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                    Techincal parameter

                    Home > Techincal parameter

                    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




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