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Pneumatic trim removal systems must be of sufficient size to properly convey your most difficult to handle edge trim. Usually, pneumatic trim removal systems are designed to convey your thickest, heaviest, widest trim, running at their fastest speed. Blower horsepower, duct size and venturi design must all be considered when designing a pneumatic waste removal system to work for your most demanding application.
But what happens when you want to run thinner, lighter, narrower trim at varying running speeds? Often times, trim removal systems are of proper size to convey your “worst case” trim. However, the overall system design may be too great for a large percentage of the less demanding trim removal requirements. Why is this a problem?
A variable frequency drive (VFD) can help alleviate some of the headaches. A VFD allows you to control the speed of the AC motor on the blower, which is powering your trim removal system. By controlling the speed of the motor, you then control the amount of air through the trim removal system. This may help you fine tune the system for optimum performance for your lightest to heaviest application, thereby decreasing noise, saving power and eliminating trim-breaks.
It is highly recommended to check with your trim removal supplier to ensure adding a VFD is advisable for your system. Many trim removal equipment suppliers offer VFD’s as options with the systems they manufacture. Check with the VFD supplier to ensure proper pairing with your existing blower and of course, have a licensed electrician do the integration.
Jeffrey Damour, Sales Engineer, Converter Accessory Corporation, Wind Gap, PA
**DISCLAIMER - A great deal of time has been invested in the development of our weekly tech tips. To the best of our knowledge, they are accurate. It is up to the user to verify all results.|
THE AUTHOR ASSUMES NO LIABILITY CONNECTED WITH THE USE OF THIS INFORMATION OR THE RESULTS OBTAINED FROM IT.
201 Alpha Road
P.O. Box 188
Wind Gap PA 18091-0188
Phone (800) 433-2413 or (610) 863-6008
Fax (800) 709-1007 or (610) 863-7818
What is Web Handling?|
Web Handling is the science, engineering and equipment necessary to successfully transport a continuous flexible material through various processes without defect. Enhancing Web Handling with proper equipment will ensure materials are processed at their maximum efficiency, allowing the process to generate maximum profits.
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