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Web Handling: Top 7 Causes of Wrinkles ...

(Web Handling)

October 09, 2011, Web wrinkling during converting can come from a variety of sources--sometimes multiple sources. Thus, pinpointing the exact cause and cure is not always easy. In fact, it is often a process of trial and ...

Thin Webs without Wrinkles ...

(Magazine)

September 30, 2002, Any converter running webs of thin- and ultra-thin-gauge material, including foil, may experience wrinkle problems. In general, there are at least two Any converter running webs of thin- and ultra-thin-gauge ...

Web Lines | Action Plan for CD Buckles, Part 2 ...

(Web Handling)

April 10, 2017, ... Part 3 of this series, we’ll look at more remedies for these CD buckling defects, moving outward from the core. Web handling expert Tim Walker, president of TJWalker+Assoc., has 25 years of experience ...

Web Lines | Action Plan for Baggy Webs ...

(Web Handling)

August 16, 2016, ... and high levels of bagginess. Baggy webs are a major source of waste or customer complaints in many paper, film, and foil processes. Baggy webs will not lay flat or they sag at the web’s edges or in ...

Web Lines | Unwritten Rules, Now Written ...

(Technical Reports)

April 27, 2015, Here are 3 web handling rules Tim Walker keeps forgetting to tell you Here are 3 web handling rules Tim Walker keeps forgetting to tell you. There are a few things that I almost always forget to ...

Web Lines | How To Create an MD Running Fold in a Wide Web ...

(Technical Reports)

March 16, 2015, Web handling expert Tim Walker offers three options for this folding process Web handling expert Tim Walker offers three options for this folding process. Q: I'm looking to fold a 10-in. (250-mm ...

Does This Roll Contain Quality Web? ...

(Web Handling)

January 29, 2015, ... now when your new sense is telling your something clearly or something mysterious. The falling and crashing is important. For roll and web quality, roll hardness data alone has limited value. No one ...

Web Lines | Wrinkling? ...

(Web Handling)

May 18, 2014, ... They can look at your product geometry, mechanical and frictional properties (of your rollers), roller factors, web path geometry, and process conditions (speed/tension), then predict wrinkles from roller ...

Is There a Doorman at Your Winder or Do You Let Just Any Web Get In? ...

(Web Handling)

May 15, 2014, Web handling expert Tim Walker of TJWalker + Assoc. and author of "Web Lines" describes the function and benefits of a nipping roller at winding. I was just reviewing a lab coater line the other day ...

Maxson Bowed Rolls Smooth Out Wrinkles

(News | New Products)

April 14, 2014, Bowed rolls in carrier system of paper sheeters will smooth out wrinkles, said to be especially valuable when running multiple lightweight webs   WESTERLY, RI | Maxson Automatic Machinery Company ...

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

(Web Lines)

September 23, 2013, In Part 4 of this four-part series, web handling expert Tim Walker explains how TD variations in equipment or web properties affect roll structure How do transverse direction variations in equipment ...

WebHandlersQuiz #19: Advantages of a Nipped or Gap-Controlled Roller ...

(Web Handling)

September 30, 2012, WebHandlersQuiz #19: What are the three advantages of using a nipped or gap-controlled roller ahead of winding? So we're back to basics, Folks! Can you name three advantages for using a nipped or gap-controlle ...

Web Lines | Why Avoid Nips? ...

(Web Handling)

September 24, 2012, I recently posted my top three blind recommendations for any process. If you are a long-time reader of Web Lines, you will know why to avoid nips and use bigger cores, but if not, here is a quick refresher ...

NimCor Bowed Rolls Suited for Narrow Webs ...

(Label/Tape)

June 23, 2012, Perma-Bow bowed rolls from NimCor remove web wrinkles, control slit web separation, and more in narrow web applications   NASHUA, NH | NimCor offers Perma-Bow bowed rolls said to be well suited for ...

WHQuiz Answer #13 - Web Wrinkling vs. Speed ...

(Web Handling)

February 22, 2012, WebHandlersQuiz 13: Wrinkling - If you see wrinkles at low speeds, but the wrinkles go away at higher speeds, what is the most likely reason?  Answer... WebHandlersQuiz 13: Wrinkling - If you see wrinkles ...

WHQuiz Answer #14 - Web Wrinkling and Deflection (2) ...

(Web Handling)

February 22, 2012, WebHandlersQuiz 16: Spreading - Name a spreader or anti-wrinkle roller that does NOT have a rubber surface?  Answer... WebHandlersQuiz 16: Spreading - Name a spreader or anti-wrinkle roller that does ...

Web Lines | Test Your Web Handling Knowledge ...

(Web Handling)

February 14, 2012, Can you pass this 20-question quiz to prove you understand basic principles of web handling? Can you pass this 20-question quiz to prove you understand basic principles of web handling? What if a ...

Web Handling Workshops from TJWA & Optimation  ...

(News | New Products)

January 26, 2012, Wrinkling, spreading, winding, tension control, and web defects are some of the topics on the agenda in a 2012 series of web handling workshops ROCHESTER, NY | Optimation and TJWalker + Assoc. have ...

Web Lines: Take the Laminator Quiz ...

(Coating/Laminating)

October 16, 2011, ...  and easily viewable? 3 pts. 3. Do you control pre-laminating tensions of input webs to match elastic strains? 10 pts. 4. Do you control downstream tension to a set point nearly equal to the sum o ...

Plotting Shear Wrinkles

(Web Lines)

August 21, 2011, The combined conditions of when roller misalignment is bad enough to wrinkle a web is a complicated mechanism. You have to combine concepts of roller misalignment, web buckling, and web-to-roller traction ...