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Firmware upgrade has simplified commands for spooling and winding

Moog Animatics : 19 November, 2012  (Application Story)
Moog Animatics has released a firmware upgrade to its product line of fully integrated Class 5 servo motors known as SmartMotors. The upgrade aims to simplify spooling and winding applications.
Firmware upgrade has simplified commands for spooling and winding

With the new SmartMotor commands, material of changing width can be wound onto a spool without gaps or unwanted overlap in the wind pattern.

Spooling is the most effective way to conveniently package materials of exceptionally long length such as thread, film, wire and thermoplastics. Typically, the spooling material is fed at a certain rate while a guide traverses the material back and forth corresponding to a desired pattern. The position accuracy of a traversing guide is best maintained when it is linked to the rotational velocity of the winding spool. The SmartMotor’s new firmware offers commands dedicated to solving the pain of programming a motion control system for complicated winding patterns.

“Our latest firmware is custom tailored to the winding industry. We offer both relative and absolute position control for setting traverse points, spool widths, dwell points and more. Knowing the challenges of winding applications, we added the ability to dynamically phase-adjust incoming master signals,” says Hack Summer, Applications Technology Manager at Moog Animatics.  “This enables real-time offsets for variations in material width without sacrificing positioning accuracy at the traverse point and allows for a complete, precise fill of material with no gaps or overlays.”

Example of a tapered wind pattern onto a cylindrical coreExample of a tapered wind pattern onto a cylindrical core

Pevious industry solutions required dynamically changing the electronic gear ratio of the traversing motor or offsetting its traverse speed on the fly. However by utilising a sensor to feed back material width information to the SmartMotor, the effective gear ratio can be dynamically compensated within the SmartMotor to ensure there are no gaps in the material wound onto the spool and without compromising traverse endpoint locations.

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