Overview of lathes

Model of lathe

Lathes are numbered using Chinese letters and pinyin numbers according to a specific combination of rules indicating the type and main characteristics of the machine.

B – Lathe type; 6 – Ordinary lathe type; 1 – Ordinary lathe type;

32 – Maximum processing diameter is 320 mm.

The meaning of the old model C616 is as follows:

B – lathe; 6 – ordinary lathe; 16 – 1/10 of the distance from the center of the spindle to the surface of the bed, that is, the center height is 160 mm.

Rotation and application of lathes.

In order for the lathe tool to be able to cut off excess metal from rough parts, during turning, the lathe spindle sets the workpiece in rotation, which is called the main movement; the rest of the lathe tool sets the lathe in motion. longitudinally, transversely or in a straight line. Called feed motion. Through the relative motion of the turning tool and the workpiece, the rough parts are cut into parts of a certain geometric shape, size and surface quality that meet the requirements specified in the drawing.

In a machine shop, lathes account for about half of the total number of machine tools. Lathes have a wide range of processing, mainly processing various rotating surfaces, including ends, outer circles, inner circles, cones, threads, rotary grooves, rotating forming surfaces and knurling, etc. The dimensional accuracy of ordinary turning is generally IT10~IT8, the surface roughness value is Ra=6.3~1.6μm.