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- Web Lines | Why Bigger Cores?
- (Technical Reports)
- November 15, 2012, Bigger cores avoid many winding defects. Fewer layers mean less near-core pressure buildup and high-pressure defects. Bigger cores avoid many winding defects. I like to joke that the ideal wound roll ...
- Web Handling Q&A on Lateral Web Movement
- (Web Handling)
- October 18, 2012, ... now, and I have read many of your past articles on web handling, but my colleagues and I still have problems understanding lateral movement in a web. I am to believe a uniform web (i.e., no shape defects) ...
- WebHandlersQuiz #19: Advantages of a Nipped or Gap-Controlled Roller
- (Web Handling)
- September 30, 2012, ... materials. Winding gap rollers can reduce inter-layer slip in the top layer of a winding roller, discouraging the slip "knot" buckling defects. Winding nip rollers will reduce entrained air, especially ...
- Workshop on Nipped Systems & Laminating
- (Web Handling)
- September 04, 2012, ... variations, and uneven loading can all lead to undesired pressure distributions and a variety of defects. Understanding the root causes of these defects and their common remedies can quickly improve your ...
- Cerutti Adds QuadTech Register Control to its CAPS Make-Ready Capability
- (News | New Products)
- August 14, 2012, ... need to be minimized. This system will ensure that startup times are optimized and defects eliminated.” The Cerutti packaging gravure presses will use QuadTech’s Autotron 2600 register scanning heads ...
- 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 ...
- Coating | The Movement Toward Thinner Films and Coatings
- (Coating/Laminating)
- July 30, 2012, ... In addition, pinholes and defects can become more prevalent as there is less fluid to heal voids and hide contaminants. Enhanced web cleaning, liquid filtration, and air cleanliness can help maintain ...
- Coating Matters | Free Span Coating
- (Coating/Laminating)
- July 16, 2012, ... conformability to the precision roll. But with every new technique comes new opportunities. The coating defects associated with free span coating require a different set of process understanding tools ...
- The Scientific Approach to Coating
- (Coating/Laminating)
- June 12, 2012, Apply the scientific method to the fluid coating process to reduce defects, improve quality, and increase the financial bottom line. If you'd like to hear from Mark Miller's own lips rather than read ...
- Coating Matters | Plumbing Basics in Coating Technology
- (Coating/Laminating)
- April 30, 2012, ... coating technology expert? Air. One of the biggest defects seen in coated products is air. Air can be introduced through entrainment or entrapment. Air entrapment is when the air is trapped between the ...
- Release Liner | Industry Conference Covers Market Data & Trends
- (Label/Tape)
- April 11, 2012, ... over human inspectors, he showed, are considerable. Defects and irregularities are often invisible to the human eye, especially at high web speeds; human inspection cannot continue consistently for 24-hr ...
- AIMCAL: Tidland Gives Blades a ‘Sharper Image’
- (Film Mfg.)
- March 10, 2012, ... Equipment Ltd., Heywood, UK, received finalist status in the Metallizing Equipment/Accessories Category. The patent-pending unit measures optical density and detects coating defects on any transparent ...
- 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 | Blocking in Rolls
- (Web Handling)
- January 12, 2012, ... ridiculous ideal will reduce many, many winding defects. No one ever likes to hear this solution. They immediately assume that larger cores and shorter-length rolls will be a cost-prohibitive option, but ...
- Why do I have these bubbles in my finished product?
- (Tom’s Poly Ploys)
- January 02, 2012, ... anything for that matter), quality standards are established to determine acceptable levels of voids. Observing voids or other defects is usually straight-forward. Eliminating them can be more challenging. ...
- Slot Die Coating | The Pressure Is On
- (Adhesive Coating)
- December 01, 2011, ... apply coatings to substrates. To provide coatings without defects, dies must be positioned to form an ideal geometry between the substrate and the die lips. This can be accomplished with numerous coating ...
- Winding Film: How COF Properties Affect TNT
- (Winding Unwinding Rewinding)
- October 17, 2011, ... principles. The film’s layer-to-layer coefficient of friction (COF) properties have a major effect on the ability to apply the TNT principles to produce the desired roll hardness without roll defects. ...
- Webinars
- (Events)
- October 16, 2011, ... learn what vision systems are, what they are typically used for and common defects they might encounter in both surface and print applications. In addition, they will learn how using machine vision helps ...
- Inspection: Lighting the Way
- (Controls)
- August 21, 2011, ... food markets, inability to root out defects can have fatal consequences. Imagine missing a decimal point in dosage instructions or an all-important allergy warning. Now that packages feature information ...
- What the Coating Bead Can Tell You
- (Coating Matters)
- August 21, 2011, ... the air above the substrate can develop coating defects and reduce what would be a good adhesive effect. What you need to do is get up under the slot die and observe what is going on. With a good set ...