B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/38
B21D 7/16 (2006.01) B21D 5/02 (2006.01)
Patent
CA 1138762
- 1 - ABSTRACT A bending device for bending sheet metal comprising a bar for connection at one end to a ram of a press brake, the bar having a tapered end cooperating with a bending die. A sheet of metal fitted on the die is bent by the bar which is forced down by the ram into a longitudinal groove of the die. To vary the depth of the groove and thereby the bending angle, there is provided a a saw-toothed wedge system arranged in said longitudinal groove. By displacing the upper wedge relative to the lower wedge, the depth of the longitudinal groove is adjusted. In order to pre- vent a deflection of the wedge system under the influence of the bending force, the wedge system consists of a plurality of individual upper and lower wedge pairs arranged side by side, whereby the gaps between each upper and lower wedge of each wedge pair are staggered in relation to each adjacent wedge pair.
367299
Haemmerle A.g.
Swabey Ogilvy Renault
LandOfFree
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