C7620-11 semi-automatic chuck multicut lathe was reformed into a kind of simple constructed NC machine,so that the variety of process was increased ,and automation degree was also improved.
In this paper,the cam explorator in contour lathe is designed direct according to the contour of primary products with the mathematical analogue of the working course of the cam。
In order to prevent the reduction of the working accuracy of S1-280 Type Lathe that is made from overwear of main shaft bush bearing, it is substituted with rolling bearing.
Abstract: C7620-11 semi-automatic chuck multicut lathe was reformed into a kind of simple constructed NC machine, so that the variety of process was increased ,and automation degree was also improved.
When night was drawing near, the youth went up and made himself a bright fire in one of the rooms, placed the cutting-board and knife beside it, and seated himself by the turning-lathe.