Processing problem of involute spline rolling
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The involute spline has the advantages of automatic centering, good tooth surface contact, high strength, long life, compact structure, light weight, good starting load capacity, etc. It is widely used in aviation, shipbuilding, automobile, tractor, heavy machinery and other industries. The rolling spline forming process has high efficiency, stable precision and high strength (rolling causes the metal material to be plastically deformed by extrusion, causing hardening phenomenon, the strength and hardness are significantly increased, the metal flow line is good, and the mechanical properties of the workpiece are good) In 1972, the country issued the involute spline standard GB/1104-72 "involute spline connection", which has been applied in many factories and fields in recent years. In the process of mass production, we have some problems due to various factors, and we have quality in the process.