Rolls & Rollers
Editor: Laura McCluskey -- Converting Magazine, 11/1/2001
Online: Go to www.convertingmagazine.com
Fax: Enter the corresponding product numbers into the Reader Reply Form in this issue. Fax it toll-free to 800/334-2812.
Phone: All Reader Reply items list telephone and fax numbers. Call suppliers directly and mention Converting.
Co. manufactures various rolls
Amalga Composites, Inc., 800/262-5424, fax: 414/453-9561, www.amalgacomposites.com
This co. manufactures filament-wound, lightweight and highly durable composite rollers, cores and shafts. These lightweight structures can minimize drag, scrap and breakage during web acceleration and deceleration, resulting in lower set up and operation costs. Common applications include printing press rollers, process rollers, idler rollers, blown film lines, laminating lines, paper and film machines.
Enter 400 or Inquire Online
Roll covers with heat-shrinking ability
Texloc, Ltd., 800/423-6551.
These new fluoroethylenepropylene (FEP) heat shrinkable roll covers are specifically engineered to extend roller life and eliminate roller buildup and picking. The unique properties of FEP include almost universal chemical resistance, zero moisture absorption and antistick/release surface. Etched roll covers and special adhesive systems are available upon request. Shrinkable covers of perfluoroalkoxy (PFA) are available for applications up to 500 deg F on special quotation.
Enter 402 or Inquire Online
Spreader roll system improved
Converter Accessory Corp., 800/433-2413, fax: 800/709-1007, www.converteraccessory.com
This co. has improved its patented WrinkleSTOP® and Multi-Adjust® WrinkleSTOP® no-bow expanding smooth surface spreader roll systems. Improvements include a new contoured disk design that aids in surface expansion and reduces unsupported space between disks. The WrinkleSTOP spreader roll holds better OD tolerance, offers a smoother surface than that found on earlier models, and includes a new clamping mechanism to improve roll life, says co. It also contributes to improved OD concentricity. Multi-Adjust WrinkleSTOP spreader rolls offer the standard benefits of WrinkleSTOP, but also feature a field serviceable design that allows backup sleeves to be stocked and changed on site.
Enter 403 or Inquire Online
Transducer with optional digital LED tension
Dover Flexo Electronics, Inc., 603/332-6150, fax: 603/332-3758, www.dfe.com
This co. releases the NWI narrow web tension transducer, a cantilevered, bearing-mounted idler roller with two built-in tension sensing elements. The NWI transducer is offered with an optional digital LED tension display to read out tension at the roll end. The transducer with indicator was designed for monitoring process tension on narrow web printing presses and converting machinery. The indicator option comes with its own 115/230Vac power supply. The power supply module includes a 0-10Vdc output with terminal block for wiring the output to a drive, PLC or other device.
Enter 409 or Inquire Online
Roll cover with high release
Menges Roller Co., 847/487-8877, fax: 847/487-8897, www.mengesroller.com
The new Endure roller covering is specially formulated for high release and durability. It is designed for the film lamination, cast- film extrusion and coating industries, as well as other applications that require a tough covering that combats ozone and heat. Endure combines the compound characteristics of EPDM - durability, strength, ozone resistance and silicone. This compound gives paper/film laminators the longevity and heat resistance needed for demanding thin or thick stock laminations. Endure can also be used in other applications where durability and release is needed such as embossing rolls, bag sealing rolls or web spreaders.
Enter 404 or Inquire Online
Custom designed rollers available
Rockford Roller Corp., 800/832-8784, fax: 815/282-0710, www.rockfordroller.com
This co. manufactures all roller types for original equipment manufacturers in the web converting industry. They design and manufacture all types of rollers—from dead-shaft idler rollers to live-shaft process rollers, hardened rollers, heated and cooling rollers.
Custom designs can be done to exact customer specifications.
Enter 401 or Inquire Online
Vacuum roll control without web marring
Webex, Inc., 920/729-6666, fax: 920/725-9992, www.webexinc.com
These vacuum rolls provide web control and support without marking or patterning the web material. A specially engineered double-helix grooved and drilled surface holds the web in all directions. The vacuum area on the arc of the roll surface can be specified from 30 to 180 deg. Adjustable vacuum roll models are also available with center, left or right justified vacuum fields that can be adjusted to varying web widths without the need to change vacuum rolls. Available in a variety of materials including steel, stainless steel and aluminum.
Enter 406 or Inquire Online
Spreader bars used in broad applications
Pearl Technologies, Inc., 315/365-3742, fax: 315/365-3433.
These spreader bars are used in broad applications to remove wrinkles from webs. These spreaders offer advantages that bowed rollers do not, and function at very low web tensions. The spreaders utilize an ultra-low friction, replaceable covering and are self cleaning. They work well with all films, foils, tissues, non-wovens, and fabrics.
Enter 408 or Inquire Online

















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