Abstract
This project is to alter the common lathe into the economical lathe. The economical lathe is a advanced and roboticized lathe that has low price, convenient operation, and adapt to the situation of our country and has installed cnc system. During the project we particularly dealt with the choice and calculation of every assembly. Such as: The choice and calculation of guide way, ball screw nut pair and drive electromotor. Calculate the inflexibility of feed transmission system. Analyze the error of feed transmission system. Junction between drive electromotor and ball screw. Dynamic analysis of drive electromotor and feed transmission system.
【Key words】Lathe;CNC;Transmission System