| Job Title |
Grinder Operator, External, Tool |
| Job Description |
Sets Up And Operates External Grinding Machines To Grind
External 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 External 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. Dresses
Wheel Manually Or With Preset Dressing Device. Moves Controls
And Reads Dials To Set Angle Of Workpiece To Grinding Wheel.
Positions And Secures Workpiece Between Centers, On Magnetic
Chuck, Or In Chuck Jaws, Using Wrenches. Selects And Sets
Grinding Wheel Speed, Work Surface Speed, And Travel Rate Of
Powered Table. Positions And Tightens Stops To Set Depth Of
Grinding Wheel Cut And Stroke Of Worktable. Moves Controls To
Feed Wheel To Workpiece Manually Or 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. 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 Size,
Type, Or Trade Name. May Set Up Machines For Other Workers. May
Be Designated According To Type Of Machine Operated As Roll
Grinder Operator (machine Shop).
|
