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COF Testing: Why Does it Matter?

(Process Management)

July 31, 2008, ... to the optimum processing and handling of packaging from filling operations through to the consumer. COF is defined as the force required to move one surface over another, divided by the total force applied ...

Winding: What We Know & What We Don't Kno

(Winding Unwinding Rewinding)

July 31, 2008, ... design, we have a good handle on winding single rolls; understanding the differences in driving from the center, surface, or both; nipping or not nipping; and tapering tension or nip load versus roll radius. ...

Web Lines: The Spin on Idler Roller Testing

(Web Lines)

May 31, 2008, ... spring scale and measure the surface force required to move the roller at creep speed. At-speed testing answers the question, “Are your idler rollers turning at line speed?” You can use a contact or ...

Dyne Levels Part 1

(Process Management)

May 31, 2008, Surface energy is a fundamental property of solids and varies from low in plastics such as PE to high for glass and metal surfaces. Surface tension is Surface energy is a fundamental property of solids ...

A Recipe for Scratching

(Web Handling)

April 30, 2008, ... hold the web. Force The web must be pushing against the scratch-causing surface with sufficient force. Do the opposite: The normal load or pressure is created by the tension web pull over a radius. ...

What's New Product

(Magazine)

March 31, 2008, ... screen heads. Water Ink Technologies | 800-426-4657 | www.waterinktech.com PFFC-ASAP 409 Winders Are Upgraded Company reports an upgrade in its PAC 50 Series surface winders. New version features ...

TOP 10 EClips PFFC's electronics clipping service for converter

(New Products)

February 29, 2008, ... feature a tacky surface with quality release properties. Said to be ideal for picking off surface dirt and contaminates from substrates. Jemmco | 262-512-9559 | www.jemmco.com PFFC-ASAP 310 #7 Digital ...

What's New Product

(New Products)

February 29, 2008, ... a durable steel screen that distributes vacuum suction evenly across the roll face. Company says fine mesh creates a smooth surface for mark-free web handling, while providing better control in transporting ...

Web Lines: Thinking About New Equipment?

(Web Handling)

January 31, 2008, ... engineers to size the motors. Step 5 | Rollers Specify roller surface to meet your traction needs, especially at high-speed, large-diameter, low-tension conditions. Specify bearings, support, and alignment ...

Melamine Revisited

(Coating/Laminating)

January 31, 2008, ... or high vacuum systems. Under moderate vacuum conditions and above its low sublimation temperature of 200 deg C, melamine can cover large surface areas in a fraction of a second, creating a nano-layer ...

Property Control

(Coating/Laminating)

January 31, 2008, ... used in routine production because of test method complexity, even though they will help control the process. For example, surface tension is a key variable in controlling the wetting and coating quality ...

February Products

(Magazine)

January 31, 2008, ... that can be used in adhesives and coatings intended for indirect food additive applications. Said to offer low adhesion build, especially on glass, and clean removal from most surfaces. Omnova Solutions ...

Roll Winding Dynamics

(Web Handling)

January 31, 2008, ... of a film's material surface can complicate matters further in that it increases the incidence of surface scratches and abrasions. Equipment Solutions In designing slitting and rewinding equipment able ...

Get a Grip: Driving Your Web

(Archive)

December 31, 2007, ... for driving a web between tension zones include the following: Unnipped rollers Simple, usually with a larger wrap angle and high traction surface (rubber with a roughness or groove pattern). These ...

Parallel Protocol

(Web Handling)

December 31, 2007, ... directions between three mirrors. As the unit is swept across the surface of a roll for a minimum of 20 deg, indicated in Figure 3, one laser is lengthened as the other is shortened in each of the gyroscopes. ...

Products

(New Products)

December 31, 2007, ... 402 Air Knife Is Quiet, Precise The 48-in. Super Air Knife for blowoff, drying, and cooling applications provides wide surface coverage, offering an efficient way to clean webs or conveyors. Sound ...

PFFC Pilot/Lab/Technical Facilities Directory

(Magazine)

November 30, 2007, Is there a problem with your process? Fix it! These technical facilities stand ready to help. Adherent Laboratories 3804 Dunlap St. North, St. Paul, MN 55112; 651-247-3364; This email address is being protected from spambots. You need JavaScript enabled to view it.; ...

New Converting Products, Part 3

(Magazine)

November 30, 2007, ... under aggressive retort sterili-zation conditions. Toray Plastics America | 401-294-4511 | www.torayfilms.com PFFC-ASAP 425 Plasma Treating Suited for Medical Uses Plasma3 atmospheric plasma surface ...

Differential Winding Limits: Part I

(Web Lines)

October 31, 2007, ... like a car’s clutch, loads two non-locking surfaces together. By controlling the load between the two slipping surfaces, you control the friction-limited force that develops when the clutch slips. Most ...

WHAT'S NEW PRODUCT

(Magazine)

September 30, 2007, ... equipment or part of a new line. Unwinds can be center braked, center driven, or surface driven. Company says precise tension control is achieved with a tension roll or dancer roll system. Retroflex | ...