OEM develops enhanced rolling ring winding system

Amacoil Inc. reports that one of its OEMs, Alternate Mechanical Drives (AMD), recently developed and introduced a level winder that improves winding accuracy by integrating inexpensive sensor technology with Uhing rolling ring traverse assembly. The resulting level-winding system produces smooth, even spooling with no material build-up or “valleys” at the spool flanges. Sensors detect when the material being wound reaches the spool flanges, and then triggers a reversal of the drive head. This improves accuracy and saves time by eliminating the need for the operator to set the end stops on the Amacoil Uhing assembly.

As the material being wound reaches the spool flange, a sensor pulley is displaced. The pulley movement is monitored by proximity sensors, which send a signal to pneumatic cylinders mounted on the Uhing traverse reversal mechanism. These PLC-controller cylinders trigger the mechanism, causing reversal of the traverse. The system also can be set to provide precise slowdown, ramp-up, and dwell at the reversal point as application requirements arise.

AMD’s level winder also eliminates the need to incorporate servo control components, which can add cost and complexity to the set-up. The sensor pulley assembly is supported by a linear slide. This protects the bearings in the Amacoil Uhring traverse from being overloaded, and prevents twisting of the traverse guide rails and supports.

The same motor used to rotate the spool is linked to the traverse drive shaft by a belt and pulley system. Driving the Uhring traverse in this manner automatically synchronizes its linear movement with spool rotations. This does away with gear-reducing mechanisms, and further assures even placement of laylines on the spool.

For more information, visit www.amacoil.com .

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