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How To Choose The Wiper Blade?

May 11, 2018

How to Choose the Wiper Blade?


The power source of the wiper comes from the motor, which is the core of the wiper system. The quality requirements of the wiper motor are quite high. It uses a DC permanent magnet motor, and the wiper motor installed on the front windshield is generally integrated with the mechanical part of the worm wheel and worm gear. The function of worm and worm gear mechanism is to slow down and increase twisting, and its output axis drives the four connecting rod mechanism, and the continuous rotation motion is changed to the movement of left and right swing through the four connecting rod mechanism.


There are two kinds of wipers: one is traditional intermittent, and the driver adjusts himself according to the rain and sight condition. Another wiper is an induction type automatic wiper, which automatically adjusts the speed of the wiper operation through the sensor's induction of rainfall. To ensure your driving safety, wipers are best replaced once a year.


But how to choose the wiper blade? First, make sure what kind of wiper is used in your car. Refer to the accompanying manual to see the type of wiper. Pay attention to whether the supporting rod is connected to the wiper rocker arm. Pull the wiper and touch it with your fingers on the cleaned rubber wiper to check if there is any damage and the elasticity of the rubber blade. During the test, the wiper switch is placed at various speed positions to check whether the wiper is at a certain speed at different speeds. Check the water scraping state and whether the scraper bar is uneven or leaky. In the test, attention should be paid to the abnormal noise of the motor, especially when the wiper motor is "buzzing" instead of turning. This indicates that the mechanical transmission part of the wiper is rusty or jammed, and the wiper switch should be closed immediately to prevent the motor from burning.

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