1. Sets up and operates piercing machine to shape metal tubes from billets or enlarge inside diameter of shells according to job order or blueprints: Selects, positions, and adjusts piercing rolls, which rotate and shape outside of tube, using hoists, wrenches, measuring instruments, and knowledge of metal properties. 2. Attaches …
1. Tends equipment that pierces steel billets lengthwise preparatory to making seamless tubing: Moves levers to drop hot billet from conveyor into trough and ram it along trough into rollers which force center of billet into piercing mandrel. 2. Moves controls to withdraw piercing mandrel from billet and drop billet …
1. Tends picking machine that opens or shreds and fluffs raw or used materials, such as wool, kapok, foam rubber, or hair to facilitate further processing: Cuts open bales of raw materials. 2. Starts machine and deposits handfuls of raw material on feeding apron that conveys material into picking or …
1. Loads cuts of meat into pickling vats or barrels to cure meat preparatory to smoking: Packs and arranges meat in vats or barrels by hand or with meat hook to ensure maximum saturation. 2. Turns valves to admit curing solution into vats or pours in solution by hand. 3. …
1. Assists PICKLER, CONTINUOUS PICKLING LINE in cleaning coils of metal strips and wire: Sets specified spacing between scale-breaking and straightening rolls and adjusts wipers, brushes, and feed guides, using handtools. 2. Places metal coil on feed-out reel manually or with hoist and feeds leading edge of coil into rollers. …
1. Sets up and controls continuous pickling or electrolytic-cleaning line to remove dirt, oil, and scale from coils of brass, copper, or steel strip and wire: Turns valve to add acid to processing tanks and shovels inhibitor into tanks to obtain baths of specified acid concentration. 2. Installs and adjusts …
1. Tends machine that pulls false selvages and waste filling floats from looped pile fabric: Lifts roll of cloth into feeding position and pins end of cloth to leader in machine. 2. Positions false selvage between feed rollers on each side of machine. 3. Starts machine and observes flow of …
1. Removes false selvages and filling floats from looped pile fabric by hand: Lifts roll of cloth onto brackets at end of table and unrolls cloth onto table. 2. Trims false selvage from one edge of cloth, using scissors. 3. Secures trimmed edge of cloth on pins set along edge …
1. Tends battery of picker machines that break up and clean cotton or synthetic fibers, form them into lap II, and wind lap into rolls: Starts machine and pulls cord to open gate of hopper through which cotton tufts feed onto conveyor of machine or hand feeds cotton tufts onto …
1. Tends photolettering machine that photographically prints display type and headings onto film or photographic paper: Secures roll of film or paper in machine magazine. 2. Inserts specified film fonts in machine reel. 3. Turns reel to specified selector mark to position letters to be printed and moves lever to …
1. Tends machine that laminates dry photoresist film to surfaces of panels used in manufacturing printed circuit boards: Mounts rolls of photoresist film and plastic protective film on machine spindles. 2. Threads film through machine rollers and secures film to takeup spindles. 3. Presses button to activate machine. 4. Adjusts …
1. Sets up and operates photostat machine to duplicate printed material, such as manuscripts: Places roll of sensitized paper in machine. 2. Measures length and width of material to be copied, using rule. 3. Computes percentage of enlargement or reproduction necessary, using chart or percentage scale. 4. Mounts material on …
1. Operates keyboard of automatic phototypesetting machine to photographically print type matter onto film or strips of photosensitive paper to prepare positives or paper flats for making printing plates: Loads roll of photosensitive paper or film into camera magazine, positions magazine on machine, and pulls lever to open exposure slot. …
1. Tends machine that photographs original documents, such as bills, statements, receipts, and checks: Loads machine with film. 2. Feeds records to be photographed into feed rolls that carry material to be photographed past camera lens, or positions records on table beneath camera lens. 3. May adjust camera distance from …
1. Sets up and operates camera to photograph drawings, sketches, or other material to produce negatives for transfer to printing plates, rollers, or printed circuit boards: Mounts copy on holder, aligning centerline on copy with centerline on holder. 2. Studies copy and order sheet to determine photographic techniques required to …
1. Performs any combination of following tasks to dry, trim, and mount photographic prints: Places washed print on conveyor leading to heated rotating cylinder that dries and flattens print. 2. Trims print edges, using paper cutter or scissors. 3. Inserts print in specified frame or mounts print on material, such …
1. Proves printing quality and register of photoengraved printing plates, using hand or power driven flatbed or cylinder press, and prepares data sheet on color matching or ink modification to improve printing quality and register according to copy or customer specifications: Clamps plates to press, applies ink to rollers, and …
1. Sets up and operates photocomposing machine to transfer data from perforated or magnetic tape into print on film or photographic paper, using either of following methods: Loads roll of film or paper in machine magazine. 2. Secures roll of perforated tape on machine reel and threads end of tape …
1. Photographs copy, develops negatives, and prepares photosensitized metal plates, such as copper, zinc, aluminum, and magnesium for use in printing, using photography and developing equipment and engravers’ handtools: Positions copy on copy board of darkroom camera and exposes film to copy. 2. Fastens scoured metal plate to whirling machine …
1. Exposes film or glass negatives or positives to artificial light to transfer image onto photosensitive metal plates used for printing, applying knowledge of photographic and layout techniques, using photographic equipment, handtools, and cutting machines: Washes plate to remove foreign matter, using brush, abrasive, and running water. 2. Pours photosensitive …
1. Inspects, assembles, and packs mounted or unmounted negatives, color film transparencies, and photographic prints: Examines items for natural color shading, density, sharpness of image, or identifying numbers, using lighted viewing screen. 2. Marks defective prints, using grease pencil and standardized symbols to indicate nature of defect and corrective action …
1. Operates computer-controlled electron-beam exposure equipment to transfer circuit pattern onto photoresist-coated photo mask plates for subsequent use in fabrication of semiconductor devices: Loads disk or tape of pattern information into equipment, and positions unexposed photo mask plate in vacuum chamber of equipment. 2. Types commands to enter exposure specifications …
1. Operates special typewriter that perforates tape or paper for subsequent automatic reproduction of data, such as letters, reports, and other material from master copy: Pastes gummed paper over holes to correct errors. 2. May file perforated rolls. 3. May operate automatic typewriter that reproduces material from perforated tape or …
1. Compiles and maintains personnel records: Records employee information, such as personal data; compensation, benefits, and tax data; attendance; performance reviews or evaluations; and termination date and reason. 2. Processes employment applications and assists in other employment activities. 3. Updates employee files to document personnel actions and to provide information …
1. Tends machine that presses ingredients into feed pellets for poultry and stock feed: Turns steam valves to regulate temperature of machine. 2. Observes ammeter and turns valves to regulate flow of material to machine. 3. May adjust nozzles to regulate flow of molasses into ingredients and turn steam valves …
