1. Rough-finishes stamping-die-member surfaces, using abrasives and abrading handtools: Lifts and positions die member on bench manually or with hoist. 2. Brushes blue pigment on ridges and grooves left by milling operation. 3. Grinds ridges down until only traces of pigment are visible at bottom of grooves. 4. Uses variety …
1. Cleans dies used to extrude dough to form macaroni: Unbolts and removes dies from presses, using wrench and screwdriver, and places dies in tub of water to soften dough residue. 2. Adjusts die-washing-machine platform to accommodate shape of die, positions die on platform, and turns faucet to force jets …
1. Tends equipment that pulverizes industrial bort and separates particles into grades of diamond powder: Pours bort into ball mill and starts machine to grind bort. 2. Removes powder from mill and pours it through sieves to separate particles. 3. Pours sifted particles into glass tank containing chemical mixture. 4. …
1. Tends automatic machine that forms disposable diapers: Threads rolls of woodpulp, plastic backing, and nonwoven fabric facing in specified sequence through guides of machine. 2. Fills glue reservoir and fragrance receptacle, and loads diaper tape tabs into dispensing bins. 3. Flips switch to start machine that automatically crushes woodpulp …
1. Fabricates dice from precut nitric-celloid cubes according to specifications: Places nitric-celloid cubes in electrically heated metal box to remove volatile solvents. 2. Operates milling machine to shape cubes to specified tolerance, according to dimensions specified on work order. 3. Measures cubes with vernier caliper. 4. Operates drill press to …
1. Tends machine that cuts sheets or strands of plastic material into cubes or pellets for packaging: Observes feed of material from cooling unit into machine, and adjusts speed of cutters to cut pellets to specified size. 2. May tend auxiliary equipment, such as tumbler dryer. 3. May bag pellets.
1. Repairs magnetic tape and grooved-tape dictating-transcribing machines, using wiring diagrams, handtools, and electronic testing equipment: Tests machines to isolate defective circuits, using oscilloscope, audioscope, test meters, tube and circuit testers, and referring to wiring diagrams. 2. Replaces faulty parts, such as tubes, transistors, microphones, relays, and resistors, using soldering …
1. Drills minute channels in industrial diamonds for use in wire-drawing dies, using drill, lathe, and handtools: Positions diamond in chuck of lathe equipped with diamond-charged wire or forms wax cup around diamond by hand, fills cup with diamond dust mixture, and inserts steel needle into lathe to act as …
1. Examines rough diamonds with magnifying glass to detect defects in color, quality, and physical structure. 2. Marks sections of stone with india ink to outline defects to be removed by diamond sawyers. 3. May appraise diamonds for customers.
1. Positions and mounts industrial diamonds in tools used for dressing and truing I grinding wheels and for machining metal, according to type and size of tool by one of following methods: Places tools shank in press and moves controls to force diamond into shank. 2. Applies solder and flux …
1. Selects diamonds according to type and size, for use in cutting tools and ring mountings: Studies grade, quality, color, and physical structure of rough or finished diamonds. 2. Sorts stones according to quality and type, using magnifying glass or loupe. 3. Determines size of stone, using measuring gauge or …
1. Sorts diamonds according to size for use in watches and jewelry, using sieve, loupe, and precision measuring instruments: Reads work orders to determine sizes required to fit mountings. 2. Measures diamonds, using gauge and loupe, or sorts diamonds, using sieve of specified diameter, to segregate sizes required. 3. Places …
1. Laps and polishes bores of diamond wire drawing dies to specified dimensions: Positions die in holding device of machine. 2. Inserts steel needle in machine spindle, positions needle inside bore of die and starts machine which rotates needle in bore. 3. Dabs progressively finer diamond-dust paste or solution on …
1. Splits rough diamonds along premarked lines to remove imperfections, such as internal spots and flaws, and to obtain optimum value from stones: Positions diamond in holder and presses diamond-studded tool along premarked lines to make incision for splitting. 2. Places steel blade in incision and taps blade with jeweler’s …
1. Refinishes watch dials, according to specifications: Removes original finish and dial markings, such as numerals and calibrations on faceplate, using chemical solution and buffing wheel or wire brush. 2. Applies specified finish to dial, using plating solution. 3. Embosses and retouches markings, using stamping equipment, paint, and brush. 4. …
1. Attaches clock or watch dials to movements: Places movement in holding fixture, and positions hour wheel and one or more dial washers over cannon pinion, using punch or hand staking tool. 2. Positions dial over movement, and inserts dial feet into holes in pillar plate or rod. 3. Inserts …
1. Attaches dial screws to pillar plates preparatory to securing dial to watch, using screwdriver, tweezers, and loupe: Aligns number of pillar plates in holding fixture. 2. Inserts and fastens screws to plates.
1. Sets up and operates hemodialysis machine to provide dialysis treatment for patients with kidney failure: Attaches dialyzer and tubing to machine to assemble for use. 2. Mixes dialysate, according to formula. 3. Primes dialyzer with saline or heparinized solution to prepare machine for use. 4. Transports patient to dialysis …
1. Tends mixing machine that blends metal powders with diamonds and powered press that presses metal powder and mixed diamond powder onto bottom surface of mold cavity: Weighs and dumps ingredients into mixing machine. 2. Starts machine that blends metal powder with diamonds. 3. Removes mixture from machine and distributes …
1. Tends dewatering machines that filter moist solid aluminum hydroxide from coarse slurry: Turns valves to regulate flow of slurry and wash water to dewaterers and to admit solids to kilns, according to temperature readings, alumina-quality reports, and discharge rates given by KILN OPERATOR. 2. Adjusts valves to maintain supply …
1. Controls operation of steam-jacketed cooker that heats mixture of starch and acid to make dextrine paste: Opens gate on overhead chute or shovels starch into cooker. 2. Adds specified amount of acid to start starch conversion process. 3. Turns valves to admit steam into jacket of cooker. 4. Starts …
1. Cuts sections from rugs and joins sections together to form special size or shape rug, following diagrammed instructions: Reads instructions to determine rugs to be cut and obtains rugs from storage. 2. Compares diagram with rugs spread on floor to estimate shape of required rug, lines along which to …
1. Cleans and polishes timepiece dials or dial blanks, using power brushing wheel or handbrush: Applies abrasive powder to dials. 2. Holds dials against rotating brush or manipulates brush over dials to clean and polish dials. 3. Examines surface of dials subsequent to cleaning and polishing to verify specified cleanliness …
1. Performs any combination of following tasks to fabricate clock and watch dials: Cuts out dial blanks, using handtools. 2. Solders holding feet to dial, using soldering iron. 3. Brushes, buffs, and polishes dial, using variety of abrasive wheels. 4. Plates dials with silver, gold, nickel, or other metals. 5. …
1. Draws scale markings by hand on dials of electric meters: Measures and marks specified number of equal distances between calibrations, designated by pinpoints, on dial with dividers or by judging distances. 2. Draws scale according to markings with special pens and black or white ink to contrast with dial. …
