| Job Title |
Blocker, Hand |
| Job Description |
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. Pours Molten Pitch Into Block, Using Ladle, Or
Melts Wax Over Holding Surface Of Block, Using Torch. Presses
And Centers Lens Blank Into Wax Or Pitch. Pushes Lens To Test
For Adherence To Block And Positions Blocked Lens Under Fan For
Cooling. May Smooth And Remove Sharp Edges From Lens, Using
Grinding Wheel. May Test Centering Of Lens In Block, Using
Lapping Machine.
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