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Web Industries Acquires CAD Cut

(Die-Cutting News)

January 26, 2013, CAD Cut’s fabric cutting and kitting services to enhance Web’s PrecisionSlit converting technologies   MARLBOROUGH, MA | Web Industries, a provider of custom manufacturing and development services ...

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. ...

Web Lines | Why Bigger Cores?

(Technical Reports)

November 15, 2012, ... is a gigantic core with one wrap on it. Think about it. Bigger cores have fewer layers for a given length of web on the core. Fewer layers of build up mean less magnifying of long-term thickness variations, ...

Web Handling Q&A on Lateral Web Movement

(Web Handling)

October 18, 2012, In the field of web handling, debates still rage over whether a baggy web tracks to its tight or loose side. This answer contributes to the discussion and may help settle the score. Recently, I received ...

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 ...

View Tension Easily with Dover Flexo Indicator

(News | New Products)

September 18, 2012, ... indicator, a compact, general-purpose web tension amplifier and display (analog or LED) for web printers, converters, and web process manufacturers. It mounts on a machine frame in its enclosure version, ...

WebHandlersQuiz #18: Which Rolls Tighter—Paper or Film?

(Web Handling)

August 09, 2012, Which—paper or film (with equal dimensions and winding conditions)—will likely have higher internal roll pressures? WebHandlersQuiz 18 continues the Q&A format I began this past February with our quest ...

WebHandlersQuiz #17: Winding at Constant Torque

(Web Handling)

July 26, 2012, If you center wind at constant torque, what is the percent change in tension if the roll diameter changes from 100 mm to 400 mm? WebHandlersQuiz 17 continues the Q&A format I began this past February ...

Dover Flexo Tension Controller Has New Features

(Controls)

April 18, 2012, The SteadyWeb5 digital tension controller from DFE is now offering new communications options   ROCHESTER, NH | Dover Flexo Electronics (DFE) reports new communications options for the SteadyWeb5 ...

WHQuiz Answer #12 -Web Tracking

(Web Handling)

February 22, 2012, WebHandlersQuiz 12: Web Tracking – In a vertical span, which will cause the web to track off center more, a roller tram or level error?  Answer... WebHandlersQuiz 12: Web Tracking – In a vertical span, ...

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

(Web Handling)

February 22, 2012, WebHandlersQuiz 15: Wrinkling – If a roller is deflecting into a bowed shape due to gravity, which direction is it best NOT to approach that roller if you don’t want to wrinkle: vertically from above, ...

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 ...

WHQuiz Answer #1 - The Right Tension

(Web Handling)

February 20, 2012, WebHandlersQuiz1: Tension Control - How do you determine the target web handling tension for a give product in units of force or force per width? Answer... WebHandlersQuiz1: Tension Control - How do ...

Tim's Web Lines Blog Starts NO

(Web Handling)

February 20, 2012, This month marks the 10th anniversary of Web Lines column by T.J. Walker. Beginning our second decade, we are moving beyond the monthly column to share web handling process knowledge via this blog.  I ...

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 ...

Webex Slitter/Rewinder Has Many Features

(News | New Products)

January 23, 2012, ... Webex incorporates a number of innovative, custom features designed to produce uniform, narrow width, 40-in.-dia rolls from multi-substrate films run at tensions as low as 0.5 PLI. A closed loop system ...

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 ...

Coating Matters | Down-Web Uniformity

(Coating/Laminating)

January 09, 2012, Sometimes there is a complex, multivariable solution to a coating defect and sometimes… If you'd like to hear from Mark Miller's own lips rather than read his column, titled "Coating Matters | Down-Web ...