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Graphalloy provides maintenance-free operation in high temperature applications
Graphalloy? is made for high temperature applications where maintaining lubrication can be difficult, or even impossible. This case study shows how the self-lubricating qualities of Graphalloy - with no grease or oil to burn up or collect dust and dirt - can solve problems even under the harshest operating conditions. Steel Mill Cooling Beds is a tough, hot and dusty application.
Think you have a tough, "rough service" application?
Consider this example from a Midwest steel mill. As molten hot plates, bars and billets come off casters, they move on horizontal rollers typically supported by water cooled bearings. This particular mill was already using Graphalloy bushings for the horizontal rollers in their cooling beds, and the bushings were thriving under these severe heat and water spray conditions.
Because of the success with the horizontal rollers, the mill wanted to consider Graphalloy flange bearings for another application: the vertical guide rollers along the sides of the cooling beds.
These vertical guides keep the hot steel from running off the sides of the cooling beds. Guide rollers remain static until a piece of hot steel slams up against them, at which time they are expected to turn instantly to guide the steel back on to the cooling bed.
This mill had been using conventional greased rolling element bearings in the vertical guides, but these bearings usually lasted only a few months.
When considering the Graphalloy flange unit upgrade, the customer was concerned about shock loading and flange breakage. Fortunately, neither of these turned out to be a problem. Based on the success with the vertical rollers, the mill has since retrofitted additional lines with Graphalloy.
This is an excellent example of how Graphalloy can solve bearing problems under harsh and difficult operating environments. Graphalloy is a registered trademark of Graphite Metallizing Corporation.
(For further information contact: Advanced Materials & Tribology, 114, Sunderam Industrial Estate, Off BKSD Marg, Deonar, Mumbai 400 088. Tel: 022-67987870, 61545401-03. Email: himanshu.sheth@amtgroup.in)
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INDUSTRIAL PRODUCTS FINDER (IPF) is India’s only industrial product portal. Referred to as the ‘Bible’ of the manufacturing sector in India,
INDUSTRIAL PRODUCTS FINDER (IPF) is India’s only industrial product portal. Referred to as the ‘Bible’ of the manufacturing sector in India,
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