July 2006 |
FEATURES
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USNR Ring Debarkers: One is right for you USNR manufactures three types of ring debarkers that are fully customizable to fit a mill’s specific needs. USNR debarkers can be designed with single, double or triple rotor configurations to accommodate various log diameters and feed speeds. One of these rugged and reliable machines is right for almost any application. The popular Cambio design was originated in Sweden in the 1950’s and Kockums and Forano (now part of USNR) were granted licenses to manufacture and sell this type of debarker in North America. USNR has continued to develop the Cambio debarker, dramatically improving its performance over the years. USNR also has two other debarker models: the MV Debarker, a modular, high performance machine derived from the original Cambio technology; and the HS-Series High-Speed Debarker, designed to meet the needs of high production mills. USNR Cambio Ring Debarker The USNR Cambio Debarker is designed and built to stand up to the rigors of high-volume production. Cambio debarkers are reliable for logs as small as 6 ft in length and 2” in diameter, and for logs up to 30” in diameter, depending on the model. USNR offers a complete line of new and rebuilt rotors for Cambio-type debarkers. These heavy duty rotors provide increased flexibility and can accommodate a variety of tool tips and tool tensioning systems. Air-Bag Tensioning (orange) controls tool positioning and cushioning by adjusting air pressure in rotor mounted air bags. Spider Tensioning (yellow) is the most economical, using industrial rubber bands to maintain tool contact with the log. Hydraulic Tensioning (red) combines industrial rubber bands and hydraulic cylinders to maintain and control tool contact with the log.
USNR MV Ring Debarker The Cambio-derived MV Debarker provides better debarking quality than a standard Cambio because the unit includes dual sets of infeed and outfeed rolls to maintain a better hold on the log. The feedrolls also improve centering of the log, so it is more stable as it passes through the rotor. The MV Debarker uses a Cambio style rotor and can be configured with multiple rotors to achieve a balance between desired feed speed and debarking quality. USNR also offers the option of air seal rotors for remote control of tool pressure according to log diameter. Double rotor configurations on the MV Debarker can be either inline or side by side. In general, a double rotor with an inline configuration significantly increases debarking quality and permits operation at higher feed speeds because both sets of tools are simultaneously engaged. A double rotor inline configuration is often used where the wood chip bark content is critical. This configuration also provides good results in dry or burnt wood applications. A side by side configuration can use either the same or different rotor sizes. Using a side by side configuration with the same rotor size permits maintenance on one rotor while the other is running. Using different rotor sizes in a side by side configuration is particularly useful for mills that process a wide range of log diameters because they can use one rotor or the other depending on the size of the log. USNR HS-Series Ring Debarker Specifically made for high feed rate applications, the HS-Series Debarker is designed to withstand the abuse of today’s high-speed operations. It features a solid double-box ‘S’-shaped structure to resist torsional strain, reducing vibration and improving fatigue resistance.
An infeed scanner provides log diameter information. The first set of feedrolls are pre-opened, and then closed on the log. All other feedrolls are sequenced by the PLC via photocells. On the air-sealed rotor, tool opening and pressure are remotely controlled via PLC according to the log diameter. The result is extremely high quality debarking at a higher feed rate. Like the MV, the HS-Series rotor module slides out of the machine for maintenance and quick and easy tool changes. Large panels give complete access to other components while protecting components from debris. |
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WELCOME NEW EMPLOYEE Bob Pope is the newest Account Representative for USNR’s Dry Kiln division, covering a territory in the Northeastern United States and Eastern Canada. Bob originally came to work for USNR in 1979 when it was still known as Irvington-Moore. Bob held numerous positions with increasing responsibilities at the Jacksonville facility in engineering, manufacturing and sales. In 1986, he moved to Vermont to take over the Northeast US sales territory. In 1999, he left USNR to work for a moisture meter company and later became a nationally recognized agent and Chartered Financial Consultant with New York Life. After an absence of seven years Bob has returned to work for USNR. It’s true – the sawdust in your blood never goes away. A native of New England, Bob holds a B.S. in Wood Science & Technology from the University of Massachusetts at Amherst and a Master of Business Administration from the University of North Florida. In addition, he has received several advanced degrees from The American College including Chartered Life Underwriter, Chartered Financial Consultant, and Chartered Advisor for Senior Living. Prior to joining USNR, Bob worked as a yard supervisor for a major furniture manufacturing company. Bob has received the prestigious Life Member award from the New England Kiln Drying Association where he has served as President and is currently serving as Treasurer. He has taught at numerous Kiln drying workshops in the Northeast US and in Eastern Canada and has also spoken at various regional kiln club meetings. Bob and his wife Karen have been married for over 25 years, and together they have three children, Megan, Meredith, and Melissa. He can be reached at (802) 229-5677 or bob.pope@usnr.com.
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PRODUCT FEATURE
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Chip-N-Saw Conversions Back in the 1960’s the Chip-N-Saw revolutionized the forest products industry. At USNR today, we’re keeping history alive with upgrades and conversions that keep your C-N-S running faster and more efficiently than ever. Conversions for increased speed and accuracy: USNR offers a number of C-N-S conversions including Quad Spike Rolls, True Flow Knives, Top and Side Head Round Slideways and Precision Vee-Flat Flighted Chain Upgrades. In our last issue we explored the benefits of Vee-Flat flighted chain. In this issue we're looking at the advantages of the Quad Spike Roll Upgrade. Quad Spike Rolls Upgrade:
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NEW PROJECTS
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Deltic Timber recently placed an order for an auto-stickering system for an existing stacker at its Waldo, AR facility. The order also includes a stick/cross out system. Douglas County Forest Products purchased a new USNR Trimmer system with controls for its plant in Roseburg, OR. The mill also uses a USNR Quad Roll Log Turner and sharp chain system with autorotation to process its main log diet of Douglas Fir, Hemlock, Engleman Spruce and Lodge Pole Pine. Groupe Savoie of Saint Quentin, NB purchased a new USNR 8’x12’ Super Chipscreen complete with a 70” cyclone and ductwork.
North Florida Lumber ordered a USNR High-Speed package maker for its mill in Bristol, FL. Pike Lumber purchased two complete USNR 3D LASAR carriage optimizer systems for its mill |
EVENT CALENDAR
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August 23-26 - IWF 2006 - The International Woodworking Machinery and Furniture Supply Fair will be held at the Georgia World Congress Center in Atlanta, GA. Visit USNR booth # 5934. For more information visit http://www.iwf2006.com September 11-12 - LesDrevMash - This is the premier tradeshow event in Russia and USNR will be there. For more information visit. http://www-eng.expocentr.ru/site/213 September 28 - FISLA -The event is held during the Alberta Forest Products Association AGM in Jasper, AB. For more information visit http://www.fisla.com September 28-30 - NHLA -The National Hardwood Lumber Association is holding its annual conference in San Antonio, TX. Visit USNR booth # 217-219. For more information please visit http://www.slma.org |
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