Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1996-09-18
1997-11-25
Crane, Daniel C.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 83, 72 111, 72129, 72181, 72339, 83 49, 83917, B21D 2826
Patent
active
056899866
ABSTRACT:
A plurality of successively spaced notches are formed in a side edge of a metal strip by first and second adjustably positionable dies prior to roll forming of the strip to a formed configuration. After roll forming, fingers engage selected edges of the notches to detect a notch length dimension and a full part length dimension. Sensors detect the position of the fingers and generate output signals to a controller which generates an adjustment signal based on the switch conditions to adjustably position the first and second dies to accommodate any elongation of the metal strip during roll forming.
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patent: 4403489 (1983-09-01), Munsterman
patent: 4878368 (1989-11-01), Toutant et al.
patent: 5069053 (1991-12-01), Wallis
patent: 5207083 (1993-05-01), Bongiovanni et al.
patent: 5456099 (1995-10-01), Lipari
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