目前我國各工具厂和有关工厂的工具車間在制造滾刀时,一般都用万能工具顯微鏡來檢查滾刀的質量。但是使用这种仪器,不但麻煩費时,而且所能檢驗的項目(滾刀的齒距,齒形,和螺旋升角等)也有限,因此它在生產上不受欢迎,只好采取另一办法,把滾刀制成后試切一、 At present, China’s tool factories and related factory tool shop in the manufacture of hob, the general use of universal tool microscope to check the hob quality. However, the use of such equipment is not only cumbersome and time-consuming but also limited in terms of test items (pitch, tooth profile, helix angle etc.) of the hob, so it is unpopular with production and has to resort to another method , Cut the hob made of a test cut,