FORMING METHOD USING ROLL-FORMING APPARATUS

FORMING METHOD USING ROLL-FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide a roll-forming method that can impart multiple sweeps (i.e., non-uniform longitudinal curvatures) into a roll-formed beam without causing the roll-formed beam to wander and bend uncontrollably.SOLUTION: A sweep station 20 of a computer controlled roll-forming apparat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOULD BRYAN E, DODD JAMES H, LYONS BRUCE W, HEINZ RICHARD D
Format: Patent
Sprache:eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a roll-forming method that can impart multiple sweeps (i.e., non-uniform longitudinal curvatures) into a roll-formed beam without causing the roll-formed beam to wander and bend uncontrollably.SOLUTION: A sweep station 20 of a computer controlled roll-forming apparatus 19 includes a primary bending roller tangentially engaging continuous beam 21 along a line level and an armature for biasing the continuous beam against the primary bending roller for a distance partially around a downstream side of the primary bending roller to form a sweep. Further, actuators adjustably move the armature at least partially around the downstream side of the primary bending roller between at least first and second positions for imparting multiple different longitudinal shapes into the continuous beam.