In about 1792 --- Screw cutting lathe with a slide rest This machine was developed by Maudsley, which was more efficient than any previous machine. Figure 1-3.Henry Maudslay's screw-cutting lathe.This machine tool,constructed on a heavy frame,combined a mas- ter lead screw and a movable slide rest.The lead screw had to be changed when a different thread pitch was required. (DoALL Co.)
In about 1792 -------- Screw cutting lathe with a slide rest This machine was developed by Maudsley, which was more efficient than any previous machine
>Throughout the Industrial Revolution-------a lot of different type of machine tools From about 1850-1950-----------a whole range of new types of machine tools such as capstan(turret)lathes(转塔式六角车 and cam-controlled machines with mechanical systems for automatic control
Throughout the Industrial Revolution-------a lot of different type of machine tools From about 1850-1950----------- a whole range of new types of machine tools such as capstan (turret) lathes （转塔式六角车 床） and cam-controlled machines with mechanical systems for automatic control