Metal Molding, Coremaking, and Casting Machine Operators and Tenders

Operate or tend metal molding, casting, or coremaking machines to mold or cast metal products, such as pipes, brake drums, and rods, and metal parts, such as automobile trim, carburetor housings, and motor parts. Machines include centrifugal casting machines, vacuum casting machines, turnover draw-type coremaking machines, conveyor-screw coremaking machines, and die casting machines.

Job Task

• Cuts spouts and pouring holes in molds and sizes hardened cores, using saws.
• Signals or directs other workers to load conveyor, spray molds, or remove ingots.
• Requisitions molds and supplies and inventories and records finished products.
• Weighs metals and powders and computes amounts of materials necessary to produce mixture of specified content.
• Smoothes and cleans inner surface of mold, using brush, scraper, airhose, or grinding wheel, and fills imperfections with refractory material.
• Sprays, smokes, or coats molds with compounds to lubricate or insulate mold, using acetylene torches or sprayers.
• Skims or pours dross, slag, or impurities from molten metal, using ladle, rake, hoe, spatula, or spoon.
• Assembles shell halves, patterns, and foundry flasks, and reinforces core boxes, using glue, clamps, wire, bolts, rams, or machines.
• Repairs or replaces damaged molds, pipes, belts, chains, or other equipment, using hand tools, hand- powered press, or jib crane.
• Fills core boxes and mold patterns with sand or powders, using ramming tools or pneumatic hammers, and removes excess.
• Observes and records data from pyrometers, lights, and gauges to monitor molding process and adjust furnace temperature.
• Starts and operates furnace, oven, diecasting, coremaking, metal molding, or rotating machines to pour metal or create molds and casts.
• Removes casting from mold, mold from press, or core from core box, using tongs, pliers, hydraulic ram, or by inversion.
• Pours or loads metal or sand into melting pot, furnace, mold, core box or hopper, using shovel, ladle, or machine.
• Inspects metal casts, and molds for cracks, bubbles, or other defects and measures castings to ensure specifications met.
• Cleans, glues, and racks cores, ingots, or finished products for storage.
• Positions, aligns, and secures molds or core boxes in holding devices or under pouring spouts and tubes, using hand tools.
• Positions ladles or pourers and adjusts controls to regulate the flow of metal, sand, or coolant into mold.

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