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DFE Product Amplifies Tension Transducer Signal

(News | New Products)

April 17, 2015, ... and with a streamlined surface mount option. Company says using the module is a simple alternative to mounting a larger, less flexible electronics device--usually a transducer-interface circuit card ...

REM Offers Two-Drum Surface Slitter/Rewinder

(News | New Products)

September 16, 2013, ... surface slitter/rewinder. Designed to convert paper, board, or nonwoven webs to 120 in. wide, model includes as standard shear slitting with easy knife access, dual spreader roll system to assure slit ...

Surface Energy Matchmaking

(Coating/Laminating)

July 31, 2011, ... technical terms, the fluid and substrate both have an inherent amount of energy exhibited at the surface where they come into contact. If the energy within the fluid is high relative to the substrate, ...

Surface Treating: Promoting Adhesion

(Surface Prep)

February 28, 2011, ... packaging industry — surface treatment — lends evolving surface-functionalizing benefits with the latest generation of surface modification innovations. Most packaging polymers, such as polyethylene ...

XOL Automation Joins Enercon's Surface Treating Sales & Service Networ

(Corona, Flame, Plasma)

July 13, 2010, Enercon Industries Corp. has announced the addition of XOL Automation, Beirut, Lebanon, to its surface treatment sales network MENOMONEE FALLS, WI | Enercon Industries Corp. has announced the addition ...

Web Lines: What Is a Tension Zone & How Many Are Needed?

(Editorial)

December 31, 2009, ... the driven rollers in the middle of a slitter/rewinder. When driven properly, these sections are easily ignored, but when the surface speed ratios are off by improper gearing or unintended diameter ...

WEB EXCLUSIVE: Tension Control: Dancer Systems Defined

(Archive)

April 15, 2009, ... with tension control systems is working with closed loop dancers. While dancers are a seemingly simple mechanism, there are complexities below the surface that can impact system performance significantly. ...

Surface Winder Is Reversible

(News Eclips)

March 03, 2009, Macro Engineering & Technology’s latest addition to its family of surface winders includes the AUTOMAX-SBG Reversible Surface Winder. MISSISSAUGA, ON, CANADA | Macro Engineering & Technology’s latest addition ...

Web Tension: A Pop Quiz

(Web Lines)

September 30, 2006, ... to figure the tension ratio of an unnipped roller? (1 point) Have you measured friction of your various webs to the drive roller surface to estimate the tension change that would cause slip? (1 point) ...

Why Tension?

(Magazine)

January 30, 2005, ... Safety Factor. How will uniform tension benefit coating and laminating? Most coating processes are a precise metering of another material onto the surface of the moving web. It’s obvious that good speed ...

Mechanics of Tension Control, Part II

(Archive)

November 29, 2004, ... today. The ultrasonic sensor emits a signal that travels to the rolls surface, bounces off and returns to the sensor. The control logic measures the time it takes for the signal to return to the sensor ...

Pay Attention to Tension

(Archive)

August 31, 2003, ... surface speed in a series of two or more driven rollers, will add or subtract from the unwind tension. Q: What determines the unwind tension? A: Two torques determine the web tension — the torque applied ...

Over-Tensioned Webs and What to Do about Them

(Magazine)

May 31, 2001, ... is done deliberately to increase the amount of contact area of the web on the cooling drum surface in order to improve heat transfer through the web. However, tension above the yield point usually results ...

Selecting the Right Tensioning System for the Application

(Magazine)

April 30, 2000, ... conditions. As the roll unwinds and becomes smaller, the surface speed at the friction faces increases, and required torque decreases proportionately, as does roll inertia. The brake's torque output also ...

Taking the measure of surface treatment is a learning process

(Magazine)

August 31, 1996, If you surface-treat your materials (and it's very likely you do), you should be up to date on methods for measuring the level of treatment.As a growing If you surface-treat your materials (and it's very ...

Static Eliminators: Solutions for Winders, Unwinders and Slitters

(Static-Beat)

August 04, 2024, ... the winding tension. Powered static bar Snip neutralizes the static charges deposited on the web from the nip. This neutralizer should face the web surface that touched the polymer nip roller. A powered ...

Consider Wool an Eco-Friendly Industrial Material

(Web Handling)

July 28, 2024, ... its warmth and comfort. What sets wool apart from other fibers is its remarkable combination of properties. Its natural crimp and unique surface provide a "self-densifying" effect that can be manipulated ...

Measuring the Coating Window: Simplify the Concept with Mapping

(Coating/Laminating)

June 23, 2024, ... true of the coating process. The control settings vary from one coating method to the next. But line speed, viscosity and surface tension are always important. So, the operability region is really a four ...

Static Charges: Production Mishaps and Product Misbehavior

(Surface Prep)

May 26, 2024, ... negatively charged. If one of the materials is conductive, it won't hold the charge, but if the material is non-conductive, the charge is unable to move across the surface, creating a static "pool" of electrical ...

Static Gets Worse at Higher Line Speeds: Keys Toward Maintaining Good Static Control

(Surface Prep)

May 12, 2024, ... far from the wall. However, the air velocity at the wall surface is zero, which is the "zero slip condition." The boundary layer is the transition from "zero slip" at the wall surface to constant velocity ...