Techincal parameter

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Linear Tolerance (mm)

Dimension (mm)

≤10

1025

2550

5075

75100

100150

150200

200250

>250

Normal (mm)

±0.12

±0.25

±0.30

±0.50

±0.65

±0.80

±1.50

±1.80

±0.80%

Premium (mm)

±0.10

±0.15

±0.25

±0.40

±0.45

±0.70

±1.00

±1.10

±0.50%


Limit Dimension for Cast Holes and Slots

Items

Hole Dia.

        (mm)

L/D Hole depth/Pore diameter

   

2-3

L/D≤1

4-7

L/D≤2.5

≥8

L/D≤3.5

   

2-3

L/D≤2

4-7

L/D≤5

≥8

L/D≤10

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


Angle Tolerance

Angle Tyoe

 

 

 

Normal

±1°

±2°

±2°

Premium

±0.5°

±1°

±1°

Avoid the quick changes of casting structure,use fillet radius on internal angle when possible.which is no less than RO.3.


Tolerance for Flatnes,Straightness and Roundness


Dimension(mm)

 

Normal(mm)

Premium(mm)

0-25

0.2

0.1

25-50

0.4

0.2

50-100

0.6

0.3

100-150

0.8

0.4


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

1.0

5-10


Surface Roughness (Ra/μm)

Ra6.33.2