| Job Title |
Screw-machine Set-up Operator |
| Job Description |
Sets Up And Operates Single- Or Multiple-spindle Lathe-type
Screw Machines Equipped With Automatic Indexing And Feeding
Mechanisms To Machine Metal Bar Stock, Following Specifications
And Tooling Instructions And Applying Knowledge Of Screw Machine
Operations: Reads Blueprint Or Job Order For Product
Specifications, Such As Dimensions, Tolerances, Number Of Parts
To Be Machined, And Tooling Instructions, Such As Cutting
Speeds, Feed Rates, Depth Of Cuts, And Cutting Tools To Be Used.
Positions And Secures Specified Collets, Bushings, And Stock
Pushers Onto Stock-feeding Mechanism, Using Wrenches And
Screwdrivers, And Loads Bar Stock Into Feeding Mechanism,
Manually Or Using Hoist. Installs And Adjusts Specified Cams,
Gears, And Stops To Control Stock And Tool Movements At Each
Station. Positions And Secures Tools In Toolholders, Verifying
Positions With Gauges And Other Measuring Instruments. Sets
Cutting Speeds And Feed Rates. Moves Controls To Cycle Machine
Through Settings, Stopping Machine And Adjusting Tool Positions
And Machine Controls To Allow For Operating Factors, Such As
Timing, Clearance Between Moving Parts, And Chip Removal. Starts
Machine, Observes Operation, And Inspects First-run And Sample
Workpiece To Ensure Machining Conforms To Specifications, Using
Measuring Instruments, Such As Plug And Ring Gauges, Calipers,
And Micrometers. Replaces Worn Tools. May Operate Bench Grinder
To Sharpen Tools. May Machine Nonmetallic Materials. May Be
Required To Have Experience With Particular Material Or Product
Or Machine Of Particular Size, Type, Or Trade Name. May Set Up
Machines For Other Workers.
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