In order to meet the positioning requirements of high-precision gear processing, the processing of tooth blanks all adopts numerical control lathe, using mechanical clamping without re-grinding the turning tool, and realizes the simultaneous processing of the aperture, end face and outer diameter under one clamping. This not only ensures the verticality requirements of the inner hole and end face of the galvanized H-beam, but also ensures that the size of the large-scale tooth blank production is small and discrete. Thereby improving the accuracy of the tooth blank and ensuring the processing quality of the subsequent gear. In addition, the high efficiency of numerical control lathe processing also greatly reduces the number of equipment and has good economy.

　　Roller/Shaper: The equipment used in the processing of teeth is still a large number of ordinary gear hobbing machines and gear shapers. Although the adjustment and maintenance are convenient, the production efficiency is low. If the large production capacity is completed, multiple machines need to be produced at the same time. With the development of coating technology, the re-coated galvanized H-beam after the sharpening of the hob and the shaper can be easily carried out. The coated tool can significantly improve the durability, generally more than 90%, effectively reducing the number of tool changes and grinding time, and the benefits are significant. At present, this technology has been promoted in the company.

　　Shaving in Shenzhen Machinery Processing Plant: Radial shaving technology is widely used in large-scale automobile gear production due to its advantages of high efficiency and easy realization of the modification requirements of the design tooth shape and tooth direction. Since the company purchased the special radial shaving machine from the Italian company in 1995, it has been applied in this technology maturely, and the processing quality is stable and reliable.

　　Shenzhen Machinery Processing Plant Heat Treatment: Automotive gears require carburizing and quenching to ensure the good mechanical properties required by their design. For products that are no longer ground after heating, stable and reliable heat treatment equipment is indispensable. The company introduced the continuous carburizing and quenching production line of German Labor Company, which obtained satisfactory heat treatment results.

　　Grinding: It is mainly the finishing of the inner hole, end face, outer diameter of the shaft and other parts of the gear that have been heat treated to improve the dimensional accuracy and shape accuracy. Gear processing adopts pitch circle fixture positioning and clamping, which can effectively ensure the processing accuracy of the tooth part and the installation reference, and obtain satisfactory product quality.