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- Webex Embossing Rolls Engineered for Control
- (News | New Products)
- January 01, 2013, Heat transfer software helps assure precise temperature control NEENAH, WI | Webex offers embossing rolls that are commonly machined or engraved to within 0.001-in. tolerances according to customer-specific ...
- 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. ...
- Web Lines | Measure Tension Wherever Possible
- (Web Handling)
- August 13, 2012, ... give out to help any process, they would be: Avoid nips Use bigger cores Measure tension The first two are about avoiding defects. The last one is about diagnosing your process. Direct measurement ...
- Maxson Delivery System Keeps Sheets Unmarked
- (News | New Products)
- July 04, 2012, ... the overlap area, rather than nip pressure. The resulting action prevents stress marks from the stop roller and delivery belts while ensuring sheet packets are conveyed trouble-free to the stacker. To ...
- Screen USA Media Day Has Busy Agenda
- (News | New Products)
- July 01, 2012, ... overseas subsidiary of Dainippon Screen Mfg. Co. The parent company, incorporated in 1943 with headquarters in Kyoto, Japan, was the outgrowth of a manufacturing concern going back to the mid-1800s. Screen ...
- Find Sources of Static Charging
- (Kelly on Static)
- March 18, 2012, ... 20 mC/m2 Lamination Nips : 10 mC/m2 - 20 mC/m2 Polymer Nip Rollers : 5 mC/m2 - 15 mC/m2 Bowed Rollers ...
- WHQuiz Answer #10 - Laminate Curl
- (Web Handling)
- February 22, 2012, WebHandlersQuiz 10: Laminating – If a two-layer laminate product curls to the top layer in the machine direction, which would reduce the curl: increase or decrease the top layer pre-laminate tension? ...
- WHQuiz Answer #11 - Intermediate Guiding
- (Web Handling)
- February 22, 2012, WebHandlersQuiz 11: Guiding - For automatic guiding in the middle of a process, which is preferred – A steering type guide or a displacement type guide? Answer... WebHandlersQuiz 11: Guiding - For ...
- 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 ...
- Web Lines | Test Your Web Handling Knowledge
- (Web Handling)
- February 14, 2012, ... rollers in a process likely will have the larger diameter? 8. Traction—When is a nipped roller needed on a driven roller separating two tension zones? 9. Nipped Rollers—What is a simple measurement ...
- Static Beat | Side Matters
- (Static-Beat)
- February 07, 2012, ... a “hot roll.” Look at the good performance of the tinsel in Figure 1. The 1-mil (25-m) biaxially oriented polypropylene (BOPP) web has no static before it touches the polymer nip roller. Exiting the ...
- Web Handling Workshops from TJWA & Optimation
- (News | New Products)
- January 26, 2012, ... of what is web handling, get your questions answered. • Nipped Systems and Laminating—September 11-12. Understand how to create uniform pressure, wrinkle-free nipping systems and curl-free laminates. ...
- Static Beat | How To Eliminate Hot Rolls
- (Static-Beat)
- January 16, 2012, ... extrusion process. So, extruders usually are not a significant source of static charge. 2. Haul-Off Nip | The haul-off nip compresses the cylindrical tube into a two-layer web. The nip is usually a movable ...
- Web Lines | A Rant from Tim Walker
- (Web Handling)
- December 04, 2011, ... tractor. That’s why the dashboard reads miles per hour. But, my dear equipment supplier, when you get out of your car and get to the office or shop floor and build your winder, slitter, or nipped process, ...
- Static Beat: Beat Winter Static
- (Static-Beat)
- November 22, 2011, ... polymer surfaces on drive, nip, cleaning, spreader, and lay-on rollers often are sources of sparks because static can accumulate on the surfaces of these rollers. To prevent these sparks, clean these rollers ...
- Web Lines: Take the Laminator Quiz
- (Coating/Laminating)
- October 16, 2011, ... my ideals, take the following quiz. For each Yes answer, award your laminator the points for that question. 1. Is your nip guarded and accident free? Yes = 20 pts. 2. Is your nip entry point well-lit ...
- Web Handling: Top 7 Causes of Wrinkles
- (Web Handling)
- October 09, 2011, ... wrap (usually stated in terms such as 10 o’clock to 3 o’clock), web tension (PLI), any nip load (PLI), web width, and maximum expected line speed. A good supplier will walk you through these questions ...