Anti-vibration system for high speed winding of sheet material a

Details Anti-vibration system for high speed winding of sheet material a Anti-vibration system for high speed winding of sheet material a

1997-03-27

1998-04-28

Jillions, John M.

Winding, tensioning, or guiding

Convolute winding of material

With spool loading or coil removal

2425416, 242547, B65H 1816, B65H 1826

Patent

active

057434832

ABSTRACT:
A system and method for controlling vibration of an axially rotatable mandrel useable for winding sheet material including stretch film thereabout. The system includes first, second and third roller members rotatably contactable with the mandrel and sheet material wound thereabout. The roller members are arranged about the mandrel axis so that the mandrel and any sheet material wound about the mandrel is supportably captured between the roller members to prevent or at least substantially reduce vibration of the rotatable mandrel. At least the first and second roller members are biasable toward the mandrel with pneumatic pressure from corresponding air over oil cylinders, and the first and second roller members are movable away from the mandrel against hydraulic resistance from the corresponding air over oil cylinders to accommodate sheet material wound increasingly about the mandrel. In one configuration, first and second mandrels are rotatably coupled to a rotatable turret that alternately positions the mandrels relative to a power driven lay-on roll, wherein each mandrel has at least one corresponding set of first and second roller members which cooperate with the lay-on roll to prevent vibration of the rotating mandrel.

REFERENCES:
patent: 3298624 (1967-01-01), Schott
patent: 4105170 (1978-08-01), Schonmeier
patent: 4715552 (1987-12-01), Matsumoto
patent: 5054707 (1991-10-01), Olson
patent: 5226612 (1993-07-01), Mulfarth

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