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An anti-roll bar (roll bar, anti-sway bar, sway bar, stabilizer bar) is an automobile suspension part that helps reduce the body roll of a vehicle during fast cornering or over road irregularities. It links opposite front or rear wheels to a torsion spring using short lever arms for anchors.
One end of a long metal bar is attached firmly to the vehicle chassis; the opposite end terminates in a lever, the torsion key, mounted perpendicular to the bar, that is attached to a suspension arm, a spindle, or the axle. Vertical motion of the wheel causes the bar to twist around its axis and is resisted by the bar's torsion resistance. The ...
Not very easy to adjust for reduced roll stiffness, but increasing it is easily done by adding an anti-roll bar; Welds see a lot of fatigue, may need a lot of development; Not much recession compliance: can be poor for impact harshness, and will cause unwelcome toe changes (steer effects)
The torsion balance consists of a bar suspended from its middle by a thin fiber. The fiber acts as a very weak torsion spring. If an unknown force is applied at right angles to the ends of the bar, the bar will rotate, twisting the fiber, until it reaches an equilibrium where the twisting force or torque of the fiber balances the applied force.
Mounted with the vehicle suspension stabilizer bars, each reduction mechanism houses a wave generator, flexible gear, and circular gear. [4] The system is activated when the vehicle enters a high-speed turn, and the sensors register vertical, longitudinal, and transverse forces which contribute to body lean and additional movements.
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Roll bar or rollbar may refer to: Roll bar, also known as anti-roll bar or sway bar, a torsion spring bar that reduces vehicle roll; Roll cage, a vehicle frame designed to protect occupants in the event of a crash; Rollover protection structure, or rollover bar, similar in purpose to a roll cage, and fitted to open-topped cars or agricultural ...
Torsion of a square section bar Example of torsion mechanics. In the field of solid mechanics, torsion is the twisting of an object due to an applied torque [1] [2].Torsion could be defined as strain [3] [4] or angular deformation [5], and is measured by the angle a chosen section is rotated from its equilibrium position [6].