B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/38.1
B65H 51/00 (2006.01) B65H 54/28 (2006.01) B65H 59/40 (2006.01)
Patent
CA 2002309
ABSTRACT OF THE DISCLOSURE A high-speed precision winder for winding a running yarn onto a tube to form a cross wound yarn package, including a spindle for rotating the tube about a spindle axis, a yarn traversing mechanism for guiding running yarn received along an infeed path back and forth across a traverse zone, a bail roller disposed in rolling contact with the peripheral surface of the yarn package being wound, a tensioner for varying tension of the infeed yarn, and a control system for continuously regulating operation of the winder during formation of the package. The control system includes three separate variable speed drive motors and respective associated motor control circuits forming a spindle drive, a traversing means drive, and a down pressure drive providing three independent motor systems which are separately controllable. Load cells are associated with the bail roller and tensioner and output signals from the load cells and a predetermined set processing condition data applied to a microprocessor provide control signals to activate the motor to position the bail roller and transversing mechanisms and regulate the spindle drive, traversing mechanism drive, and bail roller and traversing mechanism position to maintain a desired yarn density and tension throughout winding of the package.
Appalachian Electronic Instruments Inc.
Kent & Edgar
Nickell Larry C.
LandOfFree
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