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不重磨式螺纹车刀是一种新型刀具。用它加工螺纹具有效率高、省材料、使用方便、节省辅助时间等优点。因此,是螺纹车刀发展的趋向。从76年,我们开始了对不重磨螺纹车刀的研究,到目前为止,先后研制成功了几种不重磨式螺纹车刀。不重磨螺纹车刀的关键是不重磨螺纹刀片。本文着重介绍已研制成功的几种不重磨螺纹刀片及其特点;对不重磨式普通螺纹车刀某些切削角度的计算以及使用条件有变化时的刃形角的修正问题也加以说明。
Non-restoring thread turning tool is a new type of tool. Use it to process threads with high efficiency, save materials, easy to use, save time and other advantages. Therefore, the development trend of thread turning tools. From 76 years, we started the research on the non-reworked thread lathe tool. So far, we have successfully developed several non-reworked thread lathe tools. The key to not reworking the thread turning tool is to not re-thread the thread insert. This article focuses on the successful development of several non-reworked thread inserts and their characteristics. The calculation of some cutting angles for non-worn ordinary thread turning tools and the correction of the knife-edge angle when the service conditions are changed are also described.