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Friction welding is a solid-state welding technique similar to forge welding. Instead of a fusion welding process, Friction welding is used with metals and thermoplastics in a wide variety of aviation and automotive applications. The ISO norm of friction welding is EN ISO 15620:2019, [2] which contains information about the basic terms ...
Kubota Corporation (株式会社クボタ, Kabushiki-kaisha Kubota) is a Japanese multinational corporation based in Osaka.It was established in 1890. The corporation produces many products including tractors and other agricultural machinery, construction equipment, engines, vending machines, pipe, valves, cast metal, pumps, and equipment for water purification, sewage treatment and air ...
The Caterpillar 797 is a series of off-highway, ultra class, two- axle, mechanical powertrain haul trucks developed and manufactured in the United States by Caterpillar Inc. specifically for high-production mining and heavy construction applications worldwide. [1] In production since 1998, the 797 series represents Caterpillar’s largest ...
Rotary friction welding (RFW) one of the methods of friction welding, the classic way of which uses the work of friction to create a not separable weld. Typically one welded element is rotated relative to the other and to the forge (pressed down by axial force). The heating of the material is caused by friction work and creates a permanent ...
The D9, with 354 kW (474 hp) of gross power and an operating weight of 49 short tons (44 t), is in the upper end of Caterpillar's track-type tractors, which range in size from the D2 69 kW (92 hp), 9 short tons (8.2 t), to the D11 698 kW (935 hp), 104 short tons (94 t). The size, durability, reliability, and low operating costs have made the D9 ...
Continuous track or tracked treads are a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle better than steel or rubber tyres on an equivalent vehicle, enabling continuous tracked ...
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As of 2010, Caterpillar Inc. was the 229nd largest company in the world, In 2011, Caterpillar was the best-performing stock last year among the 30 companies in the Dow Jones industrial average [30] with a market value of US$45.13 billion. Caterpillar is one of the 30 companies whose stock is tracked in the Dow Jones Industrial Average.