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2. Bead roller - Wikipedia

   en.wikipedia.org/wiki/Bead_roller

   A Bead roller is a machine tool that makes rigid lines in sheet metal to make surfaces more rugged and durable. The lines bead rollers add to sheet metal prevent warping and disfigurement by adding structural integrity to the metal.

3. Plate rolling machine - Wikipedia

   en.wikipedia.org/wiki/Plate_rolling_machine

   There are different kinds of technology to roll the metal plate: Four-roller machines have a top roll, the pinching roll, and two side rolls. The flat metal plate is placed in the machine on either side and "pre-bent" on the same side. The side rolls do the work of bending. The pinching roll holds the plate.

4. Rolling (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Rolling_(metalworking)

   [citation needed] To fine-tune the process, the speed of the rolls and the temperature of the rollers are adjusted. [20] For thin sheet metal with a thickness less than 200 μm (0.0079 in), [citation needed] the rolling is done in a cluster mill because the small thickness requires a small diameter rolls. [10]

5. Mangle (machine) - Wikipedia

   en.wikipedia.org/wiki/Mangle_(machine)

   A 1923 electric Miele washing machine with a built-in mangle The Oxford English Dictionary dates the first use of the word mangle in English from 1598, quoting John Florio who, in his 1598 dictionary, A World of Words , described "a kind of press to press buckram , fustian , or dyed linen cloth, to make it have a luster or gloss".

6. Roll bender - Wikipedia

   en.wikipedia.org/wiki/Roll_bender

   A roll bender is a mechanical jig having three rollers used to bend a metal bar into a circular arc. The rollers freely rotate about three parallel axes, which are arranged with uniform horizontal spacing. Two outer rollers, usually immobile, cradle the bottom of the material while the inner roller, whose position is adjustable, presses on the ...

7. Roll forming - Wikipedia

   en.wikipedia.org/wiki/Roll_forming

   Roll forming, also spelled roll-forming or rollforming, is a type of rolling involving the continuous bending of a long strip of sheet metal (typically coiled steel) into a desired cross-section. The strip passes through sets of rolls mounted on consecutive stands, each set performing only an incremental part of the bend, until the desired ...