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An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
In American English, a set screw is a screw that is used to secure an object, by pressure and/or friction, within or against another object, such as fixing a pulley or gear to a shaft. [ 1 ] [ 2 ] A set screw is normally used without a nut (which distinguishes it from a bolt ), being screwed instead in a threaded hole drilled in only one of the ...
His safety set collar was soon copied by others and became an industry standard. The invention of the safety set collar was the beginning of the recessed-socket screw industry. [1] Set screw collars are best used when the material of the shaft is softer than the set screw. Unfortunately, the set screw causes damage to the shaft – a flare-up ...
Offered for sale in 2022. 94 General Electric Co. 1,450 hp (1,080 kW) C-C: December 1956 32711 Originally, GE pattern GEX3341 [71] with Alco 6-251B prime mover. Purchased new. Converted to CLEAR 140 by Sygnet Rail Technologies with Cummins QSK45L prime mover in 2010-2011. Offered for sale in 2022. 95 General Electric Co. 1,450 hp (1,080 kW) C-C ...
It is often the underside of a screw head (male seat, marked A) or a flat at the end of the screw thread (female seat, marked B). A bearing surface in mechanical engineering is the area of contact between two objects. It usually is used in reference to bolted joints and bearings, but can be applied to a wide variety of engineering applications ...
Tamper-resistant versions with a pin in the recess are available. Metric sizes of the hex socket are defined by ISO 4762 (socket head cap screws), ISO 4026 (socket set screws with flat point), ISO 4027 (socket set screws with cone point), ISO 4028 (socket set screws with dog point), and ISO 4029 (socket set screws with cup point).
A jewel bearing is a plain bearing in which a metal spindle turns in a jewel-lined pivot hole. The hole is typically shaped like a torus and is slightly larger than the shaft diameter. The jewels are typically made from the mineral corundum , usually either synthetic sapphire or synthetic ruby .
Hyatt supplied bearings to the Lincoln Steel and Forge Company for use with the axles of coal mine car frames, Lincoln's highly successful main product. [14] Henry Ford became a major customer. [ 2 ] By 1916 the Ford Motor Company had almost half the market for new automobiles, selling 577,036 vehicles that year. [ 15 ]
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