螺纹磨床使用多线砂轮磨削螺纹是一种高效率加工方法。在国内,多线砂轮的修整历来是采用滚压成形的方法。但是,滚压用的钢制滚压轮要求较高,而对砂轮的滚压不但成形困难,而且又极易磨损(尤其是粗修砂轮),所以阻碍了螺纹多线磨削工艺在生产中普遍应用。为了改变传统的滚压修整法,我们设计了一种修整器,而且摸索出一套相应的修整法。它对多线砂轮的修整时间仅为滚压法的3/5。修整器因大颗粒金刚石的研制成功(由上海金刚石工具厂生产)就很容易解决 Thread Grinder Grinding threads with multi-line grinding wheels is a highly efficient machining method. In China, multi-line grinding wheel dressing has always been the use of rolling forming method. However, the rolling of steel rolling wheel is more demanding, and the wheel rolling not only forming difficult, but also very easy to wear (especially rough grinding wheel), which hindered the thread multi-line grinding process in production Commonly used. In order to change the traditional rolling trimming method, we designed a dresser, and worked out a set of appropriate trimming method. Its dressing time for multi-line grinding wheels is only 3/5 of the rolling method. The dresser is easily solved due to the successful development of large-grain diamonds (produced by Shanghai Diamond Tools Factory)