The dead centre is made out of high carbon steel, hardened and ground whereas the live centre need not have its conical tip hardened as it revolves with the work. A good lubricant should be used for the dead centre.
The dead centre is made out of high carbon steel, hardened and ground whereas the live centre need not have its conical tip hardened as it revolves with the work. A good lubricant should be used for the dead centre.
The size of three-jaw chuck is specified by the diameter of the body of the chuck
The follower rest has usually two pads. One pad is located opposite to the cutting tool and the other pad bears the top of the workpiece to prevent it from springing up.
Follower rest is fixed on the saddle.
The taper provided in the nose of the tailstock barrel is Morse taper.