Advantages of MIM Process in the Manufacturing of High-Precision Complex Metal Parts for Humanoid Robots
Manufactured based on Metal Powder Injection Molding (MIM) process
Typical Parts: Shift forks, locking components, connecting seats, miniature gear shafts, sensor brackets, etc.
Common Materials: 17-4PH, MIM4605, MIM8620, Fe-Ni alloy steels, stainless steel series (SUS420, SUS630)
The MIM process enables one-shot injection molding with dimensional precision controlled within ±0.03 mm, effectively reducing post-processing procedures and assembly cumulative errors, thus guaranteeing the motion accuracy and reliability of robots.
It balances strength and reliability, making it suitable for robot transmission and control systems.
Shift fork-type parts: Mostly used in robot joint clutching, posture switching and gear shifting mechanisms, which need to withstand high-frequency reciprocating loads and impacts, requiring high strength and wear resistance. After heat treatment with 17-4PH material, the hardness can reach above HRC45, perfectly adapting to the long-term stable operation scenarios of collaborative robots and industrial robotic arms.
Guide vane structures: Applied in servo motor cooling air ducts, pneumatic control units and other scenarios, requiring excellent toughness and dimensional stability to ensure functional consistency under long-term vibration conditions. The MIM process is compatible with various heat treatment methods such as carburizing, quenching and tempering, and can customize the mechanical properties of materials according to different working condition requirements of robots to achieve precise matching.
Typical Applications
Joint clutching shift forks, servo motor cooling guide vanes, linear module sliders, solenoid valve cores, electronic control system connecting seats, joint brake locking components, joint bushings, dexterous hand transmission gear shafts, sensor mounting brackets, end-effector latches, etc.
/* Physical properties are affected by material composition, manufacturing process and heat treatment; the parameters in the table are for reference only.
