DDB120 Recirculating ballnut and worm assemblies steering gears: Recirculating-ball steering is used on many trucks and SUVs today. The linkage that turns the wheels is slightly different than on a rack-and-pinion system. DDB-120 Recirculating Ballnut and worm assembly Power Steering Gears Applicated in well maintenance vehicle, towing truck, heavy duty 80T derrick truck

Steering nuts and worm shaft assembly
The ball screw assembly  steering gears consists of a screw and a nut, each with matching helical grooves, and balls which roll between these grooves between the nut and the screw when the nut or screw is rotating. The balls are deflected by the deflector into the ball return system of the nut and they travel through the return system to the opposite end of the ball nut in a continuous path, and exit from the ball return system into the ball screw and nut thread raceways continuously to recirculate in a closed circuit...
 
Sector pitman shaft
A Pitman shaft is a column extending from the steering sector, which attaches to the Pitman arm, which moves the tie rods. Depending on the turn direction, the fluid from a pump moves a piston forward or backward. This action moves a nut, which turns the Pitman shaft and steering linkage. The movement inside the steering box causes the Pitman shaft and arm to rotate, applying leverage to the relay rod, which passes the movement to the tie rods...

Pitman arm series
pitman arm to help steering systems on lifted vehicles.The arm helps correct the vehicle\\\'s important bump steer angle caused by an increase in suspension height. Not for use with stock steering stabilizer....

Steering linkage
Steering Linkage mechanism consisting of a system of rods and levers connected to the front wheels of a motor vehicle; the steering gear pushes it left or right which swivels the front wheels, causing the vehicle to turn ...

Steering joint
1). excellent performance, long using life and competitive price.
2). Your sample request are welcomed
3). With own R&D dept., OEM orders are available....

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