LATHE OPERATIONS - OD1645 - LESSON 1/TASK 1
CHUCKS USED WITH THE LATHE.
A lathe chuck is a device that exerts
pressure on the workpiece to hold it secure to the headstock spindle or
tailstock spindle. Commonly used with the lathe are the independent chuck,
the universal scroll chuck, the combination chuck, the hollow headstock
spindle chuck, the lathe tailstock chuck, the collet chuck, and the step
(2) Independent Chuck.
(a) The independent chuck (figure 14) generally has four jaws which are
adjusted individually on the chuck face by means of adjusting screws. The
chuck face is scribed with concentric circles which are used for rough
alignment of the jaws when chucking round workpieces. The final adjustment