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Bellman Melcor

Preforms Align with Lean Manufacturing Goals

A preform, a manufactured shape of brazing filler metal, may be pre-placed in an assembly prior to automated brazing. Made from bulk wire or strip, preforms include rings, washers, discs, shims, edgewounds, and custom shapes.

A key benefit of preform use is speed and accuracy. Conducive to repeatable, controlled processes associated with automated production, brazing preform rings are typically used in HVACR manufacturing where they are loaded on to copper return bends.

Preforms ensure the placement of the correct amount of brazing alloy in the correct position on the assembly, eliminating excessive use and flow of filler metal, making them well suited to help achieve lean manufacturing goals like maximum quality, productivity, and profitability.

Bellman-Melcor makes thousands of custom preforms in a variety of brazing and soldering alloys, specifically designed to fit the tolerances of brazed components in your automated processes. Click here for a quote!


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7575 West 183rd Street
Tinley Park, Illinois 60477

Toll Free: 1-800-367-6024 | Fax: 1-888-BRAZE-IT (272-9348) |