MECH 3020 Final: Wiki-Words

• School: Dalhousie University
• Department: Mechanical Engineering
• Course: MECH 3020
• Professor: Ted Hubbard

Document Summary

Jeweled bearing exhibits a rare combination of design characteristics that make them the bearing of choice over competing alternatives. Jeweled bearings are unparalleled in achieving extremely low break-away friction, long life, and the ability to withstand harsh environments. In applications where lubrication cannot be tolerated, perhaps because dust or debris in the instrument could cause contaminate build-up, jeweled bearings are a safe alternative. Repeatability of tolerance, high surface finishes and close concentricity are other favorable plus points: alaska airlines flight 261: the component failed because of excessive wear resulting from alaska. Airlines" insufficient lubrication of the jackscrew assembly: a jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderately heavy weights, such as vehicles. Common uses include control rods, steering linkage, and tie rods. The trains are fitted with one or more cog wheels or pinions that mesh with this rack rail.