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"BLOCKER, HAND"
Job Description and Jobs

Job Description:

  • 1) Affixes precision optical or ophthalmic lens blanks in metal blocks used to hold blanks during grinding and polishing operations: Selects blocks according to size of lens blank and heats blocks or lenses over gas burner to prepare for adherence of pitch or wax.

  • 2) Pours molten pitch into block, using ladle, or melts wax over holding surface of block, using torch.

  • 3) Presses and centers lens blank into wax or pitch.

  • 4) Pushes lens to test for adherence to block and positions blocked lens under fan for cooling.

  • 5) May smooth and remove sharp edges from lens, using grinding wheel.

  • 6) May test centering of lens in block, using lapping machine.

 

 

 


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End Of Job Description for: "BLOCKER, HAND"
DOT:   716.684-010

Job Number: 9053