- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who supervises and coordinates workers engaged in cutting flat or sheet glass to length from continuous ribbon of glass to facilitate handling or cutting glass to size on automatic or semiautomatic cutting machines. Responsibilities include:
* Reviews production schedules to determine cutting dimensions and cutting sequence.
* Measures length and width of cut glass to ensure cutters are spaced correctly.
* Gauges thickness of glass with micrometer to ensure that glass thickness is within specifications, and notifies glass drawing or rolling department of measurements.
* Examines glass for flaws, such as stones, blisters, or cracks, to ensure maintenance of standards.
* Examines equipment for malfunction and orders repairs, such as change of cutter heads.
* Performs other duties as described under supervisor master title.
* May perform test runs to ensure cutting program on computerized cutting equipment is correct.
* May supervise workers packing glass in shipping containers.
Industry:Professional careers
A professional who supervises and coordinates workers engaged in cutting flat or sheet glass to length from continuous ribbon of glass to facilitate handling or cutting glass to size on automatic or semiautomatic cutting machines. Responsibilities include:
* Reviews production schedules to determine cutting dimensions and cutting sequence.
* Measures length and width of cut glass to ensure cutters are spaced correctly.
* Gauges thickness of glass with micrometer to ensure that glass thickness is within specifications, and notifies glass drawing or rolling department of measurements.
* Examines glass for flaws, such as stones, blisters, or cracks, to ensure maintenance of standards.
* Examines equipment for malfunction and orders repairs, such as change of cutter heads.
* Performs other duties as described under supervisor master title.
* May perform test runs to ensure cutting program on computerized cutting equipment is correct.
* May supervise workers packing glass in shipping containers.
Industry:Professional careers
A professional who sets up and operates machine to slit and cut mineral wool blanket into batting of specified dimensions and enclose them in paper covering. Responsibilities include:
* Installs and adjusts slitting saws, edge cutters, dividers, flange sealing rollers, and paper guide rollers, using rule, wrenches, screwdriver, and hammer, or by turning handwheels and moving levers.
* Positions paper rolls in upper and lower machine racks, using hoist.
* Tightens collars on shaft to secure rolls, using wrench.
* Starts machine and turns wheel to align rolls, and threads paper into feed rollers.
* Raises and lowers blanket feed table under master roller to control thickness of batting.
* Stops machine to remove substandard material and make adjustments to correct defects.
Industry:Professional careers
A professional who operates diamond-studded saw to cut slabs of optical glass into various sizes and shapes for molding into or direct use as blanks for making lenses, prisms, mirrors, and other optical elements for precision instruments. Responsibilities include:
* Reads work order or receives oral instructions regarding glass to be cut.
* Refers to chart to determine size of pieces to be cut for weight specified.
* Inspects glass for defects, such as bubbles, cracks, or striae, and determines cutting method to obtain maximum number of blanks.
* Marks cutting lines on glass, using marking pencil.
* Positions stock on bed of saw and sets guides for depth and width of cut.
* Starts machine and saws glass following markings.
* Removes, weighs, and measures glass blank to ensure conformance to specifications.
* Examines blanks to be molded for chips and sharp edges and removes defects, using grinder.
* May remove excess stock from cut or molded blanks, using surface grinder.
Industry:Professional careers
A professional who operates precision saws to slice wafers from semiconductor crystal ingots, such as silicon or gallium arsenide. Responsibilities include:
* Attaches mounted crystal to holding fixture of automatic feed on saw, using clamps.
* Adjusts saw controls to set speed and angle of saw blade, thickness of cut, and angle of holding fixture.
* Operates saw to cut sample wafer from crystal ingot.
* Measures crystal orientation of sample wafer, using x-ray machine, and measures thickness of sample wafer, using calipers or thickness gauge.
* Inspects sample wafer for flaws, such as saw marks, chips, bow, and taper.
* Readjusts saw controls based on measurements and inspection.
* Starts saw and observes operation of saw to ensure wafers are sliced according to specifications.
* Removes sliced wafers from saw and cleans wafers in sink or ultrasonic cleaner.
* May mount crystal ingot to mounting block.
* May be designated according to type of saw operated as v-block saw operator; wire saw operator.
Industry:Professional careers
A professional who sets up and operates diamond-or silicon carbide-toothed circular saw to cut blocks of stone into specified dimension. Responsibilities include:
* Builds bed of timbers on car preparatory to positioning stone on car.
* Levels stone on bed, using crowbar, wedges, blocks, rule, and spirit level.
* Marks dimensions on stone according to diagram, using rule, square, straightedge, and chalked string or crayon.
* Traces along marks on stone, using chisel and hammer.
* Turns crank or presses button to move car under saw frame.
* Presses buttons to align saw blade with line traced on stone and lower blade to stone.
* Starts saw and pushes lever to move rotating blade across surface of stone or move stone under blade.
* Turns valve to circulate water (coolant) or abrasive on blade during cutting.
* Presses button to lower blade in stone as depth of kerf increases.
* Inserts bar under stone and lifts it to split stone not severed by blade.
* Verifies width or thickness of slab, using rule.
* May set saw for automatic reciprocation.
* May change blades as depth of kerf increases, using wrench.
* May attach abrasive grinding wheel to arbor to grind grooves in stone.
* May set end-stops according to width of cut.
* May read ammeter to determine resistance against blade and turn crank to adjust blade pressure against stone.
* May saw products, such as asbestos-cement sheets and pipes or concrete slabs.
* May be designated according to material cut as marble-cutter operator; slate-cutter operator; or according to saw operated as diamond-saw operator.
Industry:Professional careers
A professional who sets up and operates one or more wire saws to cut blocks of stone into specified dimensions. Responsibilities include:
* Threads cables through machine pulleys and solders ends of cable together, using silver solder and torch.
* Builds bed of timbers on car preparatory to positioning stone on car.
* Signals overhead crane operator or operates crane to position stone on bed of car.
* Starts winch that pulls car onto track under sawing cable.
* Levels stone on timber bed, using crowbar, wedges, blocks, rule, and spirit level.
* Marks dimensions on stone according to diagram, using rule, square, straightedge, and chalked line.
* Presses button to lower sawing cable onto stone and moves car to align cable with line marked on stone.
* Positions abrasive hose on stone, and starts saw and pump that circulate abrasive and water under moving cables that cut stone by dragging abrasive across stone.
* Observes operation to detect uneven sawing and exhausting supply of abrasive.
* Tightens pulleys to increase tension on cables to restore even sawing.
* Dumps abrasive in abrasive pit to maintain cutting speed.
* Verifies width or thickness of cut stone, using rule.
* Replaces worn cables.
* May cut sheet metal pattern of design to be sawed.
* May drill holes in stone and insert saw cable through hole, using portable drill.
* May operate vertically mounted wire saw to cut out designs in stone.
* May be designated according to type of saw operated as contour wire sawyer; multiple-wire sawyer.
Industry:Professional careers
A professional who feeds and off bears diamond circular saw to assist operator to cut slate slabs. Responsibilities include:
* Removes slate slab from truck bed and positions slab on machine bed, using electric crane.
* Measures and marks dimensions on slab, as directed by saw operator, using tape measure and grease pencil.
* Raises slab from machine bed, using crowbar, and places blocks and wedges under slab to level and support stone during cutting process.
* Pushes turntable mounted on machine bed to align slab with cutting marks for preliminary cut and each succeeding cut.
* Examines cut edge of stone for defects, such as splits or fractures.
* Lifts cut slabs from machine, assisted by operator and places slabs onto pallet.
* Places waste stone in waste bin or stacks stone for splitting into flagstone.
* Washes stone chips and dust slabs and work area, using water hose.
Industry:Professional careers
A professional who sets up and operates automatic cutting machine that scores and breaks flat glass into standardized sections. Responsibilities include:
* Positions trip switches to adjust stroke of cutting bridges for longitudinal and latitudinal scoring of glass.
* Manually positions sets of cutter heads on bridge or sets controls that position them to score glass into specific dimensions.
* Turns controls to change height of bridges to adjust depth of scoring cut.
* Adjusts timing mechanism to synchronize breaker bar to snap glass at score.
* Starts automatic vacuum-cupped crane that lifts and transfers cut glass.
* Starts machine to verify setup and to make necessary adjustments.
* Measures cut glass with tape to verify dimensions and observes glass for irregular breaks and uneven edges.
* Removes and replaces worn cutter heads, using handtools.
* Maintains record of production, using counter.
* May review work order to determine cutting sequence.
* May direct workers who are members of cutting team.
* May operate single cut machine.
Industry:Professional careers
A professional who tends automatic vacuum crane that removes lites of glass from cutoff machine conveyor. Responsibilities include:
* Turns valves to activate vacuum cups on crane that hold glass during unloading-stacking cycle, and starts crane.
* Inspects glass for spalls (rough edges) as glass passes on conveyor.
* Trims spalls from glass with glass-cutting wheel and notifies glass-cutting-machine operator, automatic of glass condition for correction.
* Stops crane cycle to allow passage of broken or defective glass from conveyor into cullet waste glass chute.
* Counts glass stacked on turntable, and pushes switch to move turntable to next loading station.
* May use spotlight to highlight defects in glass.
* May work as member of team.
* May load lites on automatic, multicutting machine to cut lites into sections, using automatic vacuum-cupped crane, and be designated glass-loading-equipment tender.
Industry:Professional careers
