Centres
Headstock and tailstock centres come in a number of different forms:
Dead centre
A centre that does not rotate; commonly found on the tailstock of a lathe.
Also, an expression for the exact centre of an object.
Half male centre
A dead center that has a portion of the 60 degree cone cut away.
Live centre
A centre that revolves with the work, for example the ball bearing type tailstock centre.
See also: Centre Drill, Morse Taper.
Subjects: Mechanical Engineering