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Home > Ordnance Documents and other related manuals > > Figure 22. Taper Attachmernt
Figure 21. Follower Rest.
Figure 23. ToolPost Grinding Machine.

Lathe Operations
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LATHE OPERATIONS - OD1645 - LESSON 1/TASK 1
will follow the cutter bit and bear upon that portion of the workpiece that
has just been turned.
The cut must be started and continued for a short
longitudinal distance before the follower rest is applied.
The rest is
generally used only for straight turning or threading long, thin workpieces.
g.
Taper Attachment.
(1) The  taper  attachment  (figure  22)  is  used  for  turning  and  boring
tapers.  It is bolted to the back of the carriage saddle.  In operation, it
is connected to the cross-slide so that it moves the cross-slide laterally
as the carriage moves longitudinally.  This action causes the cutting tool
to move at an angle to the axis of the workpiece to produce a taper.  A more
detailed description on the operation of the taper attachment will be given
on page 65, paragraphs 3(1)(a) through (d).
FIGURE 22.
TAPER ATTACHMENT.
(2) The  angle  of  the  desired  taper  is  set  on  the  guide  bar  of  the
attachment, and the guide bar support is clamped to the lathe bed.  Since
the cross-slide is connected to a shoe that slides on
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