Brazers

Braze together components to assemble fabricated metal parts, using torch or welding machine and flux.

Job Task

• Guides torch and rod along joint of workpieces to heat to brazing temperature, melt braze alloy, and bond workpieces together.
• Cuts carbon electrodes to specified size and shape, using cutoff saw.
• Removes workpiece from fixture, using tongs, and cools workpiece, using air or water.
• Cleans joints of workpieces, using wire brush or by dipping them into cleaning solution.
• Examines seam and rebrazes defective joints or broken parts.
• Connects hoses from torch to regulator valves and cylinders of oxygen and specified fuel gas, acetylene or natural.
• Turns valves to start flow of gases, lights flame, and adjusts valves to obtain desired color and size of flame.
• Brushes flux onto joint of workpiece or dips braze rod into flux to prevent oxidation of metal.
• Aligns and secures workpieces in fixtures, jigs, or vise, using rule, square, or template.
• Melts and separates brazed joints to remove and straighten damaged or misaligned components, using hand torch or furnace.
• Selects torch tip, flux, and brazing alloy from data charts or work order.
• Adjusts electric current and timing cycle of resistance welding machine to heat metal to bonding temperature.

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