09
2020-09
Gear forging can improve the utilization rate of materials, increase productivity, improve the mechanical properties of gears, reduce costs and enhance market competitiveness. Gear forging has greater benefits and potential for mass production in the automotive industry. If the forging can be carried out at room temperature, the shape and size of the gear can be easily controlled, and the error caused by high temperature can be avoided. At present, there are many bevel gears and small cylindrical gears made by this method. When the overall size is suitable, the cold extrusion process can also be used to manufacture cylindrical straight and helical gears. However, most of the gears used for automobile transmission have relatively large diameters and heights, and are not suitable for extrusion.
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