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Roll forming can be described as a continuous bending operation done at room temperature in which sheet or strip metal is plastically deformed along a linear axis. Tandem sets of rolls (known as roll stations) shape the metal stock in a series of progressive stages until the desired cross-sectional configuration is obtained.
Roll forming is ideal for producing parts with long lengths or in large quantities. It can also produce multiple length parts from the same set of tooling. Virtually any material that can be formed by sheet forming techniques can be roll formed.
The process is quite cost effective for large production runs, although sometimes roll-forming is utilized regardless of quantity, when dimensional consistency is of tantamount importance.
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