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Sets up operates machine that automatically cuts outsoles for rubber footwear from slabs of uncured rubber or compressed cork. bolts selected follower template on machine mounts cutting blade in traveler against follower, using handtools. starts machine feeds slabs onto conveyor that carries them beneath follower, overlapping ends to form continuous strip. lifts scrap rubber web from cutout outsoles and threads it through rollers that ...

Tends milling machines that mill surfaces of metal workpieces according to specifications. positions secures workpiece in fixture or feeding device. starts machine and turns handwheel to feed workpiece to cutter or vice versa, or engages automatic feeding mechanism. turns valve handle to direct flow of coolant against cutter workpiece. observes machine operation, and removes inspects machined workpiece to verify conformance to ...

Miters and cuts molding stock for picture frames to specified length angle, using miter knife. turns screws to adjust feed guides to width of molding to adjust stop that measures molding for cutting. turns handwheel to raise or lower miter bars that protect edges from splintering. inserts molding between guides depresses foot treadle or pulls hand lever to lower knife that cuts one end of stock at 45 degree angle. places molding against ...

Tends equipment that recovers reconditions mercury used in electrolytic cells. sweeps, shovels and dumps mercury-bearing material onto vibrating screen that separates mercury. flushes screen with water, using hose and drains off water into settling tank, forming sludge. ladles contaminated mercury and sludge into reclaiming kettle and turns valves to admit acid steam to separate foreign matter from mercury. drains mercury into flask. may ...

Studies development life processes, physiology, heredity, environment, distribution, anatomy, morphology, and economic value of plants for application in such fields as agronomy, forestry, horticulture, and pharmacology. studies behavior of chromosomes and reproduction, internal & external structures and examines mechanics and biochemistry of plants plant cells, using microscopes, staining techniques and scientific equipment. ...

Cleans finishes bisque ware by hand preparatory to glazing. examines ware for visible defects. fills cracks, pinholes and scratches with liquid clay, using brush. grinds down rough spots with abrasive stones, smooths ware surfaces with sandpaper, and cleans ware with airhose. holds surface of earthenware against sanding wheel to remove warps, grog clay fragments , and scratches. verifies dimensional accuracy of ware to make sure correct fit ...

Removes filter cloths from filter presses to unload separated solids used for making stock feed. opens press inserts prying tool between plates to free filter cloths or turns wheel to release ram holding filter frames together. pulls cloths loaded with solids from press shakes material onto conveyor or scrapes residue into pans with spatula. replaces clean cloths between plates closes press. shovels solids from pans into containers for ...

Separates and removes molds from cured plastic bowling balls and grinds off sprues and ridges preparatory to truing finishing balls. removes thumbscrews or clamps from molds pries molds from balls. screws core support bolts out of balls with wrench. grinds sprues seam ridges from balls, using powered grind wheel. may fill core supporting bolt holes with plastic to mark heavy side of ...

Inspects railroad wheels for defects measures wheel flange for wear, using gauges, micrometer, and similar measuring instruments. examines and feels surface of wheels for cracks wear. marks defective area with chalk or paint. strikes wheel with hammer listens to sound to detect flaws in metal. measures wheel flange for wear and gauge distance between wheels, using micrometer similar measuring instruments. prepares reports describing ...

Sets up and operates thread-grinding machine to grind internal or external threads on metal objects, like worm gears and leadscrews, on custom basis, analyzing specifications selecting tooling according to knowledge of thread grinding procedures. studies blueprint to visualize grinding to be done plans sequence of operations. selects computes machine settings, like positioning angles, rotation speeds, feed rates and gear ratios, using ...


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