Steering Rack End

Rack End, or called axial joints are used only in rack-and-pinion steering systems and must guarantee large angular travels of as much as 60° in mostly short steering tie rods.

To ensure and adequate overlap between ball socket and housing collar, ball diameters ?23mm must be provided. This configuration allows maximum axial tension forces of 25Kn. In practice, three different types of steering rack ends design are used:

(1) Casing with internal thread for bolting onto the steering tie rod, and ball stud pin with external thread to bolt into the steering rack.

(2) Casing with threaded stud pin for bolting into the steering rack, and extruded ball at the rack ends.

(3) Casing with threaded bore for bolting onto the steering rack, and extruded ball at the car rack ends.

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