Maryland Metrics Technical Data Chart:
General Tolerances to DIN ISO 2768 T1 and T2
马里兰的度量技术数据图表，公差，T1和T2 DIN ISO 2768
l The latest DIN standard sheet version applies to all parts made to DIN standards.
l DIN的制造标准 DIN的标准表 最新适用于所有的部件
l Variations on dimensions without tolerance values are according to "DIN ISO 2768-mk".
l 所有的尺寸公差值都应按照 DIN ISO 2768-mK
GENERAL TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS (DIN ISO 2768 T1)
LINEAR DIMENSIONS:
DIN ISO 2768 T1 对于线性尺寸及角度尺寸公差的应用
Permissible deviations |
| Tolerance class 制定登机 |
| |
m (medium)中等 | c (coarse)下等 | |||
0.5 up to 3 | ±0.05 | ±0.1 | ±0.2 | - |
over 3 up to 6 | ±0.05 | ±0.1 | ±0.3 | ±0.5 |
over 6 up to 30 | ±0.1 | ±0.2 | ±0.5 | ±1.0 |
over 30 up to 120 | ±0.15 | ±0.3 | ±0.8 | ±1.5 |
over 120 up to 400 | ±0.2 | ±0.5 | ±1.2 | ±2.5 |
over 400 up to 1000 | ±0.3 | ±0.8 | ±2.0 | ±4.0 |
over 1000 up to 2000 | ±0.5 | ±1.2 | ±3.0 | ±6.0 |
over 2000 up to 4000 | - | ±2.0 | ±4.0 | ±8.0 |
EXTERNAL RADII AND CHAMFERHEIGHTS
外部的半径和槽的高度工程应用
Permissible deviations |
| Tolerance class |
| |
m (middle) | c (coarse) | |||
0.5 up to 3 | ±0.2 | ±0.2 | ±0.4 | ±0.4 |
over 3 up to 6 | ±0.5 | ±0.5 | ±1.0 | ±1.0 |
over 6 | ±1.0 | ±1.0 | ±2.0 | ±2.0 |
ANGULAR DIMENSIONS
（长度）的角度尺寸公差应用
Permissible deviations |
| Tolerance class |
| |
m (middle) | c (coarse) | |||
up to 10 | ±1º | ±1º | ±1º30' | ±3º |
over 10 up to 50 | ±0º30' | ±0º30' | ±1º | ±2º |
over 50 up to 120 | ±0º20' | ±0º20' | ±0º30' | ±1º |
over 120 up to 400 | ±0º10' | ±0º10' | ±0º15' | ±0º30' |
over 400 | ±0º5' | ±0º5' | ±0º10' | ±0º20' |
GENERAL TOLERANCES FOR FORM AND POSITION (DIN ISO 2768 T2)
STRAIGHTNESS AND FLATNESS
（DIN ISO T2） 形为，正直，平整度公差应用
Ranges in nominal | Tolerance class 公差等级 | ||
H高 | K 中 | L低 | |
up to 10 | 0.02 | 0.05 | 0.1 |
over 10 up to 30 | 0.05 | 0.1 | 0.2 |
over 30 up to 100 | 0.1 | 0.2 | 0.4 |
over 100 up to 300 | 0.2 | 0.4 | 0.8 |
over 300 up to 1000 | 0.3 | 0.6 | 1.2 |
over 1000 up to 3000 | 0.4 | 0.8 | 1.6 |
PERPENDICULARITY
垂直度应用公差
Ranges in nominal | Tolerance class | ||
H | K | L | |
up to 100 | 0.2 | 0.4 | 0.6 |
over 100 up to 300 | 0.3 | 0.6 | 1 |
over 300 up to 1000 | 0.4 | 0.8 | 1.5 |
over 1000 up to 3000 | 0.5 | 0.8 | 2 |
SYMMETRY
对称度公差应用
Ranges in nominal | Tolerance class | ||
H | K | L | |
up to 100 | 0.5 | 0.6 | 0.6 |
over 100 up to 300 | 0.5 | 0.6 | 1 |
over 300 up to 1000 | 0.5 | 0.8 | 1.5 |
over 1000 up to 3000 | 0.5 | 1 | 2 |
RUN-OUT
同心度公差应用
Tolerance class | ||
H | K | L |
0.1 | 0.2 | 0.5 |
all dimensions in mm
所有的尺寸均以毫米为单位
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