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  2. Rotary friction welding - Wikipedia

    en.wikipedia.org/wiki/Rotary_friction_welding

    Massive welding machine. [88] Caution with hot and sharp things for example the hot welded components, chips if they are cut off on the welding machine; Chips -sharp edges. Fresh air, for example do not smoke on the production hall near the machine also in some cases vapor extractor to outside in welder; Vapors in welding and heated object.

  3. Rotary table - Wikipedia

    en.wikipedia.org/wiki/Rotary_table

    A rotary table is a precision work positioning device used in metalworking. It enables the operator to drill or cut work at exact intervals around a fixed (usually horizontal or vertical ) axis. Some rotary tables allow the use of index plates for indexing operations, and some can also be fitted with dividing plates that enable regular work ...

  4. Railway turntable - Wikipedia

    en.wikipedia.org/wiki/Railway_turntable

    A turntable for the Central Railroad of New Jersey. Turnplates at the Park Lane goods station of the Liverpool and Manchester Railway in 1831. Early wagonways were industrial railways for transporting goods—initially bulky and heavy items, particularly mined stone, ores and coal—from one point to another, most often to a dockside to be loaded onto ships. [4]

  5. Rotary table (drilling rig) - Wikipedia

    en.wikipedia.org/wiki/Rotary_table_(drilling_rig)

    The rotary bushings are located at the center of the rotary table. These can generally be removed in two separate pieces to facilitate large items, e.g. drill bits, to pass through the rotary table. The large gap in the center of the rotary bushings is referred to as the "bowl" due to its appearance.

  6. Friction welding - Wikipedia

    en.wikipedia.org/wiki/Friction_welding

    Friction welding (FWR) is a solid-state welding and bonding process that generates heat through mechanical friction between workpieces in relative motion to one another. The process is used with the addition of a lateral force called "upset" to plastically displace and fuse the materials. [1]

  7. Weld tests for friction welding - Wikipedia

    en.wikipedia.org/.../Weld_tests_for_friction_welding

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  8. Consumer Reports - Wikipedia

    en.wikipedia.org/wiki/Consumer_Reports

    Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy.

  9. Friction stir welding - Wikipedia

    en.wikipedia.org/wiki/Friction_stir_welding

    During welding, a number of forces will act on the tool: [30] A downwards force is necessary to maintain the position of the tool at or below the material surface. Some friction-stir welding machines operate under load control, but in many cases the vertical position of the tool is preset, and so the load will vary during welding.

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