技术参数

金属注射成形（MIM）技术特点

Features of Metal Injection Molding (MIM)

近净成形，精度高

MIM 工艺可实现无切削或少切削加工，能够最大程度制备接近最终尺寸的精密零件，产品尺寸一致性好、精度高。有效解决传统粉末冶金工艺中密度偏低、材质不均以及薄壁、小型化、复杂结构零件难以成型等问题，特别适用于复杂异形结构件的批量化制造。

材料性能优异，适用范围广

MIM 工艺具备灵活的材料与合金化设计能力，可适用于高硬度、高强度、高脆性及难切削等特殊金属材料。产品组织均匀、致密度高，相对密度可达95%以上，综合力学性能接近锻造件水平，在强度、耐磨性及结构性能方面表现优异。

生产效率高，成本优势明显

工艺支持多腔模具规模化连续生产，成型效率高、材料利用率高，材料利用率可达98%以上，可显著降低原材料浪费与后续机加工成本。尤其适用于小型化、复杂化、高性能、大批量的精密金属零部件制造。

结构设计自由度高

突破传统机加工与普通粉末冶金工艺限制，可实现复杂三维结构件的一体化近净成形，大幅减少零件拆分与装配工序，提升产品整体性、可靠性与设计自由度，为产品轻量化、集成化及精密化设计提供高效解决方案。

可规模化稳定生产

MIM 工艺具备优异的工艺稳定性与批量一致性，适用于大批量、长周期、高标准的工业级零部件生产，可满足汽车、医疗器械、AI机器人、五金工具、电工电子及智能装备等行业的稳定供货需求。

Near-Net-Shape Manufacturing with High Precision

MIM technology enables near-net-shape manufacturing with little or no secondary machining, producing precision components with excellent dimensional consistency and high accuracy. It effectively overcomes the limitations of conventional powder metallurgy, such as low density, material inhomogeneity, and difficulties in forming thin-wall, miniature, and complex structural components, making it highly suitable for mass production of intricate geometries.

Excellent Material Performance and Wide Material Compatibility

MIM offers flexible alloy and material design capabilities, supporting high-hardness, high-strength, brittle, and difficult-to-machine materials. Parts feature uniform microstructures and high densification, with relative densities exceeding 95%, delivering mechanical properties comparable to forged components, including outstanding strength, wear resistance, and structural reliability.

High Production Efficiency with Cost Advantages

The process supports multi-cavity mold production for high-volume manufacturing with excellent production efficiency and material utilization rates exceeding 98%, significantly reducing material waste and secondary machining costs. MIM is especially suitable for the large-scale production of miniature, complex, and high-performance precision metal components.

High Design Freedom for Complex Structures

MIM technology overcomes the structural limitations of conventional machining and traditional powder metallurgy by enabling integrated forming of highly complex three-dimensional geometries. This significantly reduces assembly steps while improving product integrity, reliability, lightweight design, and structural integration.

Stable and Scalable Mass Production Capability

MIM provides excellent process stability and production repeatability, making it ideal for large-volume, long-cycle, and high-standard industrial manufacturing. The technology is widely used in automotive, medical device, AI robotics, hardware tools, electronics, and intelligent equipment industries requiring stable large-scale supply capability.