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The column can collapse after impact with a tolerance ring inserted between the inner shaft of the steering column and the external housing. The wavelike protrusions on the circumference of the tolerance ring act as a spring to hold the two parts in place in normal driving conditions.
Tolerance rings are used in a number of mechanisms throughout the automotive powertrain and steering systems, as well as the car interior and exterior. [5] Their torque limiting and overload capabilities allow them to be used as simple clutch devices in several applications, such as the automatic tailgate motor [6] and the collapsible steering column.
The steering pivot points [clarification needed] are joined by a rigid bar called the tie rod, which can also be part of the steering mechanism, in the form of a rack and pinion for instance. With perfect Ackermann, at any angle of steering, the centre point of all of the circles traced by all wheels will lie at a common point.
Tolerance analysis is the general term for activities related to the study of accumulated variation in mechanical parts and assemblies. Its methods may be used on other types of systems subject to accumulated variation, such as mechanical and electrical systems.
The technology in use on the shop floor of Melbourne firm Unidrive, which used WeldPrint to monitor the quality of steering-column component welds in more than half a million Australian vehicles in the period 2001–06. WeldPrint for arc welding became available in mid-2001. About 70 units have been deployed since 2001, about 90% used on the ...
For example, if a shaft with a nominal diameter of 10 mm is to have a sliding fit within a hole, the shaft might be specified with a tolerance range from 9.964 to 10 mm (i.e., a zero fundamental deviation, but a lower deviation of 0.036 mm) and the hole might be specified with a tolerance range from 10.04 mm to 10.076 mm (0.04 mm fundamental ...
Understeer and oversteer are vehicle dynamics terms used to describe the sensitivity of the vehicle to changes in steering angle associated with changes in lateral acceleration. This sensitivity is defined for a level road for a given steady state operating condition by the Society of Automotive Engineers (SAE) in document J670 [ 1 ] and by the ...
A lower steering ratio means that the steering wheel is turned less to get the wheels turning, but it will be harder to turn the steering wheel. Larger and heavier vehicles will often have a higher steering ratio, which will make the steering wheel easier to turn. If a truck had a low steering ratio, it would be very hard to turn the steering ...