Product Description
China Hardware Manufacturer
Hangzhou Shengpeng Hardware Machinery Co.,Ltd
Introduction to CNC Gear Machining Parts
CNC gear machining refers to the automated production of gears-mechanical components with toothed profiles for torque transmission-using computer-controlled machines. This process ensures high precision, critical for gears' functional reliability in machinery, automotive transmissions, and industrial equipment.
Common CNC methods include hobbing, shaping, and milling. Hobbing uses a rotating hob (cutter with helical teeth) to generate gear teeth by meshing with the workpiece, ideal for spur and helical gears. Shaping employs a reciprocating cutter to form teeth, suitable for internal gears or those with non-circular shapes. CNC milling, with multi-axis capabilities, handles complex gears like bevels or worms.
Key parameters controlled include module (tooth size), pressure angle (typically 20°), and tooth depth, all programmed via CAD/CAM software converted to G-code. Machines adjust cutting speed, feed rate, and tool paths to maintain tight tolerances (±0.01mm), ensuring smooth meshing and minimal noise.
Materials range from alloy steels (for strength) to plastics (for low-weight applications). CNC automation enables consistent batch production, reducing human error. Post-machining processes like heat treatment or grinding may enhance durability.
These gears power everything from automotive engines to robotics, emphasizing CNC's role in delivering high-performance, long-lasting mechanical components.


