Pinch roll system for vertical laying heads

Details Pinch roll system for vertical laying heads Pinch roll system for vertical laying heads

1981-02-13

1983-11-08

Crane, Daniel C.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflectors arranged to bend work longitudinally of...

72240, 72366, B21D 708

Patent

active

044134940

ABSTRACT:
In a rolling mill wherein hot rolled rod is directed along a downwardly curved path into a vertical laying head which forms the rod into a series of rings, a method of and apparatus for propelling the rod through the laying head. The rod is passed between a pair of adjustable driven pinch rolls located in advance of the downwardly curved path. An initial closing force is exerted on the pinch rolls to establish an initial parting prior to entry of a rod front end therebetween. The initial parting is sized to produce at least some rod deformation while providing a driving relationship between the pinch rolls and the rod. The initial closing force is greater than the momentary surge in separating force accompanying impact of a rod front end with the pinch rolls. The initial parting is maintained until the rod front end has negotiated the downwardly curved path and has passed through the laying head, at which time the initial closing force is released. The pinch rolls can then either be opened completely to allow the rod to continue running freely therebetween, or the initial closing force can be replaced by a lower secondary closing force which allows the rod to push the pinch rolls apart to a secondary parting. The second parting continues the driving relationship between the pinch rolls and the rod, without any accompanying rod deformation.

REFERENCES:
patent: 2179011 (1939-11-01), Hudson
patent: 2190429 (1940-02-01), Kellogg
patent: 2231400 (1941-02-01), Washburn et al.
patent: 2245407 (1941-06-01), Lignian
patent: 2653496 (1953-09-01), Anderson
patent: 3036622 (1962-05-01), Hitz
patent: 3842473 (1974-10-01), Couper
patent: 4215558 (1980-08-01), Shiguma et al.
patent: 4290288 (1981-09-01), Kawakubo et al.
patent: 4344309 (1982-08-01), Matsuzaki

Affiliated with

Also associated with

Rating

Pinch roll system for vertical laying heads does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pinch roll system for vertical laying heads, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pinch roll system for vertical laying heads will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2002348