Injection Molded Transmission Gears

As a key power transmission component in mechanical systems, this gear assembly achieves torque output through the engagement of its external teeth and inner bore. The images display two disc-shaped specifications: a white gear with spoke reinforcements on the left and a solid yellow gear on the right. Both feature central mounting holes and peripheral teeth, making them suitable for non-standard automation equipment or small reduction mechanisms that require wear-resistant and low-noise transmission.

These parts are typically manufactured using high-precision injection molding. The primary focus of processing control is ensuring dimensional accuracy and uniform indexing of the tooth profile to guarantee smooth meshing and reduce wear. Strict control over inner bore tolerances and end-face flatness is also essential to prevent eccentricity or axial displacement after assembly. Materials commonly include engineering plastics such as POM (Polyoxymethylene), PA66 (Nylon), or ABS, leveraging their self-lubricating and anti-fatigue properties to extend service life. Wall thickness is adjusted based on operating conditions to balance strength and weight.

Production relies on a mature injection molding system, optimizing everything from mold runner design to cooling and setting to eliminate appearance defects like sink marks and flash, ensuring consistency across batch production. For new project development, detailed 2D/3D drawings are required to confirm key parameters such as module, pressure angle, number of teeth, and bore diameter. The factory assists with DFM (Design for Manufacturability) evaluation and provides stable capacity support and strict dimensional inspection services for large-volume orders.