| Job Title |
Grinder Set-up Operator, Internal |
| Job Description |
Sets Up And Operates Internal Grinding Machines To Grind
Internal Cylindrical And Tapered Surfaces Of Rotating Metal
Workpieces, Such As Tool, Die, And Machine Parts, Usually For
Limited Runs, Analyzing Blueprints And Specifications And
Selecting Tooling According To Knowledge Of Internal Grinding
Procedures: Studies Blueprint Or Layout On Workpiece To
Visualize Grinding To Be Done And Plans Sequence Of Operations.
Selects Grinding Wheel, According To Knowledge Of Metal
Properties And Abrasives, And Mounts Wheel On Spindle. Moves
Controls And Reads Dial To Set Angle Of Workpiece To Grinding
Wheel, Following Product Specifications. Dresses Wheel Manually
Or With Preset Device. Positions And Secures Workpiece On
Faceplate, Magnetic Chuck, Or In Chuck Jaws, Using Wrenches.
Selects And Sets Grinding Wheel Speed, Work Surface Speed, And
Workpiece Table Travel Rate, According To Knowledge Of Metal
Properties And Abrasives. Positions And Tightens Stops To Set
Depth Of Grinding Wheel Cut And Stroke Of Workpiece Table. Moves
Controls To Feed Wheel To Workpiece Manually And Automatically.
Turns Valve Handle And Directs Flow Of Coolant Against Wheel And
Workpiece. Verifies Dimensions Of Ground Workpiece For
Conformance To Specifications, Using Such Measuring Instruments
As Micrometers, Dial Indicators, And Gauge Blocks. May Dress
Grinding Wheel To Specified Profile For Contour Grinding, Using
Special Fixtures And Tools. May Grind Nonmetallic Materials,
Such As Plastics. May Operate Tracer Attachment To Duplicate
Contours From Templates Or Models. May Be Required To Have
Experience With Particular Material, Product, Or Precision
Level, Or With Machine Of Particular Type Or Trade Name.
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