各国的标准都不一样。
下面是美国的平垫标准:
规 格
Specification |
内径公差
Minor Diameter |
外径公差
Outside Diameter |
厚度公差
Thickness Tolerance |
厚度公差分解
Thickness Tolerance
Disintegration |
USS 3/16 |
6.22~6.73 |
14.15~14.66 |
0.91~1.65 |
0.91~1.40 |
1.40~1.65 |
|
|
|
|
USS 1/4 |
7.80~8.31 |
18.47~19.02 |
1.30~2.03 |
1.30~1.65 |
1.65~2.03 |
|
|
|
|
USS 5/16 |
9.40~9.91 |
22.05~22.99 |
1.63~2.64 |
1.63~2.20 |
2.20~2.64 |
|
|
|
|
USS 3/8 |
11.00~11.51 |
25.22~26.16 |
1.63~2.64 |
1.63~2.20 |
2.20~2.64 |
|
|
|
|
USS 7/16 |
12.57~13.08 |
31.57~32.51 |
1.63~2.64 |
1.63~2.20 |
2.20~2.64 |
|
|
|
|
USS 1/2 |
14.15~14.60 |
34.75~35.69 |
2.18~3.35 |
2.18~2.70 |
2.70~3.00 |
|
|
|
|
3.00~3.35 |
|
|
|
|
USS 9/16 |
15.75~16.26 |
37.13~38.07 |
2.18~3.35 |
2.18~2.70 |
2.70~3.00 |
|
|
|
|
3.00~3.35 |
|
|
|
|
USS 5/8 |
17.30~18.24 |
44.27~45.21 |
2.74~4.06 |
2.74~3.20 |
3.20~3.60 |
|
|
|
|
3.60~4.06 |
| |