MIM – What Is It?
1. Manufacturing technique for producing small, complex , metal parts
2. A combination of powder metallurgy and plastic injection molding technologies.
3. It is a cost effective alternative to machining or investment casting.
MIM – Why use it?
1. Economical production of complex parts with weight from 0.02 to 200g from high- performance engineering materials.
2. Parts with high dimensional precision (±0.1%~±0.5%) and good surface quality (surface roughness 1~5μm).
3. Parts with high relative density (95%~100%), homogeneous microstructure and superior performance.
4. Adaptable to powders of various materials and wide application of the parts.
Item | MIM | PM | Precision | Machining Operation | Stamping |
Denslty | 96% | 86% | 98% | 100% | 100% |
Tenslle Strength | High | Low | High | High | High |
Surface Finish | High | Medium | Medium | High | High |
Small Size | High | Medium | Low | Medium | High |
Thickness | High | Medium | Medium | Low | High |
Complexity Level | High | Low | Medium | High | Low |
Design Tolerance | High | Medium | Medium | Medium | Low |
Capacity | High | High | Medium | Medium-High | High |
Range of Applying Material | High | High | Medium-High | Medium | Medium |
Supply Ability | High | High | Medium | Low | High |
Tolerances of MIM Products
Tolerances
5mm±0.025mm
10mm±0.05mm
20mm±0.10mm
40mm±0.15mm
Flatness 0.3%
Material System
Stainless steel(303,304,316L,420,440C,17-4PH)
High density alloys(W-Ni-Fe W-Ni-Cu W-Cu)
Carbon steel (Fe-2Ni,F-8Ni)