| Job Title |
Precision-lens Centerer And Edger |
| Job Description |
Operates Grinder To Edge And Bevel Precision Ophthalmic
Optical Lenses: Reads Work Order Or Blueprint To Determine Edge
Specifications. Selects Lens Holding Tool Of Specified Size And
Mounts Tool In Truing Machine. Starts Machine And Turns
Handwheel To Move Cutting Tool Into Lens Holding Tool To True
Holding Tool. Applies Heated Pitch Or Other Adhesive To Lens
Holding Tool And Affixes Lens On Tool. Passes Beam Of Light
Through Lens And Repositions Lens On Holding Tool Until Beam
Remains Stationary To Center Lens On Tool Or Centers Lens, Using
Collimator. Secures Holding Tool And Lens Assembly In Fixture Of
Edge Grinder. Adjusts Grinder For Variables, Such As Speed, Rate
Of Feed, And Depth And Angle Of Cut. Starts Machine And Turns
Handwheel To Bring Grinding Wheel In Contact With Lens. Observes
Machine Operation; Stops Machine To Measure Lens Edge, Using
Precision Measuring Instruments, Such As Micrometers And
Calipers; And Adjusts Machine To Grind And Bevel Edge To
Specifications. May Hold Lens Against Grinding Wheel To Bevel
Edges To Specified Angle. May Set Up Machines For Other Workers
And Train Workers To Operate Machines.
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