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DIMENSION TOLERANCE

Technology Support March 14,2023 admin 165

Linear Tolerance

Nominaldimension

(mm)

Length，width，height (mm)

Centre line distances (mm)

D1

D2

D3

D1

D2

From

To

Tolerance

Field

Tolerance

Field

Tolerance

Field

Tolerance

Tolerance

0

6

土0.10

0.2

土0.08

0.16

土0.06

0.12

土0.25

土0.16

6

10

土0.12

0.24

土0.10

0.2

10

14

土0.15

0.3

土0.12

0.24

土0.09

0.18

14

18

土0.20

0.4

土0.14

0.28

18

24

土0.25

0.5

土0.17

0.34

土0.12

0.23

土0.32

土0.20

24

30

土0.30

0.6

土0.20

0.4

土0.14

0.27

30

40

土0.37

0.74

土0.25

0.5

土0.17

0.33

土0.50

土0.30

40

50

土0.44

0.88

土0.30

0.6

土0.20

0.39

50

65

土0.52

1.04

土0.38

0.76

土0.23

0.46

土0.71

土0.45

65

80

土0.60

1.2

土0.46

0.92

土0.27

0.53

80

100

土0.68

1.38

土0.53

1.06

土0.30

0.6

土0.90

土0.60

100

120

土0.76

1.52

土0.60

1.2

土0.33

0.66

120

140

土0.84

1.68

土0.65

1.3

土0.36

0.71

土1.15

土0.85

140

160

土0.92

1.84

土0.72

1.44

土0.38

0.76

160

180

土1.02

2.04

土0.80

1.6

土0.42

0.81

180

200

土1.12

2.24

土0.88

1.76

土0.43

0.86

土1.80

土1.00

200

225

土1.28

2.56

土0.95

1.9

土0.47

0.93

225

250

土1.44

2.88

土1.05

2.1

土0.51

1.02

250

280

土1.64

3.28

土1.15

2.3

土0.56

1.12

土2.20

土1.25

280

315

土1.84

3.68

土1.25

2.5

土0.63

1.26

315

355

土2.10

4.2

土1.40

2.6

土0.71

1.42

土2.60

土1.60

355

400

土2.40

4.8

土1.60

3.2

土0.80

1.6


D1: General dimension tolerances

D2: Applicable to important dimensions requiring close tolerances

D3: Premium tolerances require additional operations at extra cost,

Only applied to a few special dimensions

Angle Tolerance: 土0.5° to土1°

Straightess:0.005”per inch


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