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RG engineering Inc. Auto Lap Unwind
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Cantilever Presses   The RG cantilevered press represents the culmination of over a decade of manufacturing flexo presses, wax coaters, differential coaters, gravure stations and a broad variety of custom processing equipment. The result is a very simple versatile print station that embraces the latest direct drive servo technology to provide a rapid production solution to the modern short run converter. Production Video Read the Full Story
Auto Lap Unwind
The Auto Lap Unwind consists of two standard stacked RG unwinds with individual Vector drives and dancer tension control. An infeed drive and web reference roller control the festoon motion while a common splicing station cuts and nips the web from one roll to the other.
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Auto Lap Unwind


The Auto Lap Unwind consists of two standard stacked RG unwinds with individual Vector drives and dancer tension control. An infeed drive and web reference roller control the festoon motion while a common splicing station cuts and nips the web from one roll to the other.

A central controller monitors roll size, web speed, web caliper, festoon and dancer positions as well as operator settings for auto roll stop and web tension. This information is provided to the operator in a touch screen at the operator control panel. The unwind is described in three groups; the unwinds, the splicer, and the festoon.

  • Auto Clamps: The shafts are held in place with an automatic shaft clamp that is pnuematicly operated and cams over for a fail safe lock. The air cylinders are built with a magnetic pick up for feedback to the PLC.
  • Sidelay: The unwind motor is mounted on a sub frame assembley that rides on three linear bearings for 4” of total sidelay travel. The frame is moved with a screw through a hollow shaft gearbox. The sidelay feature is available with a manual handle, electric slo-syn motor, or servo motor positioning.
  • Dancer: The unwind tension from the feed station to the master roll is controlled with air pressure on the dancer air cylinders. Two air cylinders are fed 0-90 psi air from an electro pneumatic valve. The dancer air pressure is selected in the touch screen and modified during splicing to reduce web breaks.

 


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  • Pass through festoon: The 15 roller festoon accumulates aproxamatly 120’ of web in a stacked three pass design. When the festoon is in the lowest position limit the carriage idlers pass through the fixed idlers to allow the web to be passed through the gaps and sew it’s self up once the carriage is lifted.

Contact Info

  • RG engineering Inc.
  • 505 London Bridge Rd.,
  • Virginia Beach, VA, 23454, USA
  • Tel: (757) 463-3045

Full Time Controls Engineer Needed

Controls Engineer in Virginia Beach, Virginia, to set up, test, install and maintain flexographic presses, winders, coaters, converting and R&D equipment. Also required to train staff on installed equipment. Travel required approximately 25% of the time, with the most frequent location abroad being Mexico. Travel periods usually last around two weeks. Must have 2 years experience and bachelors degree in engineering and strong B&R programming skills. Email resume and job history to Lisa Bruner at lisa@rgengineering.com .

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