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Coating Matters | Down-Web Uniformity

(Coating/Laminating)

January 09, 2012, ... variation across the web. Most coating enthusiasts are familiar with the factors for cross-web coat weight control: Coating system geometry Web speed Roll speed Web tension Rheology of the ...

Schober’s Embossing System Protects and Enhances Packages

(Embossing)

January 05, 2012, ... with minimal waste. Sealing segments are individually adjustable in radial and axial directions. Every roll has individual tension control through dancer/unwind brake system. A foil saver feeding system ...

U-Series Load Cells from Montalvo Are Tough and Precise

(Controls)

December 20, 2011, Simplify tension control with U-Series load cells, offering precision, reliability, easy installation, and built-in overload stops GORHAM, ME | The Montalvo Corp. announces its U-Series load cells. ...

Slitting/Rewinding: Converplast To Add Two Titan Models

(News | New Products)

December 07, 2011, ... braking system provides accurate web tension control, and a digital edge-guide system controls lateral movement of the unwind roll to +/- 50 mm (2 in.). Slitting systems available include shear knives, ...

Web Lines | A Rant from Tim Walker

(Web Handling)

December 04, 2011, ... control panel with pressure gauges and motor currents. That is so 1970s. When I ordered the equipment, we talked about my winding tensions in force and nipped processes in terms of nip load (pounds or ...

Static Beat: Beat Winter Static

(Static-Beat)

November 22, 2011, ... is no higher than necessary. Maintain film tensions within the range for good conveyance to minimize static. If the tension is too high, the contact pressure between the film and roller surfaces is higher ...

Release Liner Market: Growth Projected, but Threats Remain

(Label/Tape)

November 10, 2011, ... release base. Wherever they are used, PET film liners are now thinner than ever, and they present practical challenges for press minders in many areas, including die-cutting, web tensioning (http://pffc-online.com/web_handling/tension/), ...

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 Lines: Take the Laminator Quiz

(Coating/Laminating)

October 16, 2011, ... and easily viewable? 3 pts. 3. Do you control pre-laminating tensions of input webs to match elastic strains? 10 pts. 4. Do you control downstream tension to a set point nearly equal to the sum of ...

Web Handling: Top 7 Causes of Wrinkles

(Web Handling)

October 09, 2011, ... due to vibration, improper machine or roller maintenance, tension over time, or in colder climates, even freeze-thaw conditions that can shift plant floors. Poor alignment between rollers ultimately ...

Plotting Shear Wrinkles

(Web Lines)

August 21, 2011, ... can be a great starting point (and you don’t need a fast computer or advance modeling aptitude). For the single span shear wrinkle test, you need the following: 1) A web line where you know web tension ...

Pet Food Packaging: Evolution, Revolution & Innovation

(Flexpack)

August 18, 2011, ... thrust of the marketing message for both is freshness and nutrition retention compared to canned pet food and higher protein content than dry foods. The extension of a familiar food packaging technology ...

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.  ...

NEWS CLIPS

(Magazine)

July 31, 2011, ... Oberösterreichische Nachrichten, the daily newspaper in Upper Austria. The Montalvo Corp., Gorham, ME, offers a free data sheet for the new S4 Digital Tension Controller, including photos, working ...

EVENTS

(Magazine)

July 31, 2011, ...  20 | Flexographic Printing Seminar, Flint Group Flexographic Products, Radisson Paper Valley Hotel, Appleton, WI; This email address is being protected from spambots. You need JavaScript enabled to view it. 20-21 | Tension Control Workshop, TJWalker+Assoc. ...

Best Papers Named At IWEB Conference

(Web Handling)

July 31, 2011, ... Emral Ltd., for “Web Tension Variations Caused by Temperature Changes and Slip-On Rollers” Jerry Brown, Essex Sysems USA, for “The Use of Conservation of Mass in Modeling Lateral Behavior in Moving Webs” ...

Web Lines: Wrinkling of Foils

(Flexpack)

July 31, 2011, ... buckle, so they need high web-roller friction (from friction, tension, and width) to apply the load needed to make a wrinkle. The stiffness of foils means that misalignment effects quickly create large ...

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 ...

Surface Energy Matchmaking

(Coating/Laminating)

July 31, 2011, ... information for both the fluid and the substrate. The manufacturer typically provides this in the product literature, or a test facility can determine the fluid surface tension. For the substrate, dyne ...