Equipment - Dot Welders

With the Western Arctronics Dot Welder, you can...

• Restore and repair plastic molding dies and injection dies.
• Salvage precision rollers, dies, pistons and cylinders.
• Fill imperfections prior to plating, grinding, etc.
• Repair foundry castings.

The WA 27A Dot Welder is a 60 cycle, single phase, alternating current transformer equipped with the necessary controls to electrically fuse new metal pellets to the base metal in the repair of molds, dies, and other surfaces where a smooth finish is required. It's function is somewhat similar to that of a conventional spotwelder but does not require the complex sequence timing and forging pressure necessary for spot welding. Basically the transformer changes the line voltage to a low open circuit voltage as a result of the ratio of wire turns and consequently gives rise to a very high amperage in the secondary leads. This high current density in the secondary line creates the useful heat for fusing the pellet into the base metal.

For More information visit: Dotwelder.com

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