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  2. Backlash (engineering) - Wikipedia

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

    In mechanical engineering, backlash, sometimes called lash, play, or slop, is a clearance or lost motion in a mechanism caused by gaps between the parts. It can be defined as "the maximum distance or angle through which any part of a mechanical system may be moved in one direction without applying appreciable force or motion to the next part in mechanical sequence."

  3. Degree of curvature - Wikipedia

    en.wikipedia.org/wiki/Degree_of_curvature

    The degree of curvature is defined as the central angle to the ends of an agreed length of either an arc or a chord; [1] various lengths are commonly used in different areas of practice. This angle is also the change in forward direction as that portion of the curve is traveled.

  4. Run-out - Wikipedia

    en.wikipedia.org/wiki/Run-out

    Radial run-out is caused by the tool being translated off the machine axis, still parallel. Radial run-out will measure the same all along the machine axis. Axial run-out is caused by the tool or component being at an angle to the axis. Axial run-out causes the tip of the tool or shaft to rotate off-centre relative to the base.

  5. Constant-velocity joint - Wikipedia

    en.wikipedia.org/wiki/Constant-velocity_joint

    A Rzeppa-type (Birfield) CV joint. A constant-velocity joint (also called a CV joint and homokinetic joint) is a mechanical coupling which allows the shafts to rotate freely (without an appreciable increase in friction or backlash) and compensates for the angle between the two shafts, within a certain range, to maintain the same velocity.

  6. Captive bubble method - Wikipedia

    en.wikipedia.org/wiki/Captive_bubble_method

    The captive bubble method is a method for measuring the contact angle between a liquid and a solid, by using drop shape analysis. [1] In this method, a bubble of air is injected beneath a solid, the surface of which is located in the liquid, instead of placing a drop on the solid as in the case of the sessile drop technique.

  7. Approach and departure angles - Wikipedia

    en.wikipedia.org/wiki/Approach_and_departure_angles

    Approach (α) and departure angle (β) of a vehicle. Approach angle is the maximum angle of a ramp onto which a vehicle can climb from a horizontal plane without interference. [1] It is defined as the angle between the ground and the line drawn between the front tire and the lowest-hanging part of the vehicle at the front overhang.

  8. Axle track - Wikipedia

    en.wikipedia.org/wiki/Axle_track

    Track (measured between center line of wheels) In automobiles (and other wheeled vehicles which have two wheels on an axle), the axle track is the distance between the hub flanges on an axle. [1]

  9. Slip (vehicle dynamics) - Wikipedia

    en.wikipedia.org/wiki/Slip_(vehicle_dynamics)

    In (automotive) vehicle dynamics, slip is the relative motion between a tire and the road surface it is moving on. This slip can be generated either by the tire's rotational speed being greater or less than the free-rolling speed (usually described as percent slip), or by the tire's plane of rotation being at an angle to its direction of motion (referred to as slip angle).