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)
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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