Figure 6-34.--Grinder mounted on a compound rest.
The milling attachment adapts the lathe to
perform milling operations on small work, such as
cutting keyways, slotting screwheads, machining
the setup for milling a dovetail.
The milling cutter is held in an arbor driven by the
lathe spindle. The work is held in a vise on the
milling attachment. The milling attachment is
mounted on the cross-slide and therefore its
movement can be controlled by the longitudinal feed
and cross feed of the lathe. The depth of the cut is
regulated by the longitudinal feed while the length of
the cut is regulated by the cross feed. Vertical motion
is controlled by the adjusting screw at the top of the
attachment. The vise can be set at any angle in a
horizontal or vertical plane. A milling attachment is
Figure 6-35.--Milling attachment.
unnecessary in shops equipped with milling machines.