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  2. Tire balance - Wikipedia

    en.wikipedia.org/wiki/Tire_balance

    In the tire factory, the tire and wheel are mounted on a balancing machine test wheel, the assembly is rotated at 100 r/min (about 5–7 m/s (18–25 km/h; 11–16 mph) with recent high sensitivity sensors) or higher, 300 r/min (about 25–27 m/s (90–97 km/h; 56–60 mph) with typical low sensitivity sensors), and forces of unbalance are ...

  3. Balancing of rotating masses - Wikipedia

    en.wikipedia.org/wiki/Balancing_of_rotating_masses

    If a system is initially unbalanced, to avoid the stress upon the bearings caused by the centrifugal couple, counterbalancing weights must be added. This is seen when a bicycle wheel gets a buckled rim. The wheel will not rotate to a preferred position but because some rim mass is offset there is a wobbling couple leading to a dynamic vibration.

  4. Tire uniformity - Wikipedia

    en.wikipedia.org/wiki/Tire_uniformity

    Tire uniformity refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These standards include the parameters of radial force variation , lateral force variation , conicity, ply steer, radial run-out , lateral run-out , and ...

  5. Rotating unbalance - Wikipedia

    en.wikipedia.org/wiki/Rotating_unbalance

    A static balance (sometimes called a force balance [2] [3]) occurs when the inertial axis of a rotating mass is displaced from and parallel to the axis of rotation.Static unbalances can occur more frequently in disk-shaped rotors because the thin geometric profile of the disk allows for an uneven distribution of mass with an inertial axis that is nearly parallel to the axis of rotation.

  6. Rim (wheel) - Wikipedia

    en.wikipedia.org/wiki/Rim_(wheel)

    Cutaway diagram of a rim and tire from an ATV Cross section of a bicycle rim A wooden bicycle rim with tubular tire. The rim is the "outer edge of a wheel, holding the tire". [1] It makes up the outer circular design of the wheel on which the inside edge of the tire is mounted on vehicles such as automobiles. [2] For example, on a bicycle wheel ...

  7. Rescuers try to free dog from tire rim with soap and water ...

    www.aol.com/rescuers-try-free-dog-tire-112352331...

    A dog became trapped in the rim of a large tire at its home in New Jersey, dramatic photos and video show. Daisy the yellow lab’s head is seen sticking through the center of the truck tire, CBS ...

  8. Flat spot - Wikipedia

    en.wikipedia.org/wiki/Flat_spot

    A literal flat spot can occur on car tires if the vehicle is parked without moving for some time (generally longer than a week), and the tire deformation at the bottom of the wheel becomes semi-permanent. The flat spot gradually relieves itself when the car is driven but can temporarily give similar symptoms to an unbalanced wheel.

  9. Tire bead - Wikipedia

    en.wikipedia.org/wiki/Tire_bead

    Tire bead is the term for the edge of a tire that sits on the rim. Wheels for automobiles, bicycles, etc. are made with a small slot or groove into which the tire bead sits. When the tire is properly inflated, the air pressure within the tire keeps the bead in this groove. Reducing tire air pressure is a frequent practice among off-road vehicle ...

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