Ball Nut Type Steering
The recirculating ball steering gear contains a worm gear.
Ball nut type steering. The steering wheel connects to a threaded rod similar to a bolt that sticks into the hole in the block. 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 ball bearings move the ball nut assembly up or down the. Many years ago cars had ball nut or recirculating ball steering.
Precision finished helical grooves inside the ball nut match the helical grooves on the wormshaft which are filled with ball bearings. Grey import tractor steering shaft nut kubota. The linkage that turns the wheels is slightly different than on a rack and pinion system. The first part is a block of metal with a threaded hole in it.
You can image the gear in two parts. Operation this one really acts like a bolt and a nut. Worm and ball nut steering gear. 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.
The main problem with this is a deadzone or sloppiness which got worse as the linkakes bushes wore. Another form of steering gear is called the worm and ball nut. Recirculating ball nut type steering gear. For animation please check.
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. Power steering system ball screw duration. The recirculating ball steering gear contains a worm gear. The saginaw recirculating ball and nut design is the best design to date for pitman type steering boxes and vehicle manufacturer s have used this design into the 1990s for the durability and strength in the design.
In this video i will show working and assembling of recirculating type steering gearbox. You can image the gear in two parts. In this type of steering gear the end of the worm shaft is machined with a continuous helical groove. The first part is a block of metal with a threaded hole in it.
A nut is meshed with. Recirculating ball steering is used on many trucks and suvs today. Modern cars have rack pinion steering which gives tight minimal sloppiness or deadzone. Restore your vintage tractor with new aftermarket parts for many classic tractor brands.
This block has gear teeth cut into the outside of it which engage a gear that moves the pitman arm shaft see diagram above. Refer to the service manual for the type of recirculating. Steiner tractor parts sells new parts for old tractors.