Yonkers, NY (PRWEB) July 31, 2014
Graphite Metallizing Corporation announces GRAPHALLOY® bearings for use in high temperature oven carts. These bearings are uniquely suited to prevent loss of lubrication that may occur in sealed ball bearings because of the high temperatures.
Recently, a manufacturer of high purity alumina requested help from the design engineers at Graphite Metallizing to overcome problems with movement of carts through a heating process. During their manufacturing operation, pans containing blocks of powder mixture are loaded onto a train of carts and then driven by an electric motor through a series of ovens. It is critical that the carts move smoothly, at a consistent speed, through the heating process so that the blocks of powder do not break.
However, the high temperature of the oven was causing the sealed ball bearings to fail, lose lubrication and stick. The wheels would then lock causing the carts to shake and increasing the load on the motor. The electric motor would continue trying to drag the carts through the oven. As a result, the powder blocks would break, the electric motor would overload and the carts would then have to be manually pulled through the ovens.
The engineers at Graphite Metallizing recommended GRAPHALLOY Grade 212 to replace the sealed ball bearings. The manufacturer tested the GRAPHALLOY bearings, approved them and changed all their cart bearings to GRAPHALLOY. The result for this manufacturer was a savings of thousands of dollars annually in replacement parts, maintenance costs, product waste and downtime.
More About GRAPHALLOY and Graphite Metallizing Corporation
Graphite Metallizing Corporation of Yonkers, NY has been solving tough bearing problems for over 100 years. The company began in 1913 when two engineers developed a method for putting molten metal into carbon to create a new material called GRAPHALLOY, a graphite/metal alloy.
Used in the manufacture of bushings, bearings and other components for machinery and process equipment, GRAPHALLOY materials are self-lubricating, impervious to temperature extremes from -400°F to +750°F (-240°C to 400°C) and thrive in harsh environments where other bearings fail. Special grades provide reliable service up to 1000°F (535°C) and higher in non-oxidizing atmospheres.
GRAPHALLOY can be the solution to the toughest bearing, bushing, thrust washer, cam follower, or pillow block bearing design problem. It is available in over 100 grades with specific properties that meet a wide range of engineering solutions and specifications. FDA accepted grades of GRAPHALLOY are available for food contact equipment. NSF® International has certified two grades of GRAPHALLOY material for use in municipal well pumps and water treatment plant applications.
In some applications, GRAPHALLOY bearings have operated for up to 20 years without maintenance. Standard designs are available but most GRAPHALLOY products are custom designed to the unique requirements of the specific application. Graphite Metallizing Corporation is ISO certified. For more information about Graphite Metallizing and its products, please visit us online at http://www.graphalloy.com or call 914-968-8400.
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