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Leak test instrument consultation:
Mr.Zhang:+86 18588293461
Mr.Zhang:+86 18664358455
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Smart home

Air leak testing of electric toothbrush

2018-12-11

Testing principle

Hairuisi sealing tester is a new ,high precision and non-destructive air leak tester .Our air leak tester adopts pressure principle and uses compressed air as the medium to detect leaks. It is a non-destructive testing instrument. The working principle is to apply a certain pressure to the inner cavity or outside of the product to be tested, then close the valve. After a period of stability, measure the change of the air pressure during the detection period and calculate the leakage amount by our precision sensor.This instrument is widely used in the sealing test of open products or sealed products with its high precision and full-featured features.


♦Product description 

The electric toothbrush mainly produces high frequency vibration through the rapid rotation or vibration of the motor core, and instantly decomposes the toothpaste into tiny bubbles and deeply cleanse the teeth.The characteristics of electric toothbrush make its waterproof requirement very high. Manufacturer will test its waterproofness when make production. Manufacturers prefer the new air tightness detection methods compared with the traditional ones.

♦Shape analysis of electric toothbrush

The testing product is a common electric toothbrush, which is wrapped with waterproof silica gel. The switch button is covered with a layer of waterproof silica gel, which has a high degree of structural precision.

 

♦Testing Process 

From the shape of the electric toothbrush, Hairuisi Technology especially customized a special mold for it. Connect the mold with the tooling so that the mold will not move during the testing .

The following is the testing details 



1.Connect the leak tester to the power supply and air supply.At the same time,the fixture and the tester are also connected through the air source,

 so that the our air leak tester can control the fixture.

2.Acoording to the customer's testing requirements and our test experiments on products in the early stage to set the testing parameters on our air leak tester .

3.Put the testing product in the mold and press the start button .the fixture will seal the mold and Certain compressed air will be input from our instrument into the mold.

when input air time finished ,The valve will close and our instrument will measure the change of the air pressure during the detection period and calculate the leakage amount by our precision sensor.


 

when the testing time is finished ,The testing result (OK or NG )will be shown on our screen .

 



 

 

 

 

 

 


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