Mechanic Lens/Prism Grinding is a trade that involves the skillful manipulation of optical elements, such as lenses and prisms. It includes making components such as mirrors, painting glass, polishing glass, and periscopes.
Mechanic Lens/Prism Grinding involves: Operating a lens format cutting machine Operating a lens grinding machine Operating an opto lab Using a metal grinding disc with the required dioptric curve Clamping the metal grinding disc on the spindle of the machine Placing a metal block with a mounted lens blank against the grinding disc
These are the steps for a lens grinder: Operate the grinding machine to grind the surfaces of lens blanks to the required curvature and thickness Select a metal grinding disc with the required dioptric curve Clamp the metal disc on the spindle of the machine Place the metal block with the mounted lens blank in position against the grinding disc
Typical course contents: - Safety aspect related to the trade, basic fitting operations viz., making, filing, sawing, chiseling, drilling, tapping, grinding to an accuracy of ±0.25mm. - Making different components such as Mirrors (glass mirror, furniture mirror, concave mirror, convex mirror etc.), - Painting of glass, Polishing of Glass, and Periscope etc. within required accuracy. - Operation of Lens Format cutting machine, Lens Grinding machine Opto lab. - Different operation such as Curve generation, Grinding, Smoothing, Polishing & Hand Polishing, Centering &Edging, Cementing of lenses, Fusion of Lenses, Anti reflection coatings to manufacture spectacles Lenses, Prism and other flat surfaces etc. within required accuracy. - Surface finish of optical components and for Inspection of various parameters of Lens use of optical instruments and devices such as Telescope, Microscope, Binoculars, Periscope, Range Finder, Theodolites. - Night Vision devices, Lensometer, Auto Refractometer, Slit lamp, Lens tray, Lens frame, optical refraction unit, Phoropter, Retinoscope and idea about optical aberrations etc
Sample Curriculum: Mechanic Lens/ Prism Grinding
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