度
|
直线度
|
尺寸精度
|
内孔粗糙度
|
|
冷轧
|
30-100 |
≤12M |
0.3-1.0 |
H8-H10 |
0.4-1.6 |
|
冷拔
|
30-250 |
≤12M |
H8-H10 |
0.8-1.6 |
|
|
珩磨
|
40-500 |
≤12M |
1000 |
H8-H9 |
0.4-0.8 |
|
滚压
|
40-400 |
≤7M |
H8 |
0.4 |
|
尺寸公差(壁厚偏差±5%)
|
|||
|
内径尺寸
|
H8 |
H9 |
H10 |
|
30 |
+0.033 0 |
+0.052 0 |
+0.084 0 |
|
＞30-50
|
+0.039 0 |
+0.062 0 |
+0.100 0 |
|
＞50-80
|
+0.046 0 |
+0.074 0 |
+0.120 0 |
|
＞80-120
|
+0.054 0 |
+0.087 0 |
+0.140 0 |
|
＞120-180
|
+0.063 0 |
+0.100 0 |
+0.160 0 |
|
＞180-250
|
+0.072 0 |
+0.115 0 |
+0.185 0 |
|
＞250-315
|
+0.081 0 |
+0.130 0 |
+0.210 0 |
|
＞315-400
|
+0.089 0 |
+0.140 0 |
+0.230 0 |
