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Narrow Web Transducer Measures Light/Heavy Tension

(News Eclips)

May 27, 2009, Dover Flexo Electronics releases the NW Narrow Web line of tension transducers to measure light to heavy running tension for printing presses and converting machinery with 6–20-in. web widths. ROCHESTER, ...

WEB EXCLUSIVE: Tension Control: Dancer Systems Defined

(Archive)

April 15, 2009, A well-built, well-installed dancer working with a proper control can provide a flexible closed loop means of controlling tension in both unwind and rewind applications. One of the challenges in working ...

Amplify the Tension Signal

(News Eclips)

January 20, 2009, Dover Flexo Electronics offers the TrueTension TI17C amplifier, which takes the tension signal to a PLC, drive, or controller when connected to tension transducers ROCHESTER, NH | Dover Flexo Electronics ...

Monitor Tension in Any Zone

(Tension)

December 17, 2008, The TrueTension TI17C indicator with Quik-Cal push-button zero and calibration is a single-channel tension transducer interface (amplifier) for monitoring tension in any zone on web processing machinery ...

Sensing Roll Combines Strain Gauge/Tube

(Tension)

December 17, 2008, The TNT-Series web tension sensing roll combines a sensitive strain gauge... The TNT-Series web tension sensing roll combines a sensitive strain gauge with a durable, high performance, lightweight aluminum ...

Tension Control

(Tension)

November 30, 2008, Controller Offers Ethernet Connection Designed for precise closed loop tension control, the Spyder is capable of controlling web tension in unwind, rewind, Controller Offers Ethernet Connection Designed ...

Idler Roller Bearings: Living the Good Long Life?

(Web Lines)

June 30, 2008, ... line or slitter/rewinder. Note If you run an extremely high-tension web, like steel or an extra-thick paper product, you likely never think about roller drag, so stop here. People look at me funny ...

Montalvo Offers Free Data Sheet For Advanced Dancer Roller

(News | New Products)

June 15, 2008, GORHAM, ME | The Montalvo Corp. is offering a free data sheet for its new D-3400 dancer controller, which was developed to provide accurate, repeatable tension control for unwind applications that use ...

Web Lines: The Spin on Idler Roller Testing

(Web Lines)

May 31, 2008, ... roller performance. If you have a high-tension process, giving up a few pounds to your idler rollers is okay. If you have a scratch-insensitive product, a few rollers that fail to spin may not affect your ...

Roll Winding Dynamics

(Web Handling)

January 31, 2008, ... So no matter how challenging the material, rolls must be wound with the right degree of hardness, rolls must look good, and they must be of the right shape and consistency. Slit width, winding tension, ...

Two-Roll Heated Laminator with Unwind/Rewind

(Archive)

November 25, 2007, ... roll. The six-station unwind section accommodates 270 mm-650 mm wide x 600 mm diameter rolls mounted on cantilevered air shafts. Individual unwind tension is controlled through an ultrasonic diameter measurement ...

Dancer Controller

(Archive)

October 25, 2007, ... transferable memory cards, RS-232 interface to computer, and industrial standard fieldbus connections. The controller was developed to provide accurate, repeatable tension control for unwind applications. ...

In Search of Tension Isolation

(Magazine)

September 30, 2007, In web handling, one of the myths told most frequently is that of the independent tension zone, protected from other tension zones by the protective powers of the tension isolation. Like most myths, we ...

Support Your Rollers

(Magazine)

August 31, 2007, ... should begin with a known parallel reference position. Rigid | Rollers should hold their position and alignment through tension and process changes and over the life of the equipment. Serviceable | Rollers ...

How to Drive a Winding Roll

(Web Lines)

November 30, 2006, ... have more trouble with larger build-up ratios. A center winder’s torque and motor size will be a direct function of final tension and radius. Also, center winding transmits the core-applied torque to all ...

Dancer Rollers: Trust but verify

(Web Lines)

October 31, 2006, In last month’s tension quiz, I gave out five points if your process had a calibrated tension transducer roller. Those of you with dancer rollers might have wondered why you didn’t get any points. Why ...

Web Tension: A Pop Quiz

(Web Lines)

September 30, 2006, Today's column is a pop quiz on web tensioning. Feel free to work as a team on the answers. If you score poorly, don't worry, but it's worth your while Today's column is a pop quiz on web tensioning. Feel ...

Automatic Roll Change

(Magazine)

August 14, 2006, ... is started. But what if this is not done? The programmable logic control (PLC) system can calculate this after a short delay. After a new roll is started and tension control is taken over by diameter calculator, ...

The Pressure of Winding Rolls

(Magazine)

April 26, 2006, ... tensioned web is wrapped around a cylinder, the radial pressure pushing downward is equal to the T in PLI divided by the radius in inches (P=T/R). If a second layer is placed on top of it, it seems the ...

Free E-Seminar For Taper Tension

(Archive)

January 07, 2006, MAGPOWR will host a live e-seminar on Wednesday, January 25, 2006, on taper tension. PRESS RELEASE OKLAHOMA CITY, OK—Update your knowledge on tension control in a free online seminar sponsored by MAGPOWR. ...