切制蜗轮的刀具,已经历了原始型滚刀——双飞刀——修型滚刀三个不同的发展阶段。目前,就我国大多数工厂的实践看,由于全修型滚刀的铲齿技术难以解决,又反回到双飞刀切制工艺,并用研齿的辅助手段,补足双飞刀切制工艺的缺陷,使其达到修型 Worm cutting tools, has gone through the original type hob - double flying knife - repair hob three different stages of development. At present, the practice of most factories in our country shows that as the full-type hob’s tooth-scraping technology is difficult to solve, it goes back to the double-flyknife cutting process and complements the double-flyknife cutting process with the help of the auxiliary teeth. Make it up to repair