2-15
Bracket unit
Structure
The steering actuator “1” is an integrated unit with a built-in steering control unit (SCU) and a built-in
steering motor and cannot be disassembled. The steering motor, which has an integrated pipe, is lo-
cated inside the actuator on one end and a shaft runs through the center of that pipe. The pipe is sup-
ported by a bearing on the other end. When the motor is supplied with power, the pipe turns inside
the actuator. The inside of the pipe and the outside of the shaft have threads, which are engaged using
planetary gears. The brackets “2” are installed to both ends of the shaft, and the steering actuator is
suspended inside the swivel bracket “3”. In addition, the rear of the actuator is connected to the steer-
ing arm “4” through the ball joint “5”.
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