METHOD AND APPARATUS FOR ROLL MOLDING OF LAMINATED METAL PANEL

PURPOSE: To prevent not only the generation of a wavy defect such as a pocket wave or an edge wave at the time of the roll molding of a laminated metal panel but also the deterioration of dimensional accuracy caused by the spring back of a bending corner part. CONSTITUTION: In a method subjecting a...

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Hauptverfasser: SUZUKI KOJI, OISHI KUNIYASU
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE: To prevent not only the generation of a wavy defect such as a pocket wave or an edge wave at the time of the roll molding of a laminated metal panel but also the deterioration of dimensional accuracy caused by the spring back of a bending corner part. CONSTITUTION: In a method subjecting a lamainated metal panel formed by bonding two metal panels through a viscoelastic substance with a thickness tr of 0.01mm or more to roll molding using stand groups arranged in a tandem state, the roll clearance of first and final stage stands is set to the range from [total thickness (t) thickness tr of viscoelastic substance/31mm to below (t) mum when the total thickness of the laminated metal panel is set to (t) and the roll clearance of other molding stands is set to 1.0-2.0 times the total thickness (t) of the laminated metal panel.