工件直径D
|
材料厚度t
|
|||||
0.3
|
0.5
|
0.8
|
1.0
|
2.0
|
||
≤50
|
2.5
|
3.0
|
—
|
—
|
—
|
|
50~100
|
3.0
|
4.0
|
5.0
|
—
|
—
|
|
100~200
|
4.0
|
5.0
|
6.0
|
7.0
|
8.0
|
|
>200
|
5.0
|
6.0
|
7.0
|
8.0
|
9.0
|