7315-Glass Makers, Cutters, Grinders and Finishers

Tasks include:

• heating glass to pliable stage, using gas flames or ovens, and rotating glass to heat it uniformly
• blowing and bending glass tubing into specified shapes to form scientific apparatus like flasks, retorts, pipettes
• grinding and polishing glass objects or parts to correct defects or to prepare surfaces for further finishing and smoothening and polishing rough edges, using belt sander or polishing wheels
• examining glass stock and finished products and marking or discarding items with defects such as spots, stains, scars, snags, chips, scratches, or unacceptable shapes or finishes
• reading work orders to determine dimensions, cutting locations, and quantities to cut
• observing gauges, computer printouts and video monitors to verify specified processing conditions and make adjustments as necessary
• positioning pattern or drawing on glass, measuring dimensions, and marking cutting lines, using glass cutting tools and cutting glass along marked outlines or around pattern
• setting up, operating and adjusting computerised or robotic glass cutting equipment
• inspecting, weighing, and measuring products to verify conformance to specifications, using instruments such as micrometers, callipers, magnifiers, and rulers
• regulating oven temperatures according to glass types to be processed
• transferring pattern for individual stained glass parts from full size drawing to pattern paper, using stylus to trace drawings
• spraying silver solution on glass to provide mirrored surface, using spray gun
• laying out cutting and grinding optical and other glass to specified dimensions and weight for moulding into lens blanks and for use as watch crystals