Because the stepless gearshift mechanism with two cone wheels and a friction disk wheel has such advantages as transmission being stable, low noise, simple configuration, various forms and avoidable damage of elements with overload sliding, it has been widely used in actual practice, especially in precision machines and instruments.

Welding repair of bevel gear shaft of 17CrNiMo6 steel alloy;

Study on Intervention in Normal Circular-arc Bevel Gears Processing;

Study on intervention in milling normal circular-arc bevel gears;

Structure of forming die for preparing high strength PM bevel gears;

A design method for gear grinding machine with conical wheel based on function modularization;

According to the working principle of gear grinding with generating method and meshing theory of gears,the validity of involute helicoid grinding with conical wheel gear grinding machine was proved with normal method of tooth profile,where the equations of tooth profile and involute helicoid were concerned.

According to the working principle of conical wheel gear grinding machine and meshing theory of gears,the involute helicoid grinding with conical wheel gear grinding machine is proved with normal of tooth profile method,which include equations of tooth profile and involute helicoid.

Design of bevel gear forgings and Developing of SolidWorks;

Optical design of flashed cold die forging of car used bevel gear;

Simulation and creating model of straight bevel gear;

The Adjustment for the Clearance of the Helix Cone Gear Mesh Side for the Reducer and the Clearance of Paired Cone Roller Bearings;

The influence of the load distributing in the tooth direction and the superposition degree of cone gear on the transmission;

Measures to control heat treatment distortion of the cone gears were tested and analyzed.