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Zhaowei Machinery & Electronics Co., Ltd.

Gear Motor Comes to Upgrade the Automobiles

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The advancement in production and management systems in the last decade has revolutionized the automobile industry. It has witnessed the opening-up and growth of several emerging markets. Per the Global Car & Automobile Sales Industry – Market Research Report by IBISWorld, the automobile industry revenue has increased at an annualized rate of 2.7% to $4.0 trillion over the 5 years to 2019, including revenue growing 2.3% in 2019 alone. It is still projected to experience a boom outstripping the most decisive period of the industry globally. However, on the way to development, the automotive industry is now fronting new and pressing challenges owing to globalization, digitalization, and increasing competition. The gear motor provided by ZHAOWEI, as a critical role in each part, comes to upgrade the automobiles.

An automobile moves because of the torque, which the engine transmits to the wheels. Therefore, a transmission system is vital to transmitting torque efficiently and effectively. By changing the transmission ratios, the transmission varies in speed (rpm), torque, and direction and enables the automobile to start with high torque. An automatic transmission is a gearbox with no need for manual switching. It could be used in any automobile part that needs low speed and high torque.  

How Does ZHAOWEI Empower Each Automobile with Gears?

The function of gearboxes varies for cars. ZHAOWEI proudly provides multiple gearboxes in this field to fulfill performance requirements in decreasing speed, increasing torque, and improving transmission, which has been gaining more and more popularity.    

car-seat-adjustment

  • Automobile Tailgate

A tailgate is a door at the back of an automobile and plays a vital role in each automobile. Although it brings much convenience, it has certain drawbacks, such as lifting difficulty and annoying noise, when the tailgate opens and closes. To improve the situation, ZHAOWEI develops intelligent control with an automobile gear system for the electric tailgate. The spindle driver comprises a tube and an outer tube. The threaded spindle that moves on the thread and nut that are fixed on the inner side of the outer tube are transmitted by the motor of the inner tube and the gearbox. The electric prop uses the motorized spindle located in the prop to open or close the tailgate with the supportive spring. Moreover, ZHAOWEI develops the gear motors for automotive tailgate support rod.  

  • Electric Power Steering (EPS)

Electric power steering is standard in automobiles, as they take heavy loads; its main transmission structure is often assembled by the drive motor and gearbox (reducer). The motor used in the EPS system is a DC servo motor. Together with high-precision gears, this system is primarily characterized by a wide speed range, high torque, smooth adjustment, ease of control, outstanding reliability, and low energy loss and noise. The gear motors from ZHAOWEI fulfill these features. When the driver performs steering on the steering wheel, the torque sensor detects the steering wheel and torque and transmits the voltage signal to the electronic control unit (ECU). Then ECU conveys related instructions to the motor controller to make its output steering assist torque of a corresponding level and direction, thereby generating auxiliary power. When the car is not steering, the ECU stops to issue the instructions to the motor controller and the motor does not work, which is smart and efficient.    

EPS

  • Electric Park Brake (EPB)

The EPB with micro gearboxes can realize that the vehicle is on some slope stable parking and the system can automatically realize thermal compensation. ZHAOWEI modifies the gear and tooth profile of the EPB, which can ameliorate the efficiency of the gearbox under high-frequency vibration and the accuracy of manufacturing. The control motor of EPB, respectively, installed on the left and right brake calipers of the rear wheel comprising a DC motor and micro gearbox. Gearbox from ZHAOWEI features compact size, high torque, and the likelihood to change the driving direction of the DC motor. The gearbox for EPB can still operate efficiently under high torque and large current.

 EPB

  • Electric Head Restraint

In common traffic accidents, such as rear-end collision, drivers or passengers are vulnerable to a neck injury. The awareness of the significance of active head restraint is rising gradually. The gearbox from ZHAOWEI can enhance its efficiency of active head restraint effectively. The headrest mechanism design includes a control module, a drive motor, and a rod drive mechanism. The control mechanism and the drive motor are connected by signals. The rod drive mechanism comprises an upper cross-linked mechanism arranged in parallel, a lower cross-linked mechanism, and a drive screw connected to the motor. The control module adopts a single-chip computer or an on-board computer to control the forward rotation of the motor when dangerous conditions occur. When two nuts move close to each other, the headrest is deployed through the rod drive mechanism; when the danger eliminates, the two nuts move back, and the headrest is folded by the mechanism. The gear motor here must have low noise, be reliable, responsive, and shock-resistant – ZHAOWEI gear reducer easily masters these features.  

  • Head-up Display

ZHAOWEI has developed a car gear shift solution for HUD flipping. Its reverse gearbox is connected to the supporting frame structure. The entire motor-driven HUD screen flipping mechanism rotates around the center of the circle, which further drives the HUD screen to rotate and flip. Intelligent control to display screen flip angle satisfies different users. Thus, vital information can be shown on the head-up display clearly and accurately.  

  • Adaptive Front-lighting System

ZHAOWEI values the safety of driving at night. Stepper motors are vital parts in helping the headlights to meet the lighting requirements when driving at night. ZHAOWEI AFS drive system optimizes the structure and gear precision of the car headlight regulator motor and gearbox, efficiently improving the situation that gear transmission angle is unstable in the long run and on the pitted road.  

  • Instrument Panel

The electronic speed odometer has progressively replaced the mechanical speed odometer driven by the soft shaft, owing to numerous excellent advantages. However, it still has significant room for improvement. ZHAOWEI micro gearbox can better control the instrument, beats of the stepping motor during the use, as well as the pointer jitter, and decrease the noise during the use of the instrument panel.  

Conclusion

Still, many parts of each automobile need a gearbox, including a damper actuator and car wiper. With the upgrade of 5G commercial and consumer, intelligence has become the trend in different fields. The automobile industry is no exception. Gear motor professionally developed by ZHAOWEI upgrades automobiles, and those who can take advantage of it will seize the opportunities and enjoy a promising prospect. 

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