公差等級及技術(shù)要求:
等級
|
球直徑變動量
|
球形偏差
|
球表面粗糙度
|
球直徑變動量
|
基本直徑公差
|
|
Vdws
|
△Sph
|
Ra
|
Vdwl
|
Tdn
|
|
不超過not over
|
|
um
|
|
10
|
0.25
|
0.25
|
0.025
|
0.5
|
*
|
|
16
|
0.4
|
0.4
|
0.032
|
0.8
|
*
|
|
20
|
0.5
|
0.5
|
0.05
|
1
|
*
|
|
28
|
0.7
|
0.7
|
0.05
|
1.5
|
*
|
|
40
|
1.0
|
1.0
|
0.08
|
2
|
*
|
|
60
|
1.5
|
1.5
|
0.10
|
3
|
*
|
|
100
|
2.5
|
2.5
|
0.125
|
5
|
±12.5
|
|
200
|
5
|
5
|
0.2
|
10
|
±25
|
|
500
|
13
|
13
|
*
|
25
|
±50
|
|
1000
|
25
|
25
|
*
|
50
|
±125
|
鋼球振動技術(shù)條件:
精度等級
振動組別
鋼球直徑
|
G20
|
G16
|
G10G5G3
|
|
|
|
|
Z1
|
Z2
|
Z3
|
|
超過
|
到
|
平均值
|
單個值
|
平均值
|
單個值
|
平均值
|
單個值
|
|
4.5
|
6.5
|
39.5
|
41.5
|
37.5
|
39.5
|
35.5
|
37.5
|
|
6.5
|
7.5
|
40
|
42
|
38
|
40
|
36
|
38
|
|
7.5
|
10
|
40.5
|
42.5
|
38.5
|
40.5
|
36.5
|
38.5
|
|
10
|
11
|
42
|
44
|
40.5
|
42.5
|
36.5
|
40.5
|
|
11
|
12
|
42.5
|
44.5
|
41
|
43
|
39
|
41
|
|
121
|
13
|
43
|
45
|
41.5
|
43.5
|
39.5
|
41.5
|
|
13
|
14
|
43.5
|
45.5
|
42
|
44
|
40
|
42
|
|
14
|
15
|
44
|
46
|
42.5
|
44.5
|
40.5
|
42.5
|
|
15
|
16
|
44.5
|
46.5
|
43.5
|
44.5
|
40.5
|
42.5
|
|
16
|
17
|
45
|
47
|
43
|
45
|
41
|
43
|
|
17
|
17.5
|
45.5
|
47.5
|
43
|
45
|
41
|
43
|
碳鋼球表面硬化深度:
|
公稱尺寸
|
最小硬化層
|
|
≥at least
|
＜at least
|
|
|
|
0.3
|
1.5
|
0.1
|
|
15
|
2.0
|
0.4
|
|
2.0
|
3.0
|
0.5
|
|
3.0
|
4.5
|
0.6
|
|
4.5
|
5.5
|
0.8
|
|
5.5
|
6.5
|
0.9
|
|
6.5
|
9.5
|
1.1
|
|
9.5
|
11.0
|
1.4
|
|
11.0
|
12.5
|
1.7
|
|
12.5
|
14.0
|
1.8
|
|
14.0
|
19.0
|
1.9
|
|
19.0
|
38.0
|
2.0
|
批直徑變動量及常用規(guī)值,分規(guī)值:
|
等級
|
批直徑變動量
|
規(guī)值間距
|
常用規(guī)值
|
分規(guī)值間距
|
分規(guī)值
|
|
|
|
|
|
|
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
|
1.4
|
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
|
