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  2. Belt (mechanical) - Wikipedia

    en.wikipedia.org/wiki/Belt_(mechanical)

    The angular speed is inversely proportional to size, so the larger the one wheel, the less angular velocity, and vice versa. Actual pulley speeds tend to be 0.5–1% less than generally calculated because of belt slip and stretch. In timing belts, the inverse ratio teeth of the belt contributes to the exact measurement. The speed of the belt is:

  3. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    Cutting speed may be defined as the rate at the workpiece surface, irrespective of the machining operation used. A cutting speed for mild steel of 100 ft/min is the same whether it is the speed of the cutter passing over the workpiece, such as in a turning operation, or the speed of the cutter moving past a workpiece, such as in a milling operation.

  4. Pulley - Wikipedia

    en.wikipedia.org/wiki/Pulley

    Flat belt on a belt pulley Belt and pulley system Cone pulley driven from above by a line shaft. A belt and pulley system is characterized by two or more pulleys in common to a belt. This allows for mechanical power, torque, and speed to be transmitted across axles. If the pulleys are of differing diameters, a mechanical advantage is realized.

  5. Underdrive pulleys - Wikipedia

    en.wikipedia.org/wiki/Underdrive_pulleys

    Additionally, an underdrive pulley will not reduce the power consumed by the alternator, as the alternator's load is automatically adjusted by its control circuit to match the electrical load regardless of input speed. Changing the original crankshaft pulley can also have negative effects if the replacement pulley is not manufactured properly.

  6. Line shaft - Wikipedia

    en.wikipedia.org/wiki/Line_shaft

    Varying sizes of pulleys were used in conjunction to change the speed of rotation. For example, a 40" pulley at 100 rpm would turn a 20" pulley at 200 rpm. Pulleys solidly attached ("fast") to the shaft could be combined with adjacent pulleys that turned freely ("loose") on the shaft (idlers). In this configuration the belt could be maneuvered ...

  7. Conveyor pulley - Wikipedia

    en.wikipedia.org/wiki/Conveyor_pulley

    A conveyor pulley is a mechanical device used to change the direction of the belt in a conveyor system, to drive the belt, and to tension the belt. Modern pulleys are ...

  8. Continuously variable transmission - Wikipedia

    en.wikipedia.org/wiki/Continuously_variable...

    The most common type of CVT uses a V-belt which runs between two variable-diameter pulleys. [2] The pulleys consist of two cone-shaped halves that move together and apart. The V-belt runs between these two halves, so the effective diameter of the pulley is dependent on the distance between the two halves of the pull

  9. Toothed belt - Wikipedia

    en.wikipedia.org/wiki/Toothed_belt

    A Gilmer belt was a brand or trade name for a mechanical belt used for transferring power between axles in a machine.The Gilmer belt was originally sold by the L. H. Gilmer company after 1949, [9] and represents one of the earliest toothed belt designs.

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