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  2. Key (engineering) - Wikipedia

    en.wikipedia.org/wiki/Key_(engineering)

    Square keys are used for smaller shafts and rectangular faced keys are used for shaft diameters over 6.5 in (170 mm) or when the wall thickness of the mating hub is an issue. Set screws often accompany parallel keys to lock the mating parts into place. [3] The keyway is a longitudinal slot in both the shaft and mating part.

  3. Key relevance - Wikipedia

    en.wikipedia.org/wiki/Key_relevance

    The difference in size between the original key (blue) and its copy (red) is 0.023mm, an accuracy of 0.61%. This is an acceptable level of tolerance. In master locksmithing , key relevance is the measurable difference between an original key and a copy made of that key, either from a wax impression or directly from the original, and how similar ...

  4. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    keyway position Pin configuration 2P 3P No minor keyway 20–25 VAC (violet) 30° / 1h Not standardized, reserved for special purposes 60° / 2h 20–25 & 40–50 VAC, 300 Hz (green) 90° / 3h 20–25 & 40–50 VAC, 400 Hz (green) 120° / 4h 20–25 & 40–50 VAC, 100–200 Hz (green) 150° / 5h Not used, blocked by major keyway 180° / 6h

  5. List of gear nomenclature - Wikipedia

    en.wikipedia.org/wiki/List_of_gear_nomenclature

    Shaft angle. A shaft angle is the angle between the axes of two non-parallel gear shafts. In a pair of crossed helical gears, the shaft angle lies between the oppositely rotating portions of two shafts. This applies also in the case of worm gearing. In bevel gears, the shaft angle is the sum of the two

  6. Broaching (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Broaching_(metalworking)

    A common type of internal broach is the keyway broach (C & D). It uses a special fixture called a horn to support the broach and properly locate the part with relation to the broach. [9] A concentricity broach is a special type of spline cutting broach which cuts both the minor diameter and the spline form to ensure precise concentricity.

  7. Coupling - Wikipedia

    en.wikipedia.org/wiki/Coupling

    A sleeve coupling consists of a pipe whose bore is finished to the required tolerance based on the shaft size. Based on the usage of the coupling a keyway is made in the bore in order to transmit the torque by means of the key. Two threaded holes are provided in order to lock the coupling in position.

  8. Keyway - Wikipedia

    en.wikipedia.org/wiki/Keyway

    Keyway may refer to: A part of a keyed joint used to connect a rotating machine element to a shaft; see key (engineering) A keyhole , a hole or aperture (as in a door or lock) for receiving a key; see lock and key

  9. Shaft (mechanical engineering) - Wikipedia

    en.wikipedia.org/wiki/Shaft_(mechanical_engineering)

    The following stresses are induced in the shafts. Shear stresses due to the transmission of torque (due to torsional load). Bending stresses (tensile or compressive) due to the forces acting upon the machine elements like gears and pulleys as well as the self weight of the shaft. Stresses due to combined torsional and bending loads.