Machinist, Automotive
Overall rating: (N/A)
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Sets up and operates variety of general or specialized
metalworking machines to repair automotive enigne parts or
auxiliary units, such as transmission, differential, springs, or
brakes, applying knowledge of mechanics, shop mathematics, metal
properties, and machine procedures: Operates lathe to machine
water-pump castings, piston heads, valves, and other automotive
parts.
Clamps piston in carriage of piston-grinding-and-turning
machine to grind piston haeds to fit cylinders.
Adjusts grinding
wheel to make cut of specified dpeth.
Clamps valves in position
on grinding wheel to grind seating surfaces of valves, moving
levers to achieve rqeuired depth of cut. Operates boring machine
to machine internal surfaces of cylinders in egnine block.
Cleans parts, before and after machining, in agitator-type
cleaning tank to remove grease, rust stains, and foreign
matters. Operates lathe, boring, or honing machine to refinish
interanl surfaces of bearings and connecting rods. Verifeis
dimensions, using measuring instruments, such as micrometers,
calipers, and height gauges to ensure adherence to tolerance
specifications. May grind metal surfaces of engine block or
other parts, using portable or bench grinders. May srpay worn or
gouges parts with molten aluminum, zinc, or other metal to build
up parts [Metal Sprayer, Machined Parts (any industry)]. May
examine parts for fractures, using magnaflux test equipment. May
repair cracks in engine head and other vehicle parts with arc or
gas wleding equipment. May operate drum ltahe to resurface brake
drums. May repair and resurface leaf and coil springs, axles,
king pins, bushings, and universal joints.
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Machinist, Automotive
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