Winding apparatus for elongate elements

Details Winding apparatus for elongate elements Winding apparatus for elongate elements

B - Operations, Transporting

65

H

341/44, 242/9

B65H 59/38 (2006.01)

Patent

CA 1310384

- 14 - ABSTRACT Apparatus for winding at least one elongate element with a constant linear speed, such apparatus comprising a feeding mechanism (3, 4, 30, 31, 32) for said elongate element (1), a reel (6) and an induction motor (39) which drives said reel with a fixed gear ratio, the induction motor (39) having such a torque/rotational speed characteristic which is approximately equal to the torque/rotational speed characteristic necessary to obtained a constant tension in the elongate element. The torque/rotational speed characteristic For constant tension is obtained by control means (37) for adapting the frequency and the voltage magnitude of the drive signal for said in- duction motor. The feeding mechanism preferably comprises an electric motor (30), a transmission (31, 32) and a capstan (3). The control means preferably comprises an AC generator (37) which drives the induction motor and is rotated at a speed which is proportional to the rotation speed of the electric motor (30) of the feeding mechanism.

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