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Web Lines: Would You Like Nips with That?

(Winding Unwinding Rewinding)

March 31, 2011, ... or draw ratio. How many driven rollers your process has may be due to the need for local process-specific tensions or to make up for tension losses of undriven roller drag and inertia. How much traction ...

Web Lines: Blow Away Your Roller

(Web Handling)

December 31, 2010, ... touching it? What can redirect a web's running angle or inclination with the tension losses of roller drag or inertia? What can turn your web process centerline at a right angle? How can you take a running ...

Static Beat: Prevent Winter Static

(Static Elimination)

September 30, 2010, ... slips and slides over low-wrap rollers. Check the bearing drag using a simple spin-down test as described by Tim Walker in “Web Lines” (June 2008 PFFC). The spin-down test itself is simple: Drive the roller ...

Sustainability Is the Buzz at PLACE Conference

(Trends/Management)

May 31, 2010, ... Div. Technical Award and Rohm and Haas Prize; Bruce W. Foster, Div. Leadership and IPE Service Award and Andreas Ahlbrandt Prize; Barry A. Morris, 2008 PLACE Conference Best Paper Award and Dragan Djordjevic ...

Sustainability Is the Buzz at PLACE Conference

(News | New Products)

May 05, 2010, ... Ahlbrandt Prize; Barry A. Morris, 2008 PLACE Conference Best Paper Award and Dragan Djordjevic Award for the Best Paper Related to Cast Film and Extrusion Coating; Jerome Pascal and Gunter Schubert, 2008 ...

TLMI Guest Speakers Expect Improving Business Climate

(News | New Products)

March 08, 2010, ... of the US dragging others along. * There are about 1.5 million too many homes, although much of these housing problems are regionally based. It will take about 12 months of sales for any improvement to ...

Static Beat: When To Use Static Blowers

(Static Elimination)

January 31, 2010, ... an ion is modeled as a small, charged sphere. We can apply Stokes' drag to get a rough estimate of this ion's mobility. To find the mobility (b), set the drag force equal to the electrostatic force and ...

What Is the Right Tension?

(Web Lines)

November 30, 2009, ... misaligned splices. Tension will vary in the machine direction from gravity or roller drag and inertia losses. Feel free to live closer to the danger point with a lower safety factor if you have a narrow ...

How To Prevent Winter Static

(Static Elimination)

August 31, 2009, ... when the film slips and slides over low-wrap rollers. Check the bearing drag using a simple spin-down test as described in “Web Lines: The Spin on Idler Roller Testing,” by Timothy J. Walker, PFFC June ...

People News: March 2009

(News Clips Archive)

February 28, 2009, ... Bill Mulligan is hired as regional account manager for the East territory; and Randy Nicholson becomes regional account manager for the Midwest. Dr. Danut Dragoi becomes senior scientist at NDC Infrared ...

View From Down Under

(Editorial)

December 31, 2008, ... or leave. If this premise is wrong, look to Scandinavia and some of the best businesses there. If future corporatism is allowed to follow the past, the past will only drag on our future to the detriment ...

Who's Driving This Nip

(Web Lines)

November 30, 2008, ... web to overcome drag from bearings, inertia, and rubber hysteresis, not to mention whether your nips are used as part of a drag-creating process, such as calendering, embossing, or metering viscous fluids. ...

Do You Have a Need for Speed?

(Web Lines)

September 30, 2008, ... a hot rod will survive your drag racing dreams. In the paper industry, where speeds of 5,000, even 12,000 fpm are not unusual, critical speeds of all rotating elements must be addressed. Most web handling ...

A Wealth of Accumulators

(Web Lines)

August 31, 2008, ... to close the tension loop. Accumulators with a large number of rollers may see scratching or width-variation-induced wrinkling during the tension swing from drag and inertia. Both low inertia rollers ...

Experience Speaks: Robert A. Jessup

(Experience Speaks)

August 31, 2008, ... business. How do you handle a difficult customer? Don't let the situation drag on. You must immediately engage the customer, get to the root of the problem, and search for an equitable solution.  ...

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 ...

Web Lines: The Spin on Idler Roller Testing

(Web Lines)

May 31, 2008, ... to measure their performance. There are three tests I recommend: break-away drag, at-speed, and spin-down testing. Break-away testing is the simplest test and something that comes naturally, like kicking ...

A Recipe for Scratching

(Web Handling)

April 30, 2008, ... Decrease the traction demand with low drag bearing performance, reducing roller inertia, minimizing acceleration rates, and reducing tension differentials across driven rollers. Stress Concentration ...

Rotary Converting Solution for Multi-Layer Products

(Archive)

March 02, 2008, | Schober USA has released the Schober Dragon multi-layer product processor (MLPP) for the manufacture of high-precision, self-adhesive assembly parts and components for the automobile, telecommunication ...

Get a Grip: Driving Your Web

(Archive)

December 31, 2007, ... more rollers or moves to lower tensions, more driven rollers may be added to reduce the percentage of tension lost to roller drag and inertial torques. Each added driven roller creates another tension ...