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Montalvo Offers Multi-Zone Tension Indicator

(News | New Products)

May 18, 2013, The i4-HD is available in both an analog and a digital configuration, is said to provide accurate and repeatable web tension   GORHAM, ME | The Montalvo Corp. has developed the i4-HD multi-zone tension ...

Web Lines | Winding Process Fundamentals, Pt. 3

(Web Handling)

May 08, 2013, In Part 3 of this four-part series, web handling expert Tim Walker answers the question: How do dimensional changes within a roll (e.g., compression) change roll strains and stresses? In Part 3 of ...

Tim Walker Seminar to Cover Web Handling Basics

(News | New Products)

April 12, 2013, Columnist will offer tools to diagnose and remedy defects such as tension variations, bagginess, curl, scratches, misalignment, and wrinkling   ST. PAUL, MN | Tim Walker, PFFC “Web Lines” columnist, ...

REM Mfg. Slitter Processes Narrow Webs

(Narrow Web)

April 07, 2013, ... said to well suited for razor, score, or shear slitting narrow webs from 12–24 in. wide.  Slitter, which reportedly is capable of converting a multitude of materials, features automatic minimum gap and ...

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 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 ...