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本文在简要分析绞车滚筒螺旋绳槽设计原则的基础上，推出按多头螺纹加工螺旋段的导程公式，并介绍了笔者所在工厂加工这种螺旋绳槽套的方法。
Based on the brief analysis of the design principle of the helical rope groove of the winch drum, this article introduces the lead formula of the helical segment according to the multi-head thread and introduces the method of processing the helical rope groove cover at the factory where I am located.