B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/22
B21D 7/08 (2006.01)
Patent
CA 1291405
A B S T R A C T A DRIVE SYSTEM FOR A BENDING MACHINE An improved bending machine with three or more rollers which may be driven at different speeds and/or with differing torques has a control system unit which receives signals indicative of the position and speed of rotation of one or more of its rollers and which is connected to means for adjusting the position and rotational speed of the or each roller so that commands can be given to vary these parameters. The torque on one or more of the rollers may also be measured and varied. The machine can thus be readily and accurately adjusted to produce bends of differing dimension in strip metal material.
533167
Caledonian Mining Company Limited
Swabey Ogilvy Renault
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