Sets up and operates computer numerically controlled horizontal or
lathe or machining center to perform machining operations such as
boring, facing, and threading parts such as castings, forgings, and
bar stock by
performing the following duties in the advanced level.
ESSENTIAL DUTIES AND RESPONSIBILITIES:
Include the following. Other duties may be assigned.
Reads process sheets, blueprints, and sketches of part to determine
be done, dimensional specifications, set up, and operating
Can find correct locations in machine tool program to do a
Can load any program from supervisors work station to any machine
their work area.
Mounts work piece between centers, in chuck, or in fixture.
Selects and installs preset tooling in tool posts, turrets or
and automatic tool change magazine, in sequence specified on
Depresses buttons, and starts machining operation on one or more
Observes numerical displays on control panel and compares with data
sheet to verify dimensional adjustments, feed rates, and speeds of
Turns dials and switches to override control and correct machine
after authorization from area supervisor.
Inspects first run piece and spot checks succeeding pieces for
Studies job packet and organizes materials for next run during
controlled cycles to shorten changeover time.
Pre-sets tools before positioning them in machine.