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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. 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.

  5. Shaft collar - Wikipedia

    en.wikipedia.org/wiki/Shaft_collar

    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 of shaft material – which makes the collar harder to adjust or remove. It is common to machine small flats onto the shaft at the set screw locations to eliminate this problem.

  6. List of ISO technical committees - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_technical...

    Shaft heights of machinery: Disbanded TC 14: Shafts for machinery and accessories: TC 15: Coupling: Disbanded TC 16: Keys and keyway: Disbanded TC 17: Steel: TC 18: Zinc and zinc alloys: STANDBY TC 19: Preferred numbers: STANDBY TC 20: Aircraft and space vehicles: TC 21: Equipment for fire protection and fire fighting: TC 22: Road vehicles: TC 23

  7. Spline (mechanical) - Wikipedia

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

    A spline is a ridge or tooth [1] [2] [3] on a drive shaft that matches with a groove in a mating piece and transfers torque to it, maintaining the angular correspondence between them. For instance, a gear mounted on a shaft might use a male spline on the shaft that matches the female spline on the gear.

  8. Hex key - Wikipedia

    en.wikipedia.org/wiki/Hex_key

    A hex key (also, hex wrench, Allen key and Allen wrench or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses ().. Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets.

  9. 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