2427433 - 4120A rack and pinion steering box

SPECIFCATIONS

Specifications:

  • splitter ratio equal to 51 mm/fixed revolution
  • steering wheel/wheel angle ratio equal to 14°/1°
  • steering wheel revolutions: ~ 2.6 for a rack travel of 135 mm
  • turning circle: ~ 9.9 m

Diagram showing effort with constant ratio steering box:

Constant ratio steering box

Cross sections through steering box.

The following figure shows a cross section through the constant ratio steering box and illustrates the rack and pinion teeth schematically.