Variable Pitch Rack And Pinion Diagram Free Download. A variable pitch region is interposed between the middle fixed pitch region. This makes the car respond quickly when starting a turn the rack is near the center and also reduces effort near the wheel s turning limits.
This rack and pinion steering system uses a different number of teeth per cm tooth pitch in the centre than at the ends. Table presents the calculation of a meshed profile shifted spur gear and rack. One method which has been tried is to provide a pinion with variable pitch radius and a rack with varying height teeth to match.
This has been rejected as undesirably fast steering.
Design and fabrication of variable rack and pinion steering geometry r. Has a larger pitch radius than standard by the amount xm. Such a gear is limited to about 1 8 turns of the steering wheel to steer the vehicle from lock to lock. A variable ratio rack pinion steering gear and a method for cutting rack teeth therein are disclosed.
