Positive feeder device for feeding metal wires at constant tension
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United States of America Patent
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Jan 10, 2017
Grant Date -
Jan 15, 2015
app pub date -
Oct 29, 2012
filing date -
Nov 2, 2011
priority date (Note) -
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Abstract
A metal wire feeder device including a body presenting a wire braking member, one or more pulleys driven by respective motors about which the wire is wound, the wire before reaching a processing machine passing through a compensator member and a tension sensor, an electronic control unit able to continuously measure the tension value and make it uniform at a predetermined value by acting on a first regulator loop operating on the motors and a second regulator loop operating on the compensator member. The electronic control unit operates automatically in making the tension uniform at the predetermined value, on the basis of the fed wire quantity or of the wire feed velocity.
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