- Industri: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up and operates one or more machines to bevel, pencil edge, and polish rectangular glass or mirror edges. Responsibilities include:
* Loosens calibrated gauge with wrench and turns gauge to set grinding wheels to cut bevel to close tolerances.
* Presses buttons and turns handwheels to start flow of coolant (water) and polishing compound (rouge or cerium) onto grinding wheels.
* Starts machine and places glass or mirrors on conveyor of machine.
* Observes ammeter to determine grinding load.
* Turns handwheels to adjust grinding wheels.
* May move glass from machine and wipe edges to remove polishing compound.
* Feels edge for smoothness.
* Rejects defective glass or mirror and readjusts gauge.
Industry:Professional careers
A professional who sets up and operates machine to grind and polish edges and cut drip grooves on underside of sandstone table and counter tops. Responsibilities include:
* Reads work instructions written on sandstone slab.
* Presses buttons and pulls levers on control panel to start diamond saw and specified combination of diamond grinding and polishing wheels.
* Turns valve to start water flow that cools grinding and polishing wheels and saw blades during operation.
* Pushes sandstone slab from roller conveyor onto belt conveyor that conveys stone through grinding, polishing, and sawing process.
* Examines slab to determine if grinding, polishing and sawing conforms to specifications.
* Reprocesses slabs not meeting specifications.
* Lubricates machine, using grease gun.
* Examines diamond grinding, and cutting tools for wear and notifies supervisor of replacement need.
Industry:Professional careers
A professional who operates jewel-opening machine to smooth and polish jewel holes to size. Responsibilities include:
* Mounts wire, on which jewels are strung, in machine, pulls wire taut, and forces sleevelike devices against each end of jewel row to force jewels tightly together.
* Brushes shellac over jewels and allows them to harden.
* Starts belt which causes row of jewels to rotate around wire.
* Pulls diamond-dusted tapered wire back and forth through rotating jewels to enlarge and polish holes.
* Pulls thicker portion of wire into working position until hole reaches specified diameter.
* Verifies size of hole on graduated tapered needle.
* Works to tolerances of 0.0001 inch.
Industry:Professional careers
A professional who sets up and operates machine to cut mitered or rectangular grooves in flat glass articles, such as mirrors, counter dividers, or shelves. Responsibilities include:
* Installs grinding (cutting) wheels according to specifications, using wrench.
* Sets guide rails according to width of glass, using ruler and screwdriver.
* Clamps stop on end of table to hold glass in position.
* Positions glass against stop and guide rail and starts machine.
* Turns valve to start flow of coolant against grinding wheel.
* Depresses pedal to lower wheel to surface of glass.
* Pushes lever to move glass and table under grinding wheel.
* Observes grinding process and feels cut to determine if groove is being cut to specified depth.
* Turns handwheel to adjust weight or pressure of grinding wheel on workpiece.
Industry:Professional careers
A professional who operates bridge-like track-mounted machine equipped with horizontally mounted cast iron grinding wheel to level surface of dimension stone used for building purposes and in manufacture of monuments. Responsibilities include:
* Turns valve to start and adjust flow of water and abrasive over stone and grinding wheel.
* Climbs into cab of machine or onto control platform and moves levers to guide abrasive wheel over stone, observing level gauge to detect uneven areas.
* Observes ammeter to determine resistance against grinding wheel and moves levers or pushes buttons to adjust pressure of wheel against stone and control speed of wheel.
* May operate machine that oscillates rotating grinding wheel as it traverses slab, using successively finer abrasives to grind and buff stone to mirror-like finish and be designated slab polisher.
* May operate machine equipped with cast iron wheel set with diamond-impregnated polishing bars to grind (sand) and polish sandstone and be designated diamond sander.
Industry:Professional careers
A professional who tends machine that faces and grinds specified radii on abrasives. Responsibilities include:
* Sets machine guides to regulate angle of feed of abrasive to grinder.
* Places abrasive in fixture and manually feeds abrasive to grinding wheel, or starts machine that automatically feeds abrasive against grinder.
* Inspects abrasives for conformance to specifications, using fixed gauge and micrometer.
Industry:Professional careers
A professional who tends machine that grinds rough-sawed stone blocks or slabs to smooth surface and specified finish. Responsibilities include:
* Positions designated surface of stone on machine bed (rotating circular metal plate), using electric hoist.
* Dumps abrasive, such as grit, sand, and steel shot into hopper of machine.
* Starts machine, turns valves, and opens hopper gate to regulate flow of water and abrasive under stone.
* Measures block or slab to verify thickness with work order specifications.
* Removes finished stone from rubbing bed and cleans abrasive from surface, using scraper, brush, and water hose.
* May place lead or stone weights on block to ensure even abrading of stone.
Industry:Professional careers
A professional who tends machine that bevels ends of asbestos brake linings. Responsibilities include:
* Reads work order to determine quantity, size and type brake linings to be beveled.
* Moves brake linings to work area, using portable rack.
* Loosens locknuts and positions machine guides and stop according to specification, using rule, wrench and template.
* Pushes buttons to start machine and conveyor.
* Places and holds lining against stop and over grinding wheels to bevel ends of lining.
* Removes beveled lining from machine and compares with template to determine conformance to specifications.
* Places lining onto conveyor for conveyance to packaging department.
* Records number of linings beveled onto work order.
Industry:Professional careers
A professional who tends machine that conveys flat glass or mirrors under polishing (blocking) and cleaning heads to polish and clean glass surface. Responsibilities include:
* Mixes polishing compound according to formula and pours compound into storage tank.
* Feeds glass or mirrors onto conveyor of machine.
* Pushes button to start machine and pulls lever to start flow of polishing compound onto glass or mirror surface.
* Pushes button to raise or lower polishing heads and cleaning brushes individually or collectively according to size, thickness, and number of glass pieces.
* May record production.
Industry:Professional careers
A professional who tends machines that grind and polish beveled edge of circular-shaped glass for mirrors. Responsibilities include:
* Reads work ticket to determine dimension of bevel required.
* Pulls switch to start suction pump.
* Holds glass against suction-head (holding device) and depresses pedal to activate suction that holds glass to be beveled.
* Pushes suction-head assembly toward horizontally mounted grinding wheel and releases locking pin to secure assembly at specified position.
* Repeats procedure for second suction-head assembly mounted on opposite side of grinding wheel.
* Pulls switches to start grinding wheel and suction-heads rotating.
* Turns valves to start flow of water to grinding wheel.
* Lowers weighted levers that move and hold glass against grinding wheel.
* Measures depth of bevel periodically, using rule.
* Removes glass from beveling machine and mounts glass on suction-head of bevel polishing machine.
* Applies polishing compound to felt polishing wheel, using bristle brush.
* Lowers weighted lever to position beveled edge of glass against polishing wheel.
* Wipes bevel with fingers and inspects glass for smoothness.
Industry:Professional careers
