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Web Lines | Blocking in Rolls

(Web Handling)

January 12, 2012, ... it will concentrate all the available tension to one spot or the web’s edge, likely yielding or breaking the web. I’m not an expert is the chemistry of bonding, but I know from experience that there ...

Montalvo Offers Web Tension Upgrades on Wide Range of Equipment

(News | New Products)

December 18, 2011, ... and embossers. The company’s Consulting Page details a number of examples of upgraded electronic web tension controls, load cells, clutches, safety chucks, brakes, brake pad assemblies, and other products. ...

Nip Rolls Suited For Many Uses

(Web Handling)

July 31, 2011, ... applications, feature a variety of surface finishes and coverings. Company says each roll is custom engineered for exacting performance, from low-tension applications to those with extreme nip loads.  ...

Web Lines: Is Wound Roll Pressure Greater Than Tire Pressure?

(Tension)

June 30, 2011, ... psi (or 3 bar or 300 kPa) since atmospheric pressure adds 14.5 psi (or about 1 bar) to every reading. This differential reading is called the gauge pressure. Pressure in wound rolls comes from web tension. ...

How To Wind Defectless Hard, Round Rolls

(Winding Unwinding Rewinding)

June 29, 2011, ... Web Tension must be under control and measurable.        o Web tension cannot vary over +5 % during steady state winding from setpoint        o Web Tension cannot vary over +10 % during acceleration ...

Control Tension With Ease

(Tension)

April 30, 2011, The S4 digital tension controller is said easy to install, set up, and operate, and to ensure uniform tension control regardless of roll diameter by using The S4 digital tension controller is said easy ...

Roll Finishing-Cut & Sand

(Winding Unwinding Rewinding)

April 30, 2011, ... in one pass through the roll and maintaining the paper quality of the mill-wound roll. This avoids possible errors inherent in the unwinding and rewinding process, such as wrinkling and tension problems, ...

Controller Has Intuitive Interface

(Tension)

April 30, 2011, SteadyWeb 5 digital tension controller gets operators up to speed with minimal training via large 4.3-in. user interface that features illustrated prompts SteadyWeb 5 digital tension controller gets operators ...

Web Lines: Limitations of Vacuum Pull Rollers

(Web Handling)

February 28, 2011, I love vacuum pull rollers (VPRs). When it comes to driving a web without slipping and scratching or to knowing you have control of the tension differential I love vacuum pull rollers (VPRs). When it comes ...

Web Lines: Blow Away Your Roller

(Web Handling)

December 31, 2010, What can reverse the direction of your web without touching it? What can redirect a web's running angle or inclination with the tension losses of roller What can reverse the direction of your web without ...

Web Lines: Q&A on Roller Deflection

(Web Handling)

October 31, 2010, ... away from the supported end. A roller supported from both ends will have maximum deflection at the center of the roller. What causes roller deflection? Gravity, tension, nip loads, and intentional ...

Montalvo Website Features Tension Upgrade

(Tension)

October 12, 2010, ... and reduced down time and waste. The emphasis is on obtaining and controlling minimal tension on extensible materials from the full roll mode down to the core using the Mark Andy 4120 presses. The ...

Web Lines: Web Length per Roller Revolution=?

(Editorial)

September 30, 2010, ... only to 99%. If you want to accurately estimate the feed rate, you need to consider other factors, including the effects of web thickness, web tension, nipping compression, and rubber covering elongations. ...

Control Tension Precisely

(Tension)

May 31, 2010, The X-3400 rewind tension controller works to control the slippage of differential winding shafts and controls the torque transferred to the cores. The The X-3400 rewind tension controller works to control ...

Rollers Add Precision

(New Products)

March 31, 2010, ... Differential Shaft extra speed and precision in differential winding applications, company reports. Said to offer easy loading and precision tension control, rollers allow free lateral movement of heavy ...

Rollstands for Winding Control

(New Products)

January 31, 2010, ... A-frame with brakes, safety chucks, and a shaft to more complex systems with closed or open loop tension control, and motorized rewind stands. All components work together for optimal winding control without ...

Get Accurate Tension Reading

(New Products)

January 31, 2010, The EasyView tension indicator is a compact, low-cost, general-purpose web tension amplifier with display. Indicator is powered by 24 volts DC and amplifies The EasyView tension indicator is a compact, ...

AIMCAL Offers Nip Roller Workshop & Drives Course

(News | New Products)

January 12, 2010, ... split covering the following: • Nipping system design • Nip roller pressure • Wrinkling and lateral control • Driving and tensioning • Laminating and curl The fee is $1,799 with a 10% discount ...

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

(Editorial)

December 31, 2009, Tension and speed control are the two most fundamental purposes of any web handling system. Speed control is easy for most people to understand, since Tension and speed control are the two most fundamental ...

What Is the Right Tension?

(Web Lines)

November 30, 2009, Of all the questions about web handling, the most-asked question has to be: What is the right web handling tension for my product? This is a great question Of all the questions about web handling, the ...