During roll forming, the strain (elongation) of the outside edge fiber of the strip must remain below the uniform engineering strain (elastic limit).

Related MCQs

• In stretch forming, forming limit curve (FLC) is defined as a locus of all the limit strains in different strain paths of the sheet metal.
• During roll forming, a flat strip is passed number of times through the rollers.
• What is camber in roll forming?
• Rubber forming is a type of forming process in which polyurethane is used as a die material.
• Which of the following processes is not the type of bulk forming process in the metal forming?
• Stretch forming is a sheet metal forming operation in which shearing is taking place to deform the material.
• In the electromagnetic forming process, the forming pulse is kept longer to optimize the use of energy.
• Which of the following methods of forming is not the part of electromagnetic forming?
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• Tangential stretch forming and simple stretch forming are quite similar to each other.