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Green Bay gears up for specialty labels

(Magazine)

May 31, 1996, ... stainless steel convection oven is continuously monitored for web tension and temperature, so sensitive films won't be overheated and stretched. The machine runs at speeds to 500 fpm and has a web width ...

Gravure gets easier

(Magazine)

April 30, 1996, ...  Doctor Blade Offers a New Angle Angle Blade Co. has developed a doctor blade design for gravure applications that offers spring load tension and high angle contact. This allows the printer and converter ...

Paper characteristics: starting the job right

(Magazine)

April 30, 1996, ... along the web path between printing units. Another problem that can cause misregistration is the tension variation between rolls of paper. Other factors that contribute to print quality include smoothness, ...

In-house sheeting promotes growth and quality

(Magazine)

February 29, 1996, ... the sheetlength is set via keypad entry. The sheeter features auto tension control and auto squareness. "The dual motor drive is one way in which the MSL offers ease of operation," says Ray. "The nature ...

Custom coating operation is a clean winner

(Magazine)

February 29, 1996, ... of unwind and rewind sections, two in-line tension controls, three web cleaners, one corona treater for enhanced laydown, and five ovens for precise drying. The system is capable of combining two web paths ...

Deciphering the complexities of the core/shaft/unwind relationship.

(Magazine)

January 31, 1996, ... problem being the ability to grip the core material." Additionally, fiber cores need to be strong enough to transmit the torque required to maintain tension control without crumbling. When examining ...

Core selection - the difference between success and failure.

(Magazine)

January 31, 1996, ... for uniform winding tensions, to prevent wrinkling, and to ensure smooth running on unwinding reel stands. * Uncontrolled core moisture during manufacturing may result in core shrinkage, which can cause ...

Don't forget your unwind

(Magazine)

January 31, 1996, ... of the unwind and rewind," says Rodemich. Just as the type of material to be processed dictates the physical size of the unwind, it also dictates the tension control and/or the braking aspects of the ...

Flexo/screen proves to be a winning combination

(Magazine)

January 31, 1996, ... Even films as thin as 1 mil can be controlled through multiple printing and converting-with tight register and minimal waste-by using light-tension features and chilled drums built into the Mark Andy "FP" ...

Fresh produce offers converters opportunities for healthy sales

(Magazine)

December 31, 1995, ... respiration rates of various forms of produce and understand the role of temperature control in shelf life extension. An excellent introductory book on fresh produce respiration technology and how these ...

Brake and clutches improve to meet industry demands.

(Magazine)

December 31, 1995, Brakes and clutches for tension control are available in many configurations for virtually every converting application. Like all parts of the industry, Brakes and clutches for tension control are available ...

Examining trends in drives and motors

(Magazine)

December 31, 1995, ... electronics. Speed is dependent on voltage, and torque is dependent on current; it's a linear proportion. "It's a simple unit, and, in most process controls where precise tension control is required, it can ...

Tissue converter accrues benefits of AC servo drives

(Magazine)

September 30, 1995, ... tension on the tissue paper, an analog proximity sensor located at the unwind dancer signals the Indramat CLC motion controller to "trim" the tension and feed rate of the tissue paper. At axis two, the ...

Doctor blades are the right Rx for gravure

(Magazine)

September 30, 1995, A new doctor blade design, offering spring load tension and high contact angle, reportedly makes the quality printing afforded by gravure even better.The A new doctor blade design, offering spring load ...

Winders/Unwinders: Gettting Better Every Day

(Magazine)

August 31, 1995, ... better cores; more tractable tension control; improved breaking; and increases in speed. Shelton would like to see the development of inexpensive sensors to aid in the measurement of tension. If you ...

Training is the key to success in '90s corporate climb.

(Magazine)

August 31, 1995, ... longitudinal dynamics and tension control; lateral dynamics and control; out-of-plane dynamics; wrinkling; measurement of tension and wound roll stress; and a variety of special topics such as air films ...

Retrofit brings older sheeters back to life.

(Magazine)

August 31, 1995, ... possible cut accuracy without proper web tension control. Either a load cell or swing arm dancer can provide web tension, the latter being preferred because it will compensate for egg-shaped rolls. The ...

Bagmakers add a strong link to quality chain

(Magazine)

July 31, 1995, ... is an important feature, says Markham. "It provides the tension control that we need without the drag from brakes." Markham adds that their printing presses have sophisticated unwind and tension control ...