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Zhaowei Machinery & Electronics Co., Ltd.

Adaptive Front-lighting System (AFS) Gearbox

The adaptive front-lighting system (AFS) provides automobiles with both dynamic rotation adjustment and dynamic level adjustment. It can adjust the headlight level according to the signal of the load axis sensor, which can adapt to different loads and different slope environments. Generally, the rotation and leveling of the cars AFS is carried out using stepper motors, which is why it’s important for designers to use the right motor.

AFS is a system consisting of a sensor group, a transmission path, a processor, and an actuator. The AFS actuator is made up of various motors and optical mechanisms. There are generally projection headlights, an adjustment motor that adjusts the vertical angle of the headlights, a rotary motor that adjusts the horizontal angle of the headlights, a movable grating that adjusts the basic light pattern, and some additional lights.

Adaptive Front-lighting System (AFS) Gearbox

Automatic headlight gearbox

Headlamp adjustment geared motor

The existing automatic horizontal dimming device consists of two suspension height sensors, one ECU, and two stepper motors. When the height of the car body changes, the front axle and rear axle height sensors will output different voltage signals to the ECU in real-time. The ECU can calculate the inclination of the vehicle body relative to the initial position according to the output signals of the front and rear axle height sensors and the vehicle body wheelbase. The illumination height of the headlights is then adjusted by controlling stepper motors to compensate for this change.

The currently prevalent light-adjusting system is complex and costly, and the light-adjusting motor can be damaged easily.

Stepper motors from ZHAOWEI keep you moving forward

ZHAOWEI takes the safety of driving at night into consideration. The safety and stability of the headlights are of utmost importance, and stepper motors are the components that are key in insuring that headlights meet lighting requirements while driving at night.

ZHAOWEI has optimized the structure and gear precision of the gear motor for the car headlight regulator, effectively improving the efficiency and quality of the rotating gear motor and stabilizing the gear transmission angle in the long run and on pitted roads.

The gearbox for AFS mentioned above is only shown as a case that is developed for specific customers. It can be also customized according to customer requirements.

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ZHAOWEI can provide micro-gear drive systems quickly and economically.With the existing experience of gear drive systems,we can design and develop ideal products according to your requirements with better service

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