Technical Parameter

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1、Linear Tolerance(mm)

 

Dimensions

Normal

Premium

0-10

±0.12

±0.10

11-15

±0.20

±0.13

16-20

±0.25

±0.15

21-30

±0.30

±0.20

31-50

±0.40

±0.25

51-75

±0.50

±0.35

76-100

±0.65

±0.45

101-125

±0.80

±0.60

126-150

±1.00

±0.70

151-175

±1.20

±0.80

176-200

±1.50

±0.90

201-250

±1.80

±1.10

>250

±0.8%

±0.5%

 

2、Limit Dimension for Cast Holes and Slots

 

Items

Hole Dia.(mm)

L/D Hole depth/Pore diameter

1.jpg

Φ2-Φ3

L/D≤2

Φ4-Φ7

L/D≤5

≥Φ8

L/D≤10

2.jpg

Φ2-Φ3

L/D≤1

Φ4-Φ7

L/D≤2.5

≥Φ8

L/D≤3.5

Deeper and more complicated holes and slots can be cast by using soluble wax cores and ceramic cores.

 

3、Angle Tolerance

 

Angle Tyoe

1.jpg

2.jpg

Normal

±1°

±2°

Premium

±0.5°

±1°

 

4、Tolerance for Flatnes,Straightness and Roundness

 

Dimension(mm)

Normal

Premium

0-25

0.2

0.1

26-50

0.3

0.2

51-100

0.5

0.3

101-150

0.8

0.4

 

5、Size and Weight Range

 

Items(mm)

Size

Premium

Outline Dimension(mm)

1000X620X380

<100

Weight(kg)

0.01-120

0.1-1.5

Min.Wall Thickness
         (mm)

1.0

5-10