Ball Nut Steering System
The worm and the nut have mating spiral grooves in which steel balls circulate to provide a frictionless drive between the worm and nut.
Ball nut steering system. In the worm and ball bearing nut steering gear a ball nut is mounted on the worm of the steering shaft. Operation this one really acts like a bolt and a nut. A smaller steering wheel diameter also provided more interior room and a comfortable driving position. Introduced in 1923 the worm and peg design was originally devised by an american inventor david ross of the ross gear and tool company.
Steiner tractor parts sells new parts for old tractors. A closer look at the ball screw setup from the steering box. The first part is a block of metal with a threaded hole in it. Recirculating ball nut type steering gear.
It is also used in some off road vehicles and especially in trucks. Power steering unit using the ball screw system i ve made this using catia v5 unfortunantly i havent made a animation yet but it will come soon. These steering gears are. You can image the gear in two parts.
The new american high efficiency steering gear systems fell into three basic areas. During the 50s 60s 70s and through the early 80s many other vehicle manufacturers adopted the design and it is commonly called the recirculating ball nut type steering gear. Recirculating ball also known as recirculating ball and nut or worm and sector is a steering mechanism commonly found in older automobiles off road vehicles and some trucks most newer cars use the more economical rack and pinion steering instead but some upmarket manufacturers such as bmw and mercedes benz held on to the design until well into the 1990s for the durability and strength. A nut is meshed with.
For animation please check. The worm and screws up and down when the worm is turned back and forth. Another form of steering gear is called the worm and ball nut. The recirculating ball steering gear contains a worm gear.
The linkage that turns the wheels is slightly different than on a rack and pinion system. The recirculating ball nut is a steering mechanism that is generally found in the earlier generation cars. With a fully staffed technical help department helpful customer service reps great product photos helpful installation and repair videos we are ready to help you restore your first antique tractor or your one hundredth. Two sets of balls are used with each set operating independently of others.
However the newer generation cars mainly have the rack and pinion steering mechanism. The thread itself would have to. Please note that i m completely wrong about the direction reversing by flipping the screw 180deg. Worm and ball nut steering gear.
Worm and peg worm and roller and worm and recirculating ball nut.