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  • Precision Casting
     
  • Casting Process Flow
  •  
  • Casting Reference Data
  •  
  • Investment Casting
  • CNC machined parts
  • stamping Parts

     




     
    Products - Casting Reference Data
     

    1. Linear Tolerance (mm)

    Dimensions (mm)

    10

    1025

    2550

    5075

    75100

    100150

    150200

    200250

    250

    Normal (mm)

    0.15

    0.25

    0.35

    0.50

    0.65

    1.00

    1.50

    1.80

    1.00%

    Premium (mm)

    0.10

    0.15

    0.25

    0.40

    0.50

    0.75

    1.00

    1.20

    0.60%

    2. Angle Tolerance


    Angle Type

    1

    1

    1????????

    Normal

    11

    12

    112

    Premium

    10.5

    11

    11

    Avoid the quick changes of casting structure, use fillet radius on internal angle when possible, which is no less than R0.3

    1

    3. Surface Roughness (Ra/um)


    Rough Castings

    Weight>5kg, Main Wall Thickness>12mm

    3.2-6.3

    The surface finish for the castings we can provide with are as the following. Blacking, zinc plating, chrome plating and nickel plating for the carbon steel and the low alloy steel castings Tumbling, hand dull polishing, mirror polishing, electrolytic polishing and passivation treatment for the stainless steel castings and sand blasting, including glass beed blasting, corundum-sand blasting and quarlz-sand blasting for all the steel castings.

    Weight>5kg, Main Wall Thickness>12m m

    1.6-3.2

    Finished Castings

    0.8-1.6

     


    4. Limit Dimension for Cast Holes and Slots


    Items

    Hole Diameter(? mm)

    L / D

    1

    ?2?3

    L / D 1

    ?4?7

    L / D 2

    ?8

    L / D 2.5

    1

    ?2?3

    L / D 2

    ?4?7

    L / D 4

    ?8

    L / D 5


    5. Size and Weight Range

    Items

    Max

    Min

    Best

    Outline Dimension(mm)

    1000300300

    201010

    150100100

    Weight (Kg)

    40

    0.015

    0.25

    Min. Wall Thickness(mm)

    1.0

    515


    6. Frame design advice:

    1

    1

    1

    1

    w

    1

    1

    1

    11

     

     

    Xemda Plastics & Steel Mold Co., Ltd.
    Add:Xixiang,Second Industrial Zone,Bao'an,Shenzhen
    Tel:+86-755-36927705 Fax:+86-755-29530221 E-Mail:maket@null.net
    MSN:kerry-888@hotmail.com