How to choose wiper blades

      The wiper blade is a commonly used body accessory on the car. Its function is to wipe off the rain on the windshield in rainy weather, and it can also be used to wash the windshield. The power source of the wiper blade comes from the wiper motor, which is the core of the entire wiper blade system. Among them, the quality requirements of the wiper motor used in the wiper system are quite high. It uses a DC permanent magnet motor. The wiper motor installed on the front windshield is usually integrated with the worm gear mechanical part.

      At present, there are roughly two types of wiper blades, one is the traditional intermittent type, which is a common wiper blade, which is adjusted by the driver according to the rain and sight conditions; and the other is the wiper sensor type, which This kind of wiper blades are usually used in medium cars. After a period of use, the wiper blade should be checked and replaced regularly. Generally speaking, wiper blades must be replaced once a year. Regarding how to buy wiper blades, many drivers may be half-knowledgeable. Here, the editor will introduce how to buy wiper blades:

      1. First find out which type of wiper blade your car uses, you can refer to the manual of the car to see the wiper model indicated above. Generally speaking, wiper blades are sold with metal struts, and blades are rarely sold alone. If you are not sure, you can ask the clerk of the parts store to help you identify it;

      2. Pay attention to whether the way the support rod is connected to the wiper rocker arm is matched, because some support arms are fixed to the rocker arm with screws, remember to pay attention when buying;

      3. Pull up the wiper blade and touch the cleaned rubber wiper blade with your fingers to check if there is any damage and what is the elasticity of the rubber blade. If the blade is aged, hardened, and cracked, the wiper blade is unqualified;

      4. During the test, attention should be paid to whether the motor has abnormal noise, especially when the wiper motor buzzes and does not rotate, it means that the mechanical transmission part of the wiper is rusted or stuck. The wiper switch should be turned off immediately to prevent burning the wiper motor.

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