B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/26
B21D 7/022 (2006.01) B21D 7/12 (2006.01) B21D 11/12 (2006.01) B21D 43/00 (2006.01) B21F 1/00 (2006.01) B23D 31/00 (2006.01)
Patent
CA 2007985
Method for the automatic or non-automatic bending of the trailing end of bars in bending-shaping machines having a bending assembly located downstream of a shears (29) and of a bar feeder unit, whereby the bars may be already straightened or already straightened and sheared to size or may require straightening and the bar (29), after the required bends have been applied to its leading end (T), is fed forwards with a movement of distancing of its leading end (T) by an appreciable length at least partly by the feeder unit, and whereby, when this forward length of feed has been completed, the bar (29) is sheared by the shears (24), thus creating a trailing end (C) of the residual bar (129), in which method the movable shears (24) able to slide on a longitudinal slide block (45) is positioned as required in a direction lengthwise to the bar (29) so as to determine the length of the trailing end (C) of the residual bar (129) in relation to the bending assembly (35). Movable shears located upstream of a bending assembly to be fitted to a bar (29) bending-shaping machine having a bending assembly (35) positioned downstream of a shears (24) and of a bar (29) feeder unit (36), the bars being already straightened or already straightened and sheared to size or requiring straightening, the shears (29) being located upstream of the bending assembly (35) and being able to move lengthwise and to be positioned as required along the axis of feed of the bars (29) and being fitted to a slide block (45) able to slide on lengthwise guides that cooperate with a working platform (22) and are located therebelow.
Del Fabro Giorgio
Del Fabro Marcello
Goudreau Gage Dubuc
M.e.p. Macchine Elettroniche Piegatrici S.p.a.
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