| Job Title |
Screw-machine Set-up Operator, Single Spindle |
| Job Description |
Sets Up And Operates One Or More Single-spindle Lathe-type
Screw Machines Equipped With Automatic Feeding And Tool-indexing
Mechanisms To Perform Turning, Boring, Threading, And Facing
Operations On Metal Bar Stock On Custom Basis, Analyzing
Specifications And Deciding On Tooling According To Knowledge Of
Screw Machine Operations: Studies Blueprint To Visualize
Machining To Be Done, Dimensions Of Parts And Permissible
Tolerances, And Plans Sequence Of Operations. Selects Cutting
Speeds, Feed Rates, Depth Of Cuts, And Cutting Tools To Be Used
On Basis Of Knowledge Of Metal Properties And Shop Mathematics.
Installs Collets, Bushings, And Stock Pushers In Stock-feeding
Mechanism, Using Wrenches And Screwdrivers, And Loads With Bar
Stock Manually Or With Hoist. Installs And Adjusts Cams, Gears,
And Stops To Control Stock And Tool Movements. Positions And
Secures Tools In Tool Holders, Verifying Positions With Gauges
And Other Measuring Instruments. Moves Controls To Set Cutting
Speeds And Feed Rates. Starts Machine, Observes Operations, And
Verifies Conformance Of First-run And Sample Workpieces To
Specifications, Using Such Instruments As Plug And Ring Gauges,
Calipers, And Micrometers. Replaces Worn Tools. May Operate
Bench Grinder Or Cutter-grinding Machine To Sharpen Tools. May
Machine Plastics Or Other Nonmetallic Materials. May Be Required
To Have Experience With Particular Material Or Product Or
Machine Of Particular Size, Type, Or Trade Name, And Be
Designated Accordingly. May Set Up Machines For Other Workers.
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