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What Is a Door Actuator?

Author: Cherry Bao
by Cherry Bao
Posted: Jan 25, 2014

A door actuator is an electronic device used to release a passenger vehicle door latch and is typically programmed to activate by a manual button or switch, as well as by a radio signal. The door actuator can allow a vehicle owner to open a vehicle door via a wireless remote. Mounted inside of the door framework, the door actuator operates on a push or pull principle, depending on the latch operation method. While the unit used to operate a door latch is commonly larger than the actuator used to lock and unlock a door, it is typically the same size as a trunk release actuator.

On some better-equipped vehicles, an automatic door opening system is a valued option. This system uses a door actuator device to release the door latching system. Also common with this option is another device, known as a popper button, that pushes the door open slightly once the door actuator has been activated. On some vehicles, the door opening actuator will also power the door locks so a single push of a button will both unlock and open a vehicle'sdoor. On other vehicles, the door lock is operated independently of the door-opening feature.

This feature is also available as an add-on option for many vehicles and is also popular among custom automobile owners. Whether installed at a new vehicle dealership, an automobile customizing shop or as a factory option, the feature works in the same manner. Power activation from the push of a button in the vehicle or by a radio wave sent from a wireless remote control switch for automatic door provides the actuator with the energy to move an actuator rod to open the door latch mechanism. A solid steel rod or a chain/cable attached to the door latch at one end and to the actuator at the other is pushed or pulled as the door actuator is energized, thereby opening the door.

When deciding whether to add power door-opening devices onto a new vehicle purchase, many customers find it is more economical to purchase the vehicle without the option and have it installed at an aftermarket dealer. The automobile manufacturers often wire the vehicle with the correct wiring harness already installed inside the door. This is to offset the additional cost of having individual wiring harnesses for all option levels. In some vehicles, the door actuator itself is installed with the door and all that is required to use the door opener is the installation of an upgraded switch panel and an aftermarket, wireless remote control.

About the Author

Cherry Bao,is a Chinese, who is major in Machinery and Automation and working in an export corporation which provides Automatic sliding door, Automatic Swing Doors, Automatic hospital doors and electric swing gate etc.

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Author: Cherry Bao

Cherry Bao

Flag of China
China

Member since: Jan 10, 2014
Total live articles: 2

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