Apparatus for supporting the piercing mandrel back-up bar of...

Details Apparatus for supporting the piercing mandrel back-up bar of... Apparatus for supporting the piercing mandrel back-up bar of...

B - Operations, Transporting

21

B

80/13

B21B 17/00 (2006.01) B21B 25/02 (2006.01)

Patent

CA 1217959

ABSTRACT Apparatus is described for supporting the mandrel back-up bar of a press-piercing rolling mill, in which a plurality of constraining elements is supported by a base in two lines disposed parallel to and symmetrically with respect to the rolling and piercing axis of the rolling mill. All the constraining elements of each line are mounted a single beam which is supported on horizontal guides perpendicular to the rollingaxis and is adjustable in position on the guides.

429057

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