Job Description:

• 1) Sets up and operates lens generating machine to grind ophthalmic and optical element blanks, such as lenses, prisms, and optical flats, to specified curvature and thickness: Reads work orders, sketch, or blueprint to ascertain grinding specifications.

• 2) Selects specified size holding tool or fabricates tool to fit optic blank.

• 3) Presses blank into holding tool and mounts tool in generator.

• 4) Selects specified diamond grinding wheel and secures wheel on generator spindle.

• 5) Adjusts generator controls to regulate rotation speed of tool and blank, rate of feed, angle of arc, and depth of cut.

• 6) Positions coolant nozzle over blank and starts generator to grind blank to specified curvature and thickness.

• 7) Observes generator operation.

• 8) Stops generator after specified time lapse and measures optic blank to verify curvature and thickness, using precision measuring instruments, such as dial gauge, spherometer, and micrometer.

• 9) May utilize pitch or vacuum holding device to secure blank on holding tool.

• 10) May move generator controls manually to grind blank.

• 11) May operate surface grinder or milling machine to generate optical surfaces.

• 12) May be designated according to type lens ground as Cataract-Lens Generator; Eyeglass-Lens Generator; Instrument-Lens Generator; Multifocal-Button Generator.

• 13) May operate lens generator to remove scratches and true surface of lens and be designated Truer.