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Getting Off to a Smooth Start with a New Coater

(Archive)

December 31, 1999, ... down to other sizes. Auxiliary equipment includes a Printco one-color flexo press that can print and/or coat either side of the substrate in-line. Davis-Standard Egan supplied the unwind. CEI inputs ...

Static electricity can be a very costly problem

(Magazine)

August 31, 1998, ... charge can be eliminated at the unwind, but, due to friction downstream, static can rebuild. Where the ionizing system is placed is critical for efficient operation, as is the maintenance of the system. ...

Finding a simple solution to a shocking problem

(Magazine)

March 31, 1998, ... that converting machinery will not work as designed when static is present. "The film has a tendency to stick together and resist unwinding. Our customers use the film we manufacture for all sorts of applications, ...

Bag machine adds value to customer-oriented operation.

(Magazine)

November 30, 1996, ... to dual lane changes, and minimum motor maintenance. An improved unwind V-board design maximizes the usable machine width for two-lane production through close positioning of the V-board tips. By utilizing ...

NOVA and Union Carbide to build ethylene plant

(Magazine)

October 31, 1996, ... pancakes on two pairs of rewind shafts. This highly polished slippery stock requires sensitive control throughout the conversion process. The slitter features a fully driven unwind fitted with an automatic ...

Flexible packaging converter treats its customers right.

(Magazine)

October 31, 1996, ... the primary unwind or the secondary unwind position, and the treater is able to be incorporated into the line without causing a slowing of the line speed. Ramseur says, "Flex-Pak's strong-competitive ...

Gauging system lights the way

(Magazine)

August 31, 1996, ... substrates are fed from an unwind stand, and the coatings are metered onto the polyester as it moves past the coating head. Each substrate also receives a conductive bus, where a mechanical termination ...

Pressure-sensitive line utilizes all-vector drive system

(Magazine)

June 30, 1996, ... full roll-to-roll splicing on the unwinds, and automatic roll-to-roll transfer on the winder. "Previously, DC drives were required on machines such as this because of torque requirements at lower speeds, ...

Web-guiding systems are tailored to your applications

(Magazine)

May 31, 1996, ... and web positioning. Hydraulic web-positioning systems are strong enough to move heavy loads, such as shiftable unwind and rewind stands. They are rugged systems which, if regularly maintained, can last ...

A rather narrow-minded view of wide web printing.

(Magazine)

May 31, 1996, ... along with precision micrometer adjustment of plate/anilox impression and side and circumferential registration. Unwind and rewind features include electronic guides, and closed-loop tension control ...

Paper characteristics: starting the job right

(Magazine)

April 30, 1996, ... process. Web-fed jobs, in particular, must be strong enough to withstand the stress of unwind and rewind operations. Therefore, uniform strength is necessary across and along the substrate. Paper strength, ...

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 ...

Core selection - the difference between success and failure.

(Magazine)

January 31, 1996, ... notion of the core as a commodity item," says Pleune. "Failure of the core to perform properly during winding, transportation, or unwinding can jeopardize thousands of dollars worth of product. This may ...

Video web inspection: the view from the press floor.

(Magazine)

September 30, 1995, ...  Andy 4200 was recently installed," says Harrington. "The difference, though, is that this one has two unwinds. We plan to produce coupon labels on it, two-wide as opposed to the single wide runs we're currentl ...

Tissue converter accrues benefits of AC servo drives

(Magazine)

September 30, 1995, ... is a rear unwind stand that can handle up to 108-in. parent rolls. It is driven by a surface belt through a gearbox by a 3,000-rpm Indramat digital AC servomotor with a 100-amp amplifier. To keep the proper ...

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

(Magazine)

August 31, 1995, ...  happening in web handling today. The Web Handling Research Center was opened in 1986 and is reportedly the only center of its type in the world. Studies are conducted in the mechanics of winding and unwinding ...

Retrofit brings older sheeters back to life.

(Magazine)

August 31, 1995, ... addition of good chucks and pneumatic disc brakes on the unwind stand is essential to improving web tension control. Flat sheets are becoming much more critical with new high-speed, sheet-fed presses. ...

Bagmakers add a strong link to quality chain

(Magazine)

July 31, 1995, ... machines provide the "degree of control needed" for the widths, gauges and thicknesses Sengewald USA is running. "We can fold without stretching." A power-driven unwind (available from Amplas as an option) ...

Consider film cores when analyzing costs.

(Magazine)

July 31, 1995, ... a fraction of the value of the completed roll of film. While it is often overlooked, if the film core fails to perform properly during winding, transporting or unwinding, it can jeopardize thousands of ...

Winding system suited for long lengths

(Magazine)

February 28, 1995, ... cantilevered unwind with programmable constant tension, auto edge guide and pneumatic peel-off lay-on roll; entry and exit s-wrap pull rolls with adjustable draw control, auxiliary web rewind for unslit ...