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Job Description:

  • 1) Inspects parts for defects in finish and dimensions, using machine that projects magnified shadows of parts on screen: Reads specifications of part to ascertain form and degree to be magnified.

  • 2) Draws enlarged outline of part to scale on chart, using scribers, dividers, and straightedge.

  • 3) Places chart over translucent glass disk of comparator machine.

  • 4) Inserts specified lens into machine and adjusts mirrors to magnify parts.

  • 5) Positions and secures parts on machine table.

  • 6) Turns light on and moves levers of machine to bring shadows of parts into focus with chart outline.

  • 7) Inspects shadows for imperfections of finish and incorrect dimensions.

  • 8) Prepares reports of findings.

  • 9) May rotate part in holding fixture to examine surfaces and to verify concentricity of parts.




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End Of Job Description for: "COMPARATOR OPERATOR"
DOT:   699.384-010

Job Number: 2172