ISO-2768-1
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ISO-2768-1 标准自由公差范围
线距离 单位（mm）
|
Deslgnation (标记) |
Description (说明) |
Permissible deviations for basic size range(可允许值范围) |
|||||||
|
0.5-3 |
3-6 |
6-30 |
30-120 |
120-400 |
400-1000 |
1000-2000 |
2000-4000 |
||
|
F |
Fine 精密 |
±0.05 |
±0.05 |
±0.1 |
±0.15 |
±0.2 |
±0.3 |
±0.5 |
--- |
|
M |
Medium 中间 |
±0.1 |
±0.1 |
±0.2 |
±0.3 |
±0.6 |
±0.8 |
±1.2 |
±2 |
|
C |
Coarse 粗糙 |
±0.2 |
±0.3 |
±0.5 |
±0.8 |
±1.2 |
±2 |
±3 |
±4 |
|
v |
Very coarse 很粗糙 |
---- |
±0.5 |
±1 |
±1.5 |
±2.5 |
±4 |
±6 |
±8 |
|
1) for nominal sizes below 0.5 mm, the deviations shall be indicated adjacent to the relevant nominal size(s) |
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倒角 倾角
|
Deslgnation (标记) |
Description (说明) |
Permissible deviations for basic size range(可允许值范围) |
||
|
0.5-3 |
3-6 |
大于6 |
||
|
F |
Fine 精密 |
±0.2 |
±0.5 |
±1 |
|
M |
Medium 中间 |
|||
|
C |
Coarse 粗糙 |
±0.4 |
±1 |
±2 |
|
v |
Very coarse 很粗糙 |
|||
角度 单位（度）
|
Deslgnation (标记) |
Description (说明) |
Permissible deviations for basic size range(可允许值范围) |
||||
|
<=10 |
10-50 |
50-120 |
120-400 |
大于400 |
||
|
F |
Fine 精密 |
±1° |
±0°30′ |
±0°20′ |
±0°10′ |
±0°5′ |
|
M |
Medium 中间 |
|||||
|
C |
Coarse 粗糙 |
±1°30′ |
±1° |
±0°30′ |
±0°15′ |
±0°10′ |
|
v |
Very coarse 很粗糙 |
±3° |
±2° |
±1° |
±0°30′ |
±0°20′ |
