Lathes Page: 37
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GENERAL LATHE OPERATIONS
Shoulder turning _______
Knurling __---- --
Filing and polishing-
Radius turning and boring_
Spring winding on lathe___
_._._ - 24
WOPRK o BE AC
FIGURE 24.-Tool bit position for facing.
22. General.-While most turning jobs differ in nature, many
fundamental operations are carried on in the same manner for all
classes of work. These may be considered as general operations and
will be described in subsequent paragraphs.
23. Facing.-a. Square finishing of the ends of the work to a
desired length is referred to as facing and may be done either in the
lathe chuck or between centers.
b. In order to face a surface in a lathe, the cutting edge of the
tool bit must be set at the center of the axis of rotation to obtain a
smooth surface. The point of the tool bit may be raised or lowered
by shifting the tool post rocker (fig. 34), which is used to support the
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United States. Army. Air Corps. Lathes, book, November 29, 1940; Washington, D.C.. (digital.library.unt.edu/ark:/67531/metadc96655/m1/39/: accessed April 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.