Casting design data
1,Linear tolerance(mm)
Size(mm) | ≤10 | 10~25 | 25~50 | 50~75 | 75~100 | 100~150 | 150~200 | 200~250 | >250 |
General tolerance(mm) | ±0.15 | ±0.25 | ±0.35 | ±0.50 | ±0.65 | ±1.00 | ±1.50 | ±1.80 | ±1.00% |
Special tolerance(mm) | ±0.10 | ±0.15 | ±0.25 | ±0.40 | ±0.50 | ±0.75 | ±1.00 | ±1.20 | ±0.60% |
2,Flatness, straightness, roundness
Size(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,The limit tolerance of the hole can be cast
Items | Diameter (φmm) | 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 |
轮廓尺寸 (mm) | 1000×300×300 | 20×10×10 | <150×100×100 |
重量 (Kg) | 40 | 0.015 | 0.2~5 |
壁厚 (mm) | - | 1.6 | 5-25 |