Precision Spiral Bevel Gear and Internal Ring Gear Assembly

Designed to meet the stringent requirements for tooth meshing accuracy and contact patterns in high-torque transmission systems, these spiral bevel gear pairs achieve complex spatial surface forming through multi-axis CNC milling. The paired components shown include a driving bevel gear with radial reinforcing ribs and a driven member featuring a deep-cavity spiral internal ring gear. Together, they change the direction of power transmission while providing speed reduction and torque multiplication, commonly found in the core modules of heavy machinery differentials or industrial reducers.

The core machining challenges lie in ensuring the involute accuracy of the bevel gear tooth profile, the consistency of the spiral angle, and the angular tolerance of the intersecting gear axes. For ring gear structures with thin-walled characteristics, specialized fixtures are employed to control clamping deformation. High-precision vertical machining centers combined with ball-end mills are used for layered finishing, ensuring tooth surface roughness remains within Ra0.8μm, thereby reducing operating noise and enhancing transmission efficiency. The small-diameter locating pin at the center serves as the assembly reference, requiring strict control of its coaxiality with the gear axis.

Leveraging the multi-axis machining capabilities of our Dongguan precision machining base, we accept custom orders for non-standard gears made from high-strength materials such as stainless steel, alloy steel, and titanium alloys. Our production process is equipped with Coordinate Measuring Machines (CMM) and dedicated gear inspection equipment to perform full-dimensional control over tooth thickness, span measurement, and runout. Please provide 2D/3D drawings including material grades, heat treatment hardness requirements (e.g., carburizing and quenching or tempering), and tooth surface accuracy grades to facilitate tool path planning and subsequent gear grinding assessments. We support signing NDAs to protect your design intellectual property.