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Coextrusion: making the equipment fit the need

(Magazine)

June 30, 1996, ... In fact, he says, "a lot of people are not able to run them." Variables such as screw design, temperature, and shear can all adversely affect the finished film. If metallocenes are overheated, for example, ...

A rather narrow-minded view of wide web printing.

(Magazine)

May 31, 1996, ... According to Schwemin, the Vision has raised the bar on print quality. "We are confident we can provide demanding process printing that rivals rotogravure in quality." The ability to control all variables ...

Gravure gets easier

(Magazine)

April 30, 1996, ... roll combined with the appropriate solvent- or water-based ink. Available in widths of 6 in., 12 in., and 18 in., variable-circumference print-wheels from 11 to 24 in. are easily changed for different ...

Laser positioning system creates clean, productive environment

(Magazine)

April 30, 1996, ... coated papers for unique applications, thermal papers for variable bar code information, carbonless papers for business forms, and ticket and tag papers for the entertainment industry and retail stores. ...

Innovation is a winner in FPA competition

(Magazine)

March 31, 1996, ... of the holes is adjusted to meet the variable respiration rates of a variety of produce, a solution that extends the shelf life of prepackaged, precut produce for days, in some cases, for more than a week. ...

New hot stamper does more for short runs

(Magazine)

February 29, 1996, ... fully adjustable 6x8-in. steel role die-cut station, electronic reregistration, and electronic web-feed control with laminating for web widths to 7 in. and lengths to 10,000 ft. A variable-speed controller ...

Core selection - the difference between success and failure.

(Magazine)

January 31, 1996, ... cones, and tubes used for a variety of applications in the paper, film, converting, construction, and textile industries. Roll Surface Requirements The two key surface variables of a core are waviness ...

Don't forget your unwind

(Magazine)

January 31, 1996, ... shaft inspection and maintenance should be part of the manufacturing routine. Of all the variables that can affect the performance of your core shaft - such as roll weight, core diameter, and web speed ...

New measurement technology improves web control.

(Magazine)

January 31, 1996, ... quality of these signals as a measurement of web tension is a key variable in determining the effectiveness of the tension-stabilizing effort. If the signals are imprecise - or if load cells fail frequently ...

Flexo/screen proves to be a winning combination

(Magazine)

January 31, 1996, ... with the optional screen head, Topflight also operates a four-color, 7-in. Mark Andy 2200 with ion deposition capabilities for applications that require the printing of variable information. Presses utilizing ...

Brake and clutches improve to meet industry demands.

(Magazine)

December 31, 1995, ... control feedback response time." "The market is moving heavily toward electrically controlled machines," says Montalvo president Ed Montalvo. He predicts growth in DC regenerative braking, AC variable-speed ...

Examining trends in drives and motors

(Magazine)

December 31, 1995, ... of variable speed capability. Microprocessors Change the Picture All that changed with the advent of microprocessors. "To run an AC motor and control it from a speed and torque standpoint, you need ...

Measurement technique improves metallized PP

(Magazine)

November 30, 1995, ... not provide quantitative surface characterization data. Prior to that time, the metallized PP films being received exhibited oxygen transmission rates (OTR) that were quite variable and higher than desired. ...

Winders/Unwinders: Gettting Better Every Day

(Magazine)

August 31, 1995, ... a certain web, but when you switch webs all the variables change. "Ideally you'd have a computer program for each different kind of material and just punch in a code and let the machine do the rest," ...

Consider film cores when analyzing costs.

(Magazine)

July 31, 1995, ... is a major determinant in specifying the core's surface, it is a general rule that the thinner the film, the more defect-free the film core surface must be. The two key surface variables are waviness ...

Future of video inspection systems seems bright.

(Magazine)

June 30, 1995, ... for print quality. Charge-coupled-device systems, on the other hand, require operator involvement, thus supporting a quality and management philosophy that the operator is an integral part of a variable ...

Building quality into the web printing process

(Magazine)

April 30, 1995, ... among the many systems presently on the market, and many variables to consider when evaluating and comparing systems. Let s start with an overview of how video-inspection systems work. All video inspection ...

Consortium proves quality growth of flexo printing

(Magazine)

April 30, 1995, ... anilox, plate and substrate variables with print quality in order to improve overall quality and thereby expand flexographic printing opportunity. The quantitative relationship was examined because, ...

Company develops line of cost-saving packaging

(Magazine)

March 31, 1995, ... days. The film is then converted into sideweld handle bags and shipped to the diaper manufacturer who inserts compressed diapers and closes the bag with another heat seal. Other Variables Hargro' ...

Holograms continue to gain in converting applications.

(Magazine)

February 28, 1995, ...  at speeds that are far in excess of your own processing speeds," he said. "We are familiar with control of coating weights, color consistency of inks and many of the other variables that affect our ow ...