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What is the process of Roll forming ?

Cold roll forming is a bending process where the bending occurs gradually in several forming steps from an un deformed strip to a finished profile in roll forming machine . The process is very interesting for the sheet metal industry due to the high speed in which the profile can be produced by roll forming machine . High strength steel has, in recent years, become more common in cold roll forming. These materials have advantages but also disadvantages that affect the design of the process.The cold roll forming process is a highly efficient process used to produce profiles for many applications, for example vehicles, buildings, domestic machines, etc. Therefore, its market share is increasing every year. Many of the above products are already today made of high strength steel and the usage of these materials will likely continue to increase.