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- Coating Matters | Down-Web Uniformity
- (Coating/Laminating)
- January 09, 2012, ... Tracking the web speed will identify repeat variations and sinusoidal down-web issues. What is the main difference between roll coating and pre-metered coating, such as slot die? This is when I put down ...
- Coating Matters: Open Up the Coating Process Window
- (Coating/Laminating)
- April 30, 2011, ... you need to understand the critical processes that control your system. In slot die coating, the variables that can pry open the window (or slam it shut) are the slot die attack angle, the slot die-to-substrate ...
- Coating Matters: Defects | Finding the Cause
- (Coating/Laminating)
- December 31, 2010, ... company has been slot die coating a polyester substrate with a 50% solids fluid at room temperature. Unfortunately, a third of the coated web is scrap due to a consistent streak being coated in the machine ...
- Trends in technology
- (Coating/Laminating)
- April 30, 2010, ... techniques to monitor gap continuously will be developed and will be used for control loop. Fundamental engineering studies will be needed to define key process parameters for both thin liquids and 100% ...
- Plasma Power
- (Archive)
- April 30, 2009, ... is created between a precise air gap between the system dielectrics: the electrodes and ground roll. When air is exposed to different voltages, an electrical discharge develops. Voltage is applied to the ...
- Web Coating: Process Characterization
- (Coating/Laminating)
- October 31, 2008, ... a slot die coater, these are the specific variables to be characterized: Gap between slide lip and coating roll; Vacuum box vacuum level and clearance; Flow rate to slot die; Solution and applicator ...
- Winding: What We Know & What We Don't Kno
- (Winding Unwinding Rewinding)
- July 31, 2008, ... The effect of nip position — above, below, after initial contact — is a little muddier, including the many perturbations of two-drum surface winding. For post-slitting winding, we have a good handle ...
- Dyne Levels Part 2
- (Process Management)
- June 30, 2008, ... state. Ozone is generated during the process. It consists of a high-voltage electrical discharge across a fixed air gap between an electrode and a dielectric, usually a roller for web treatment applications. ...
- the PLACE
- (Magazine)
- July 31, 2007, Characteristics of flexible food packaging materials; new studies toward understanding adhesion of polyolefins to primed substrates; the effect of calcium carbonate concentrate base resin melt index on ...
- the PLACE
- (Magazine)
- December 31, 2006, ... daily in these commodity markets are making the opportunities offered by new resins, new technologies, and on a smaller scale novel non-polar process aids all the more exciting. Case studies presented ...
- the PLACE
- (Magazine)
- November 30, 2006, ... specifically for PP, a high pressure die, and a dual lip air ring should be considered. Significant shelf appeal improvements are possible when using clarifiers. A clarified random copolymer readout ...
- Converting Industry News
- (Magazine)
- September 30, 2006, ... which is equipped with the Filmatic M winder, is the first W&H new-generation cast film line to be installed in North America. With additional die feed block technology, it is capable of extruding up to ...
- A Communication from the PLACE Div. of TAPPI
- (Magazine)
- April 29, 2006, Influence of electron beam on some polymeric substrates used in flexible packaging; polymer processing additives and melt fracture in blown film, die geomotry considerations; adding oxygen barrier to laminating ...
- New Products
- (Magazine)
- April 29, 2006, ... formed to thicknesses of 0.0020–0.0050 in. as needed. “Sacrificial layer” allows roll to be machined with grooves or other surface modifications to exacting tolerances. Die-Cutter Cuts Downtime ...
- 2004 RFID What's New
- (Archive)
- February 26, 2006, ... and a dielectric, Xerox reports. The CMOS (complementary metal-oxide semiconductor) technology used to build most chips today is expensive and requires a solid base such as silicon to manufacture circuits. ...
- A Communication from the PLACE Div. of TAPPI
- (Magazine)
- January 30, 2006, ... to appear rough with diminished physical and optical properties. Typically, melt fracture occurs when polymer melt is forced to flow through narrow die chambers at elevated shear stress levels. Traditionally ...
- New Products
- (Magazine)
- November 29, 2005, ... of pre-cut patches onto a continuously moving web. High-speed technology features vibration-free design said to prolong cutting blade or die service life significantly. Pre-calibrated cutting pressure ...
- Converting Rx for Bowed Rollers
- (Web Lines)
- October 30, 2005, ... can be dialed in from straight to slightly bowed to strongly bowed. Why should bowed rollers require a prescription? Bowed rollers are strong medicine and thus should be prescribed for specific maladies ...
- More of the 411 on RFID
- (Archive)
- August 30, 2005, ... solutions providers. The United States Navy, which has field tested ScenPro’s RFID-based Tactical Medical Coordination System (TacMedCS) to track the status and location of wounded soldiers and others ...
- New Products
- (Magazine)
- August 30, 2005, ... Valco Cincinnati, Takk Industries, Kurz Transfer Products, Omet, Mario Cotta, Extrusion Dies Industries, Vishay Intertechnology. Machinery, Accessories, Services Laminate ...
