Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
Patent
1997-08-19
1998-10-20
Crane, Daniel C.
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflector arranged to bend work transversely of...
72226, 72239, B21B 3110
Patent
active
058230360
ABSTRACT:
A roll forming machine or tube mill comprises multiple mill stands defining a material pass line through the mill stands. The mill stands include rotating arbors carrying tooling which are supported between a drive bearing housing and a rotatable bearing housing. Inactive rollers extend outwardly from the rotatable bearing housing, such that upon rotation of the rotatable bearing housing the inactive arbors can moved to the active position and the formerly active arbors can be moved to an inactive or retooling position on the outside of the mill stands. A change cart includes rails on the upper surface thereof that are brought into registry with corresponding rails on the housing support upon which the rotatable bearing housing is mounted. The rotatable bearing housing is then slid off onto the cart, rotated, and then moved back onto the bearing housing support. The cart then can be disengaged and moved along rails supporting the cart to a position adjacent a succeeding mill, to enable changeover of the succeeding mill.
REFERENCES:
patent: 3979939 (1976-09-01), Pazderka
patent: 4005594 (1977-02-01), Reth
Braner USA, Inc.
Crane Daniel C.
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