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Welcome to YiCheng

Casting Quality

Technical Data For Design Reference
 
1. Linear Tolerance (mm)

Dimension (mm)
≤10
10~25
25~50
50~75
75~100
100~150
150~200
200~250
>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. Tolerance for Flatness, Straightness, Roundness

Dimension(mm)
0~25
25~50
50~100
100~150
Tolerance(mm)
0.2
0.4
0.6
0.8

3. Surface Roughness (Ra/μm)

Ra6.3~3.2

4. Limit Dimension for Casting Hole and Slots:

Items
Diameter of Hole(φmm)
Length or Diameter of Hole (L/D)

φ2~φ3
L / D ≤ 1
φ4~φ7
L / D≤ 2
≥φ8
L / D ≤ 2.5

φ2~φ3
L / D ≤ 2
φ4~φ7
L / D≤ 4
≥φ8
L / D ≤ 5

5. Size and Weight Range

Items
Max
Min
Best
Outline Dimensions (mm)
1000×300×300
20×10×10
<150×100×100
Weight (Kg)
40
0.015
0.2~5
Minimum Wall Thickness (mm)
1.0
5~15

6. Suggestion for Structure Design



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