LATHE OPERATIONS - OD1645 - LESSON 1/TASK 1
(d) The method used for turning a taper depends on the degree, length,
location of the taper (internal or external), and the number of pieces to be
done. The three basic methods of turning a taper require the operator to
use either a compound rest, offset the tailstock, or use the taper
attachment. With any of these methods, the cutting tool must be set exactly
on center with the axis of the workpiece or the workpiece will not be truly
conical, and the rate of taper will vary with each cut.
During this lesson, only two
operations will be discussed.
(2) Compound Rest.
(a) The compound rest is generally used for turning or boring short
steep tapers, but it can also be used for longer, gradual tapers, providing
the length of the taper does not exceed the