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- WHQuiz Answer #5 - Draw Control Pros/Cons
- (Web Handling)
- February 22, 2012, ... webs. Draw control is dependent on relative surface speeds of input and output rollers, making them sensitive to roller wear. If speed ratios are set too high, microslip will occur. Draw control has ...
- 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, ... roller that does NOT have a rubber surface. 17. Winding—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? 18. Winding—If ...
- Webex Slitter/Rewinder Has Many Features
- (News | New Products)
- January 23, 2012, The REM Model 15000 center-surface slitter/rewinder produces uniform rolls with consistent winding pressures and tensions NEENAH, WI | The latest REM Model 15000 center-surface slitter/rewinder from ...
- Slitting/Rewinding | Arkwright Improves Output with Shaft Upgrade
- (Slit)
- January 17, 2012, ... with Goldenrod Model 1250-DFB 6-in. dia differential shafts. The patented Series 1250 DFB shafts utilize surface roller bearings that minimize drag. They are an excellent choice for low tension applications ...
- Static Beat | How To Eliminate Hot Rolls
- (Static-Beat)
- January 16, 2012, ... string or static bar should be positioned just after the haul-off nip to neutralize static on the surface that touched the polymer nip roller. 3. Corona Discharge Treatment | Corona discharge treatment ...
- Web Lines | Blocking in Rolls
- (Web Handling)
- January 12, 2012, ... in products that are smooth. High surface roughness on either a micro or macro level will reduce blocking. In polyester films, micro-roughness is intentionally engineered into the film, typically by adding ...
- Coating Matters | Down-Web Uniformity
- (Coating/Laminating)
- January 09, 2012, ... for the next production run go unverified. Okay, now I’ll step off the soapbox. So when it comes to precision roll-to-roll coating, make sure the manufacturing precision is high for the surfaces the ...
- Static Beat: Beat Winter Static
- (Static-Beat)
- November 22, 2011, ... to use a soft brush to clean the pin tips. Replace inexpensive static brushes, tinsel, and ionizing strings at least annually. Measure the gap from each neutralizer to the film surface. Manufacturers ...
- Release Liner Market: Growth Projected, but Threats Remain
- (Label/Tape)
- November 10, 2011, ... ghosting, embossing (search?searchword=embossing&ord=d&cat=), and static electricity (http://pffc-online.com/surface_prep/static_elimination/). CCL’s opinion is that PET liners are indeed the future, ...
- Winding Film: How COF Properties Affect TNT
- (Winding Unwinding Rewinding)
- October 17, 2011, Your ability to apply tension/nip/torque winding principles to produce the desired roll hardness is affected by the film’s layer-to-layer coefficient of friction properties Your ability to apply tension/nip/torque ...
- Martin Automatic Signs New Rep in Middle East and North Africa
- (News | New Products)
- October 17, 2011, Martin Automatic Inc. has signed a cooperation agreement with XOL Automation to distribute Martin’s automatic splicing, rewinding, and tension control equipment. ROCKFORD, IL | Martin Automatic Inc. ...
- Web Handling: Top 7 Causes of Wrinkles
- (Web Handling)
- October 09, 2011, ... and/or manufacture of the roll, from excessive surface wear or from inadequate roll specifications. 3. Poor Web Quality Poor web quality such as gauge variation or poorly wound parent rolls can cause ...
- Pet Food Packaging: Evolution, Revolution & Innovation
- (Flexpack)
- August 18, 2011, ... to a variety of papers or films and is compatible with pre-made bag production and filling technology. Sewn ends are most prevalent. Continue on Page 2 Laminations of reverse- or surface-printed ...
- Nip Rolls Suited For Many Uses
- (Web Handling)
- July 31, 2011, ... applications, feature a variety of surface finishes and coverings. Company says each roll is custom engineered for exacting performance, from low-tension applications to those with extreme nip loads. ...
- Static Beat: Why Static Is Worse at High Speeds
- (Static Elimination)
- July 31, 2011, ... materials, surface roughness, contact pressure, and slip. Slip increases as the film speed increases. In Figure 1, the film tension difference across the roller is caused by bearing drag. This tension ...
- Web Lines: Is Wound Roll Pressure Greater Than Tire Pressure?
- (Tension)
- June 30, 2011, ... a roll. Stiffer films, like polyethylene terephthalate (PET), can be all over the map, depending on their thickness, surface roughness, and winding tensions/methods, but 50-500 psi might be expected at ...
- Do You Want Nips with That? Part 2
- (Winding Unwinding Rewinding)
- April 30, 2011, ... roller is air lubrication. You may measure web-to-roller COF as 0.3 or 0.6, but the true coefficient of traction (COT) may drop when entrained air exceeds the combined surface roughness of web and roller. ...
- Narrow Web & Label Reporter
- (Narrow Web)
- April 30, 2011, ... the wine, champagne, and spirits category of the Pentawards this year. Glenroy Inc., Menomonee Falls, WI, launches ExpressWeb, formerly known as the Narrow Web Printer's Program, to provide surface ...
- Roll Finishing-Cut & Sand
- (Winding Unwinding Rewinding)
- April 30, 2011, ... and offers converters a quick and efficient method of finishing the roll to the standards required by the customer. The system reportedly allows the robots to address all roll sizes and unfinished surfaces ...