Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
Patent
1998-07-16
2000-01-18
Crane, Daniel C.
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflector arranged to bend work transversely of...
B21D 508
Patent
active
060148802
ABSTRACT:
The invention provides a siding machine for making metal siding having a formed top edge, a formed bottom edge, and a formed middle portion, from a coil of sheet metal which feeds between upper and lower rolls. The machine comprises a flat board former section having a fixed position bottom edge former, a plurality of fixed position driven upper and lower drive roll sets for feeding the sheet metal through the machine and an adjustable top edge former. The top edge former is adjustable from a minimum width closest to the bottom edge former to a maximum width. A transformer section receives a flat formed board from the flat board former section for forming a decorative profile in the middle portion of the board. Transformer rolls are mounted on an adjustable frame adjustable, within pre-set limits, perpendicular to the direction of travel of the board such that the transformer rolls may contact and form the board at a chosen location on its face. An improved motor drive control is also provided that starts the machine gently, reducing jamming and electrical overload, and allows the operating speed to be varied.
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patent: 5787748 (1998-08-01), Knudson
MacDonald Lorne
Pockrandt Don
Crane Daniel C.
North American Machine Manufacturing Ltd.
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