1. Sets up and operates oxy-fuel-gas-welding machine to weld metal parts, according to work order, blueprints, layout, and operating charts: Clamps workpieces into holding fixture on machine bed, movable carriage, or turntable. 2. Positions and clamps or bolts welding torch onto overhead carriage, radial arm, or into stationary fixture at …
1. Sets up and operates resistance welding machine to join metal parts, according to blueprints, work orders, or oral instructions: Turns machine dials to set air and hydraulic pressure, amperage, and joining time, according to specified type of metal, weld, and assembly. 2. May select, install, and adjust electrodes. 3. …
1. Operates thermit welding machine to join metal components, such as crankshafts, ship stern frames, machine parts, and railroad and craneway rails. 2. Aligns and secures parts in holding fixture. 3. Cuts gap in parts parallel to joint, using gas torch. 4. Places wax pattern and mold box around gap. …
1. Assembles and tack-welds steel frames and other component parts of machinery and equipment in preparation for final welding: Measures and marks locations for metal components on assembly table, following blueprints. 2. Lifts and positions components on assembly table, using electric crane, jacks, and shims. 3. Verifies position of metal …
1. Lays out, fits, and welds fabricated, cast, and forged components to assemble structural forms, such as machinery frames, tanks, pressure vessels, furnace shells, and building and bridge parts, according to blueprints and knowledge of welding and metallurgy: Selects equipment and plans layout, assembly, and welding, applying knowledge of geometry, …
1. Develops welding techniques, procedures, and application of welding equipment to problems involving fabrication of metals, utilizing knowledge of production specifications, properties and characteristics of metals and metal alloys, and engineering principles: Conducts research and development investigations to develop and test new fabrication processes and procedures, improve existing or develop …
1. Supervises and coordinates activities of workers engaged in welding and cutting of products and structures, such as auto, aircraft, and ship components, pipes, boilers, and mobile homes, applying knowledge of welding and cutting techniques, materials, and equipment, and fabrication requirements: Analyzes work orders and blueprints to determine need for …
1. Conducts experiments and tests and evaluates data to assist welding engineering personnel in development and application of new or improved welding equipment; welding techniques, procedures, and practices; and specifications for material heat treating: Assists engineering personnel in testing and evaluating welding equipment, metals, and alloys. 2. Evaluates data and …
1. Welds short beads at points specified by layout, welding diagram, or by FITTER I , along overlapping edges of metal parts to hold parts in place for final welding. 2. Performs tasks of FITTER HELPER. 3. May tack-weld, using hand, submerged, or gas-shielded arc welding equipment. 4. May tack-weld, …
1. Welds metal parts, using gas welding equipment as specified by layout, welding diagram, or work order: Positions parts in jigs or fixtures on bench or floor, or clamps parts together along layout marks. 2. Selects torch, torch tip, filler rod and flux, according to welding chart specifications or type …
1. Welds or tack-welds overlapping edges of positioned components to fabricate sheet metal assemblies, such as panels, refrigerator shells, and automobile bodies, using portable spot-welding gun: Positions and clamps electrode under overlapping edges of workpiece. 2. Presses electrode against workpiece at specified weld points to complete circuit between electrodes and …
1. Welds fabricated metal products within firing chamber of explosion welding equipment, applying knowledge of metal characteristics and explosives: Spreads buffer material in base part of holding device and spreads explosive powder material in upper part of holding device. 2. Positions workpieces in holding device and adjusts to form acute …
1. Analyzes engineering data and welds experimental parts and assemblies to determine most effective welding processes, using various welding techniques and equipment: Analyzes engineering drawings and specifications to plan welding operations where procedural information is unavailable. 2. Lays out parts and assemblies according to specifications. 3. Develops templates and other …
1. Sets up electron-beam welding machine to join together metal components through emission of electrons in vacuum chamber onto workpiece, according to welding charts and specifications: Turns knobs to set voltage and welding speed according to specifications. 2. Turns knobs to set focus of electron beam, beam current, vacuum level …
1. Sets up resistance welding and brazing machines that join or bond metal components, such as panels, frames, yokes, tubes, and containers, according to specifications and blueprints: Lays out and marks weld points and position of components on workpiece, using rule, square, templates, and scribe. 2. Selects, positions, aligns, and …
1. Welds together metal components of products, such as pipelines, automobiles, boilers, ships, aircraft, and mobile homes, as specified by layout, blueprints, diagram, work order, welding procedures, or oral instructions, using electric arc-welding equipment: Obtains specified electrode and inserts electrode into portable holder or threads consumable electrode wire through portable …
1. Welds metal components together to fabricate or repair products, such as machine parts, plant equipment, mobile homes, motors, and generators, according to layouts, blueprints, or work orders, using brazing and variety of arc and gas welding equipment: Welds metal parts together, using both gas welding. 2. Performs related tasks, …
1. Performs any combination of following duties to assist workers in welding, brazing, and thermal and arc cutting activities: Moves workpieces, tools, and supplies, manually or by handtruck. 2. Lifts, moves and holds, or clamps workpieces to table, into jigs, or into position as directed, manually or by using hoist, …
1. Computes weight per yard of cloth and compares computations with information on style card to determine conformance of cloth to weight standards: Reads ticket attached to cloth rolls for information, such as style, weight, and yardage. 2. Computes weight per yard, using slide rule. 3. Compares results with information …
1. Tends machine that tests welds of contact disks to spark-breaker arms used in automobile distributors: Positions arm in machine that strikes contact disk with hammer. 2. Discards spark-breaker arms if contact disks break off. 3. Weighs out spark-breaker arms in lots, using scales, and places parts in cartons.
1. Inspects and tests welded joints of work in progress and of completed units for visible defects, correct dimensions, joint strength, bead formation, weld penetration, and conformance with layout, blueprint, and work order specifications, applying knowledge of welding principles and metallurgical properties: Examines joint to detect flaws, such as cracks, …
1. Inspects welded or soldered joints and seams for defects, such as cracks, cold weld, spatter, and undercuts: Tests joints or seams, using either of following methods: Connects test-fittings to pipe, turns valve to admit compressed air, and immerses pipe in water, or brushes soapy water onto pipe to locate …
