1. Controls table equipped with electric rotary cutter and other powered equipment to cut rolls of woven fiber rug material to specified lengths: Positions roll in hanger of table, using power hoist. 2. Pulls lever to start power puller that moves material across table or draws carpet along calibrated scale …
1. Forms rubber wax injection molds by vulcanizing pieces of rubber around metal sample: Places metal sample into frame and packs raw rubber around sample. 2. Clamps sample, frame, and rubber into vulcanizing machine. 3. Turns on machine, waits specified time, and removes mold from machine. 4. Splits mold into …
1. Operates machine to print decorative designs on uncured rubber sheeting, used in making footwear: Computes required yardage of each design and type of sheeting compound from work ticket. 2. Selects drum of stock to match order. 3. Pushes A-frame, in which drum of stock is mounted above empty rewind …
1. Feeds automatic grinding machine that smooths surface of rubber rollers in stencil inking device: Positions rubber roller assembly of stencil inker in holding device of grinding machine and starts machine that automatically smooths surface of rubber rollers.
1. Operates extruders and calender mill to remove moisture from butyl rubber crumbs: Presses buttons on control panel to start conveyors that feed rubber crumbs from drier through extruder and into hot mill. 2. Opens breech-lock head on extruder, using wrenches. 3. Removes foreign matter from equipment, using hot hoe …
1. Tends rubber milling machine to mix, blend, knead, or refine scrap, crude, synthetic, or precompounded rubber for further processing: Starts machine and turns valves on steam and cold waterlines to regulate temperature of rolls. 2. Lays rubber slabs between rolls of mill. 3. Cuts stock with knife, rolls it …
1. Assembles rubber goods, such as water bottles, ice bags, swim fins, water goggles, rubber gloves, and ring cushions: Cements and stretches molded opening in goods to insert styrene eyepieces, closures, and ferrules. 2. Clamps buckles and straps to fins and goggles, using air vise and handtools. 3. Wraps fabric …
1. Sets up and operates variety of machines to cut, drill, punch, and grind molded and extruded rubber goods: Changes dies, drills, knives, abrasive wheels, and cutter bars as specified. 2. Adjusts equipment, such as boring machine, tubing cutter, notch cutter, washer cutter, and grinding lathe, using handtools. 3. Positions …
1. Inspects and tests rubber materials, parts, or products for conformance to specifications: Visually and tactually examines items for defects, such as soils, cracks, and breaks. 2. Verifies dimensions and weights of articles, using scales, calipers, templates, and other measuring instruments, following specifications and blueprints. 3. Verifies strength, durability, and …
1. Repairs rubber products, such as life rafts and vests, gas-tank linings, inner tubes, and rubber vent systems, using oven or autoclave and steam curing iron: Cements rubber patch to torn or damaged areas and vulcanizes patch, using steam curing iron. 2. Cuts rubber into pieces, covers metal and other …
1. Tests rubber protective goods, such as gloves, sleeves, blankets or mats, and heavy hoods, used by workers working on high-voltage power lines and equipment: Examines rubber goods to detect defects, such as blisters, breaks, or deterioration. 2. Clips rubber goods to metal rod of dielectric-strength-testing machine and partially submerges …
1. Repairs and maintains rubber-covered and rubber-lined equipment in pulp mill, such as belting, impellors, pipes, pumps, and valves, using knives, handtools, and pressure vulcanizers: Examines exposed rubberized equipment for flaws and excessive wear. 2. Selects rubber stock according to type of materials and manufacturer’s specifications. 3. Dismantles equipment and …
1. Supervises and coordinates activities of workers engaged in hoeing, weeding, and thinning crops, such as sugar beets, lettuce, and watermelons: Assigns rows and distributes hoes to workers. 2. Observes thinning, weeding, or cultivating process, notes evidence of unsatisfactory work, and initiates corrective measures. 3. Keeps time and production records. …
1. Massages and bathes customers in thermal bathhouse: Kneads, slaps, strokes, and rubs flesh with stiff-bristled brush or brush made of leaves and twigs to increase circulation, relax muscles, and relieve fatigue. 2. Assists customer into tub or onto bench, slab, or table in dry heat or steam room. 3. …
1. Inspects, repairs, replaces, and modifies soundproofing and sweat proofing equipment aboard drydocked or moored submarines: Inspects submarines to detect hazards or malfunctions. 2. Replaces worn or defective rubber and plastic items, such as grommets. 3. Sprays soundproofing material on internal submarine walls, using compressor. 4. Affixes neoprene sheets to …
1. Tends machine that cuts bales of crude rubber into pieces: Removes wired wooden wrapping or metal straps, using cutters. 2. Loads bale into machine bed, using electric hoist or pulls bale from chute, using hook. 3. Moves lever to release hydraulic ram that pushes bale through stationary knives. 4. …
1. Lines interior of tanks, valves, pipes, and similar articles with rubber sheeting to prevent corrosion of vessel, and to minimize contamination, shock, ignition, or explosion hazards to contents. 2. May inject compressed air into vessel to bond lining to vessel walls, and introduce live steam or place article in …
1. Molds rubber display statuettes and models of hands, feet, and heads for attachment to display mannequins: Brushes lubricant onto interior of mold. 2. Pours liquid rubber into mold until full. 3. Pours surplus rubber from mold after shell of rubber has formed on inside of mold. 4. Strips form …
1. Tests samples of milled rubber compounds and finished rubber goods, using testing devices, and compares gauge readings against prepared standards, such as charts, graphs, and tables, to verify adherence to specifications: Collects samples of rubber from MIXING-MACHINE OPERATOR at prescribed intervals. 2. Mixes and blends sample stock on laboratory …
1. Tends guillotine-type machine that automatically cuts rubber stock into slabs: Starts machine, catches cut slab as it reaches end of conveyor, and throws slab onto pallet. 2. Sprays each layer of slabs with chemical solution to prevent sticking, using hose, and covers layer with canvas sheet. 3. Replaces filled …
1. Weighs roving samples from wool carding machines and adjusts machines to produce roving of specified weight: Measures roving with ruler to obtain sample of specified length. 2. Weighs sample and compares weight with standard chart to detect variations. 3. Moves weight on weight-control lever of carding machine to regulate …
1. Determines truck routes involved and issues route slips to drivers to pick up donated clothing, furniture, and general merchandise for vocational rehabilitation organization: Reviews presorted route slips and reviews street maps to determine appropriate route, based on type and quantity of merchandise pledged and location of donor. 2. Issues …
1. Tends equipment that routes rice to milling machines: Opens feed pipes to route rice for each lot to designated milling machines. 2. Turns wheels, bolts, and moves levers to adjust grading machines to obtain specified proportions of broken and whole grain rice in lot being milled. 3. Performs maintenance …
1. Weighs roving samples to detect variation in weight produced by tape condensers of woolen carding machines: Positions jackspool of roving in winding position and threads roving ends from spool through guides and takeup roller. 2. Sets yardage counter at specified yardage and turns crank to wind sample of roving. …
1. Operates routing machine to cut and shape individual printed circuit boards according to specifications: Positions and secures PCB’s between dies or on templates. 2. Positions secured PCB on router platform to align connector edges with machine cutter. 3. Adjusts cutter spindle, using wrenches, and installs cutter of specified size …
