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Winding & Unwinding | An Inspection Schedule Will Go a Long Way ...

(Winding Unwinding Rewinding)

September 23, 2018, Making sure that you inspect every aspect of your web handling system or converting machine is critical to your operation. By Joe Connelly, Product Manager/Winding and Slitting at Parkinson Technologies, ...

Slitting Rewinding | Waste Not, Want Not ...

(Slit)

May 13, 2018, Time Is Money, So Efficiency, Production And A Good Roi Tend To Be The Driving Factors For A Successful Slitting Rewinding Operation. How Are Slitter Rewinder Manufactures Making This Happen For Their ...

Static Beat | Control Static on a Winding Roll ...

(Static-Beat)

November 07, 2017, Suppress static sparks on winding rolls to protect operators from shocks, release layers from damage, and labels from blocking. Suppress static sparks on winding rolls to protect operators from shocks, ...

Should Unwind Tension Be Lower Than Winding Tension? ...

(Web Handling)

March 26, 2015, ... t is initiated by machine direction slippage (a.k.a. cinching) within the unwinding roll. Usually this is avoided with the first rule of winding and unwinding: “A roll’s unwinding tension should be low ...

Control Static on a Winding Roll ...

(Static-Beat)

September 05, 2014, Where should I install static bars on a winding roll? Thanks for asking such a great question! Controlling static on a winding roll gets to the heart of effective static control. After all, when ...

Slitting/Rewinding | Worldmark Material Sciences Adds "Clean" Machine ...

(Slit)

August 25, 2014, Elite Cameron installs CW800 with dual-sided contact web cleaner after slitting Worldmark Material Sciences has installed an Elite Cameron Clean slitter/rewinder for conversion of the company’s security ...

Globe Trekking Adventures in Web Handling, Winding & Slitting ...

(Web Handling)

June 02, 2014, Follow Tim Walker on his adventures as he treks the globe solving web handling, winding, and slitting problems in Japan, the UK, and back home in the good ol' USA. While I'm based in St. Paul, MN,  ...

Web Lines | Why Is Winding Optimization Difficult? ...

(Web Handling)

April 21, 2014, Winding is hard work—hard on your brain. Are you ready to get your Ph.D. in web handling? Winding is hard work—hard on your brain. In your education of web handling, nearly all learned out of the university, ...

Web Lines | How the Open Loop Torque Control Sets Winding Tension ...

(Web Handling)

December 09, 2013, There are many winding machines that do not use closed-loop tension control in the winding process. Here is how they work. There are many winding machines that do not use closed-loop tension control ...

Web Lines | Winding Process Fundamentals, Pt. 4 ...

(Web Lines)

September 23, 2013, ... (TD) variations, especially since many roll and web defects have TD variations. In accessing TD variations within a roll, we imagine dividing a winding roll in narrow lanes much like dividing a wide ...

Eliminating Boundary Layer Air During Winding ...

(Web Handling)

July 15, 2013, Eliminate boundary layer air  while winding rolls of film, in most cases, by using a lay-on roller. For coating and extrusion technology, vacuum boxes or electrostatic pinning can sometimes–though infrequently–be ...

Web Lines | Winding Process Fundamentals, Pt. 3 ...

(Web Handling)

May 08, 2013, ... times the pressure from one layer. Where 1 psi (7kPa) may not be enough pressure to hold a roll together against forces of winding, handling, and unwinding, 1,000 psi (7 MPa) is certainly excessive and ...

Basics: What Are the Key Process Variables of Winding? ...

(Web Handling)

May 02, 2013, Basic definitions of tension, nip, and torque help describe what variables are important when winding a roll. Have you ever heard of the TNTs of winding: Tension, Nip, and Torque? I'm not necessaril ...

Catbridge Creates In-House Slitting/Rewinding Lab ...

(News | New Products)

March 12, 2013, Lab features the Model 900 duplex center winder and the 324FP single-shaft turret winder   PARSIPPANY, NJ | Catbridge has created an in-house slitting and rewinding lab at its Parsippany facility. ...

Web Lines | Winding Process Fundamentals, Pt. 2 ...

(Technical Reports)

February 18, 2013, In Part 2 of this four-part series, web handling expert Tim Walker tackles tension control from the first to the final lap of the winding roll Understanding winding, roll defects (e.g. tin-canning), ...

Web Lines | Winding Process Fundamentals, Pt. 1 ...

(Technical Reports)

January 13, 2013, Understanding winding, roll defects, and winding-related web quality begins with understanding how the web, winder design, and process conditions combine to create the stress and strains of the wound roll. ...

Static Beat | High Static on Unwinding Rolls ...

(Static-Beat)

October 30, 2012, Why does unwinding a roll of homogeneous web generate so much static electricity? Why does unwinding a roll of homogeneous web generate so much static electricity? After all, tribocharging occurs when ...

Winding Technology | Now Directly in the Drive ...

(Controls)

September 19, 2012, Simply setting parameters—rather than configuring and programming—is the essential advantage of a new standard “winder” application that can be directly integrated into today’s drive systems. Winding ...

Static Beat | Unwinding Roll Tribocharging ...

(Static-Beat)

September 18, 2012, What measurements can you take to learn if tribocharging is occurring at the unwinding nip? Tribocharging at the unwinding nip can generate high levels of static in a roll-to-roll manufacturing process. ...

WebHandlersQuiz #17: Winding at Constant Torque ...

(Web Handling)

July 26, 2012, ... with our quest to address fundamental questions concerning web handling. To see past Quiz questions and answers, visit: pffc-online.com/blog/walker.  So this blog posting focuses on Winding—If you center ...