Cold-roll forming stand

Details Cold-roll forming stand Cold-roll forming stand

B - Operations, Transporting

21

B

80/25

B21B 13/02 (2006.01) B21D 5/08 (2006.01)

Patent

CA 1071443

ABSTRACT OF THE DISCLOSURE A cold-roll forming stand for forming a flat metal strip into a desired section wherein a pair of upper and lower rolls are mounted on a pair of upper and lower shafts for forming the metal strip lengthwise; a pair of intermediate longitudinal forming rolls for bending or curving the metal strip widthwise are mounted on intermediate vertical shafts which are mounted on the upper shaft through a collar and a bearing and which are centered by center bearing members which in turn are mounted on the lower shaft through a collar and a bearing; right and left pairs of upper and lower housing through which are extended the upper and lower shafts are disposed between the right and left upright frames on the one hand and the upper and lower rolls on the other hand; and a pair of front longitudinal forming rolls are mounted on vertical shafts supported by the pair of upper and lower housings upstream of the pair of intermediate longitudinal forming rolls while a a pair of rear longitudinal forming rolls are mounted on vertical shafts supported between the pairs of upper and lower housings downstream of the pair of intermediate longitudinal forming rolls, whereby the metal strip is subjected to the bending and/or curving lengthwise by the pair of upper and lower forming rolls and widthwise by the front, intermediate and rear pairs of longitudinal forming rolls. Both the front and rear pairs of longitudinal forming rolls may be increased in number, and a plurality of longitudinal forming rolls may be mounted on respective vertical shafts if necessary.

299676

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