- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who sets up and operates metal-working machines to machine workpieces, and fabricate electrical lighting fixture prototypes, such as floor and wall lamps and hanging fixtures, according to specifications. Respnsibilities include:
* Examines drawings or blueprints to ascertain number and finished dimensions of parts required.
* Sets up and operates lathes to spin or turn ferrous or nonferrous metal, according to specifications.
* Cuts and shapes sheet metal.
* Heats and bends metal to shape fixture parts.
* Verifies conformance of parts to specification, using rule, micrometer, square, and protractor.
* Solders, brazes, and welds parts, using welding and brazing equipment.
* Attaches glass parts, sockets, and wires to metal parts to form fixture, using handtools.
* May be designated according to type of fixture fabricated as Chandelier Maker (light.
* fix.).
Industry:Professional careers
A professional who sets up and operates machine tools, such as lathes, milling machines, boring machines, and grinders, to machine metallic and nonmetallic workpieces according to specifications, tooling instructions, and standard charts, applying knowledge of machining methods. Respnsibilities include:
* Reads blueprint or job order for product specifications, such as dimensions and tolerances, and tooling instructions, such as fixtures, feed rates, cutting speeds, depth of cut, and determines sequence of operations.
* Selects, positions, and secures tool in toolholder (chuck, collet, or toolpost).
* Positions and secures workpiece in holding device, machine table, chuck, centers, or fixtures, using clamps and wrenches.
* Moves controls to position tool and workpiece in relation to each other, and to set specified feeds, speeds, and depth of cut.
* Sets up fixture or feeding device, starts machine, and turns handwheel to feed tool to workpiece or vice versa, and engages feed.
* Turns valve handle to direct flow of coolant or cutting oil against tool and workpiece.
* Observes operation of machine and verifies conformance of machined workpiece to specifications, using measuring instruments, such as fixed gauges, calipers, and micrometers.
* Operates bench grinder to sharpen tools.
* May set up and operate machines and equipment other than machine tools, such as welding machines and flame-cutting equipment.
Industry:Professional careers
A professional who fabricates blade structure of steam and gas turbines according to specifications and drawings, using machine tools, handtools, and measuring devices. Respnsibilities include:
* Positions blades on bench to form sections, or positions and secures disk on positioner.
* Measures tenon location on blades with dial indicator and selects two blades with equal tenons for end blades of section.
* Sets up and operates milling machines and pedestal grinders to grind and mill blade roots to obtain specified section lengths, radial alignment, and root contact.
* Inserts blades into grooves of spindle, cylinder, or fixture (for section blading) and pounds metal caulking into groove to tighten blades.
* Operates grinders and metal saw to shape cylinder blade locking device, spindle filler pieces, and wedges from metal stock.
* Fits locking device to pocket of blade and smooths surfaces, using chalk, files, and abrasive paper.
* Drills, reams, and taps locking items, such as cylinder locks, spindle filler pieces, seals, and wedges, using drill press, and fastens them to blade by peening or inserting setscrew.
* Fits shroud over blade ends and peens blade tenon to round edges of rivets, using hammer and capping tool or pneumatic hammer.
* Measures head of rivet for specified clearance, using measuring tool.
* Grinds shroud end of each blade section to obtain specified clearance between shrouds, using pedestal grinder.
* May roll, cut, and chamfer shroud.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in production and repair of metalworking dies, jigs, fixtures, gauges, and cutting tools, applying knowledge of machining and tool and die construction.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who analyzes specifications, lays out metal stock, sets up and operates machine tools, and fits and assembles parts to fabricate and repair metalworking dies, cutting tools, jigs and fixtures, gauges, and machinists' handtools, applying knowledge of tool and die design and construction, shop mathematics, metal properties, and layout, machining, and assembly procedures. Respnsibilities include:
* Studies specifications, such as blueprints, sketches, models, or descriptions, and visualizes product to determine materials required and machines to be used to fabricate parts.
* Computes dimensions, plans layout, and determines assembly method and sequence of operations.
* Measures, marks, and scribes metal stock for machining.
* Sets up and operates machine tools, such as lathes, milling machine, shaper, and grinder, to machine parts, and verifies conformance of machined parts to specifications.
* Lifts machined parts manually or using hoist, and positions and secures parts on surface plate or worktable, using devices, such as vises, V-blocks, and angle plates.
* Smooths flat and contoured surfaces, using scrapers, abrasive stones, and power grinders, and fits and assembles parts together and into assemblies and mechanisms, using handtools.
* Verifies dimensions, alignments, and clearances, using measuring instruments, such as dial indicators, gauge blocks, thickness gauges, and micrometers.
* Heat-treats tools or parts.
* May connect wiring and hydraulic lines to install electrical and hydraulic components.
* May examine standard or previously used dies, tools, and jigs and fixtures, and recommend design modifications regarding construction and function of part.
* May develop specifications from general descriptions for specialty tools and draw or sketch design of product.
* May specialize in repair work and be designated tool-and-die repairer.
Industry:Professional careers
A professional who performs duties as described under apprentice master title.
Industry:Professional careers
A professional who develops gauging setup and surface plate layout procedures, draws patterns and templates, and inspects variety of parts and tools, to provide inspection devices and fixtures for use in machining or assembly, using blueprints, formulas, trigonometry, and precision measuring instruments. Respnsibilities include:
* Analyzes inspection problem by comparing part with blueprints or sketches, and devises procedures necessary to measure specified dimensions.
* Lays out part on surface plate or positions in gauging setup to verify dimensions, using master gauges, indexing head, gauge blocks, comparators, verniers, micrometers, and indicators.
* Develops and draws patterns and templates used to measure curves and angles.
* Tests surface finish of machined parts, using profilameter.
* Tests hardness of metal parts.
* Analyzes defective parts to determine reasons for dimensional variations, such as faulty machining, or assembly procedures, setup, tools, or fixtures.
* Recommends corrective procedures to design, methods, process, or production engineering departments.
* Inspects machining or assembly fixtures, tools, or gauges, and suggests replacement or use of new equipment.
* May approve parts not within specified dimension tolerances.
* May change allowable tolerances specified on blueprint.
Industry:Professional careers
A professional who lays out, machines, fits, assembles, and finishes metal castings and parts to make and repair stamping dies, analyzing specifications and applying knowledge of die design and construction. Respnsibilities include:
* Studies blueprints of product and die, prototype products, and die models.
* Visualizes structure and function of die and plans operations, applying knowledge of shop mathematics, machining and assembly methods, properties of sheet metal under pressure, and metal-forming presses.
* Measures, marks, and scribes castings and stock for machining.
* Sets up and operates machine tools, such as lathe, milling machine, radial drill press, shaper, and grinder, to machine parts to specifications, and verifies conformance of machined parts to specifications.
* Lifts machined parts manually or using hoist, and positions them on worktable or surface plate for assembly.
* Shapes, smooths, and fits flat and contoured surfaces of die members and parts, using handtools, such as stones, files, and powered grinders.
* Verifies dimensions, clearances, and alignment of members and parts in die, using dial indicators, gauge blocks, thickness gauges, and micrometers.
* Dowels and bolts parts together, using handtools, such as hammers and wrenches.
* Connects wiring and hydraulic lines to install electric and hydraulic components.
* Fits and assembles components for mechanical action within die.
* May operate power press, perform final shaping and smoothing operations on die in press, and inspect sheet metal product, to complete tryout of die.
* May only repair dies and be designated Die Repairer, Stamping.
Industry:Professional careers
A professional who lays out, machines, fits, assembles, and finishes metal castings and parts to make and repair stamping dies, analyzing specifications and applying knowledge of die design and construction. Respnsibilities include:
* Studies blueprints of product and die, prototype products, and die models.
* Visualizes structure and function of die and plans operations, applying knowledge of shop mathematics, machining and assembly methods, properties of sheet metal under pressure, and metal-forming presses.
* Measures, marks, and scribes castings and stock for machining.
* Sets up and operates machine tools, such as lathe, milling machine, radial drill press, shaper, and grinder, to machine parts to specifications, and verifies conformance of machined parts to specifications.
* Lifts machined parts manually or using hoist, and positions them on worktable or surface plate for assembly.
* Shapes, smooths, and fits flat and contoured surfaces of die members and parts, using handtools, such as stones, files, and powered grinders.
* Verifies dimensions, clearances, and alignment of members and parts in die, using dial indicators, gauge blocks, thickness gauges, and micrometers.
* Dowels and bolts parts together, using handtools, such as hammers and wrenches.
* Connects wiring and hydraulic lines to install electric and hydraulic components.
* Fits and assembles components for mechanical action within die.
* May operate power press, perform final shaping and smoothing operations on die in press, and inspect sheet metal product, to complete tryout of die.
* May only repair dies and be designated Die Repairer, Stamping.
Industry:Professional careers
A professional who lays out, machines, assembles, and finishes metal stock to make dies that trim excess metal flash from forged metal parts, following blueprints and applying knowledge of die design and construction, shop mathematics, and metal properties. Respnsibilities include:
* Analyzes blueprint of part or die and plans sequence of operations.
* Measures and scribes metal stock to layout design of die.
* Sets up and operates variety of machine tools, such as shaper, vertical turret lathe, and engine lathe to machine die parts.
* Bolts and dowels die parts to assemble die, using handtools, such as power grinder, scrapers, files, and emery cloth to fit die parts and to obtain specified dimensions and contours.
* Inspects assembled die with sample part and measuring instruments, such as calipers, micrometers, and height gauges to verify conformance to specifications.
* May make dies containing mechanical or hydraulic components.
* May make dies that trim flash diecastings.
* May make templates to verify dimensions.
* May make tools to form die parts.
* May repair dies and be designated Die Repairer, Trimmer Dies.
Industry:Professional careers
