Universal Joints
A large steel producer was experiencing failures of the U-joints on a plate mill leveler at their Indiana plant. The mill produces 160 in. wide plates that are then cut-to-length. The 350 mm U-Joints drive a series of 6 upper and 7 lower rollers that level 2 in. to 6 in. thick steel plates as they pass through.
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Couplings. There certainly is no shortage of couplings — or things to couple them with. There also seems to be no lack of applications for them. You say you need to reduce the transmission of shock loads from one shaft to another? That’s a classic application for shaft couplings; but really, couplings are application-intensive. They’re everywhere.
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Engine Expo was the must-attend event for anyone involved in the design and development of OEM engines and powertrains as well as the sale or procurement of engine components, engine manufacturing systems, engine accessories, new technologies and materials.
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Steel producers worldwide continually refine their processes to serve the changing needs of their customers. For example, Federal emission standards and consumers demand more efficient vehicles without compromising performance and styling. In response, steel producers have begun to develop thinner, lighter weight auto gage steels that perform as well and look better than previous materials.
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A leading Midwest seamless tube piercing steel mill was experiencing repetitive OEM universal joint knuckle failures on their mandrel and piercing mills. The original OEM universal joint knuckles would catastrophically fail without warning, turning rollers and other component fragments into projectiles, which created a major safety concern. Failures were
unpredictable, with some breaking down in days, weeks, or months, creating substantial delays and often shutting down production.
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