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循环球转向器是我厂最近开发的新产品,因其传动效率高,故受到汽车厂的广泛采用。为了得到较高的传动效率,必须保证螺纹滚道的加工质量。螺纹滚道的加工以热处理前后来划分,热处理前的加工属于成形加工,其目的是为热处理后的精加工服务的。由于螺母采用渗碳淬火的热处理方法,为了精加工获得较高的生产能力,要求尽量减少加工磨量,并保证磨削后表面的渗碳层均匀,这就对成形加工提出了一定的要求。
Recirculating ball steering gear is a new product recently developed by our factory. Because of its high transmission efficiency, it is widely adopted by automobile factories. In order to get a higher transmission efficiency, we must ensure the quality of thread raceway processing. Thread raceway processing to heat treatment before and after to divide, heat treatment before the processing is forming, its purpose is to heat treatment after finishing services. As the nut carburizing quenching heat treatment method, in order to get a higher precision machining capacity, processing requirements to minimize grinding, and ensure that the carburized layer surface after grinding uniform, which formed on the processing of certain requirements.