- 업종: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who assists pickler, continuous pickling line in cleaning coils of metal strips and wire. Respnsibilities include:
* Sets specified spacing between scale-breaking and straightening rolls and adjusts wipers, brushes, and feed guides, using handtools.
* Places metal coil on feed-out reel manually or with hoist and feeds leading edge of coil into rollers.
* Moves controls to lock trailing edge of processed coil to leading edge of coil on feed-out reel to form continuous workpiece.
* Stacks processed coils on skids.
* Performs other duties as described under helper master title.
Industry:Professional careers
A professional who assists pickler, continuous pickling line in cleaning coils of metal strips and wire. Respnsibilities include:
* Sets specified spacing between scale-breaking and straightening rolls and adjusts wipers, brushes, and feed guides, using handtools.
* Places metal coil on feed-out reel manually or with hoist and feeds leading edge of coil into rollers.
* Moves controls to lock trailing edge of processed coil to leading edge of coil on feed-out reel to form continuous workpiece.
* Stacks processed coils on skids.
* Performs other duties as described under helper master title.
Industry:Professional careers
A professional who abrades surfaces of metal or hard-composition objects to remove adhering scale, sand, paint, grease, tar, rust, and dirt, and to impart specified finish, using abrasive-blasting equipment. Respnsibilities include:
* Shovels or pours abrasives, such as sand, grit, or shot of specified grade into machine hopper.
* Masks specified areas of object to protect from abrading action.
* Loads parts on racks in enclosed rooms, into tumbling barrels, or into cabinets.
* Turns valves on equipment to regulate pressure and composition of abrasive mixture flowing through nozzle or into tumbling barrel.
* Starts equipment that directs blast or flow of abrasive-laden compressed air, gas, or liquid over surface of parts.
* Manually directs nozzle over surface of large parts or inserts arms through glove-fitted cabinet openings and manipulates small parts under nozzle for specified interval.
* May examine finished parts to ensure conformance to specifications.
* May be designated by type of equipment or abrasive used as Cabinet-Abrasive Sandblaster; Shotblaster.
Industry:Professional careers
A professional who abrades surfaces of metal or hard-composition objects to remove adhering scale, sand, paint, grease, tar, rust, and dirt, and to impart specified finish, using abrasive-blasting equipment. Respnsibilities include:
* Shovels or pours abrasives, such as sand, grit, or shot of specified grade into machine hopper.
* Masks specified areas of object to protect from abrading action.
* Loads parts on racks in enclosed rooms, into tumbling barrels, or into cabinets.
* Turns valves on equipment to regulate pressure and composition of abrasive mixture flowing through nozzle or into tumbling barrel.
* Starts equipment that directs blast or flow of abrasive-laden compressed air, gas, or liquid over surface of parts.
* Manually directs nozzle over surface of large parts or inserts arms through glove-fitted cabinet openings and manipulates small parts under nozzle for specified interval.
* May examine finished parts to ensure conformance to specifications.
* May be designated by type of equipment or abrasive used as Cabinet-Abrasive Sandblaster; Shotblaster.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in hardening, tempering, annealing, and other heat-treating processes to condition metal workpieces and products, applying knowledge of heat-treating processes and properties and structure of metals.
* Conducts metallurgical analyses on metal samples and machine tools.
* Estimates, requisitions, and inspects materials.
* Confers with other supervisory personnel to coordinate activities of individual departments.
* Confers with workers' representatives to resolve grievances.
* Trains workers.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who inspects parts and assemblies before and after heat treating for conformance to specifications. Respnsibilities include:
* Examines parts for cleanliness and previous inspection clearances.
* Reads control dials, such as pyrometer, at periodic intervals to ensure specified temperatures and soaking and cooling times are maintained.
* Examines processed parts for conformance to specifications, using handtools and precision measuring instruments.
* Stamps approved items and writes rejection notices and rework orders on parts not meeting specifications.
* May operate equipment to determine hardness of parts and thermal treatment required to process parts, following blueprint specifications.
Industry:Professional careers
A professional who sets up battery of machines that anneal sidewalls of metal cartridge and shell cases preparatory to further processing. Respnsibilities include:
* Lights gas burners and turns valves to regulate flow of gas and coolant water.
* Starts conveyors and dial feeder plates, and turns setscrews in burner nozzles to direct flames which anneal specific area of cartridge case.
* Replaces worn dial-feed, burner and conveyor parts, using handtools.
* Instructs new workers in machine operation.
* Observes color and area of dullness of annealed cases to determine flame temperature and coverage of cases.
* Crushes random samples between fingers to determine degree of annealing attained.
* May test cases for hardness and examine cases to determine grain size of metal, using microscope.
Industry:Professional careers
A professional who sets up flame-hardening machines for flame-hardening-machine operators according to metallurgical work order specifications, utilizing knowledge of heat-treating methods and metal properties. Respnsibilities include:
* Positions fixture for holding workpiece and fastens fixture to machine, using wrenches.
* Mounts workpiece in fixture, on arbor, or between centers of machine.
* Estimates flame temperature and heating time cycle based on degree of hardness required and metal to be treated.
* Moves controls to light burners and adjust flame of oxyacetylene, propane, or other gas to prescribed temperature, judging temperature by flame color.
* Starts automatic feeding or rotating mechanism that moves part through hardening flame.
* Tests hardness of sample part.
* Adjusts automatic feeding or rotating mechanism and flame temperature until sample parts meet specifications.
Industry:Professional careers
A professional who sets up variety of induction machines for induction-machine operators to heattreat metal objects according to specifications. Respnsibilities include:
* Reads work order to determine size and grade of workpiece to be processed.
* Determines frequency of current, time cycle, and induction heating coil to be used for each job, using knowledge of induction machines, heat-treating methods, and properties of metals.
* Positions and fastens induction coil and fixture on machine, using wrenches.
* Adjusts controls to set frequency of current and automatic timer judging from color whether pan is heated to specified temperature.
* Positions and fastens part in fixture and starts machine to heattreat sample part.
* Tests hardness of sample.
* Adjusts frequency of current, automatic timer, and fixture on machine until sample meets specifications.
* May operate induction machine as part of regular duties.
Industry:Professional careers
A professional who controls furnace to harden, anneal, or temper watch parts. Respnsibilities include:
* Presses button to admit gas mixture, forcing air out of furnace and burning mixture at entrance to prevent discoloration of parts and to maintain carbon content in parts.
* Places parts in metal basket or cylinder and inserts parts into furnace according to specified temperature.
* Advises on furnace temperatures and heat-treating time periods, and recommends procedures to produce desired hardness.
* Quenches pieces with air or oil.
* May cover parts with charcoal to prevent rapid heating causing discoloration of parts.
* May insert thermocouple into furnace and connect thermocouple to recorder.
Industry:Professional careers
