|
钢球批直径变动量及常用规值、分规值 | |||||
|
等级 |
批直经变动量 |
规直间距 |
常用规值 |
分规值 |
分规值 |
|
um | |||||
|
10 |
0.5 |
1 |
-9,…,-1,0,+1,…,+9 |
0.2 |
-0.4,-0.2,0,+0.2,+0.4 |
|
16 |
0.8 |
2 |
-10,…,-2,0,+2,…,+10 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
20 |
1 |
2 |
-10,…,-2,0,+2,…,+10 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
28 |
1.1 |
2 |
-12,…,-2,0,+2,…,+12 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
40 |
2 |
4 |
-16,…,-4,0,+4,…,+16 |
0.8 |
-1.6,-0.8,0,+0.8,+1.6 |
|
60 |
3 |
5 |
-20,…,-5,0,+5,…,+20 |
1 |
-2,-1,0,+1,+2 |
