摘要
在训练学生车削梯形螺纹时，要注意车刀的选择与刃磨、车刀的装夹、工件的装夹，要调整车床、选择工艺参数、确定工步。梯形螺纹的测量方法主要包括综合测量法和三针测量法。在车削梯形螺纹时，教师应加强巡回指导。
In the training of students making echelon screw thread by turning, the choosing and grinding of knife, putting knife into nip, putting workpiece into nip should be noticed ; the lathe, choice of technics parameter, establishment of working steps should be adjusted. The synthetical measurement and three -needle students. t ; the teacher t of screw thread mainly comprise of should circuit to give instruction to
出处
《职业技术教育》
2006年第2期44-45,共2页
Vocational and Technical Education
