Why is leak testing essential in automation manufacturing & production industries?
Leak testing is a vital part of every quality assurance testing for broad range of industries. In fact, for many suppliers of the automation engineering systems and assembly machine equipments industry, leak testing is very integral part of production. Hundred percent of the machinery parts of automation industry are tested against a leak standard.
The leak testing process involves measuring of the leak rate of a part or product. Let’s find out why leak testing process is a critical one in manufacturing and production automation industries. Here I have listed some common ones:-
1. The process of leak testing ensures that the various toxic, corrosive or flammable chemicals and substances are contained tightly within an object.
2. The testing process makes sure that the elements that are present outside the equipment or object for example water cannot get inside the products or mix with the products.
3. In the automotive industry the process of leak testing ensures that the level of gas or liquid that are essential for the proper functioning of the systems, such as hydraulic valves, brakes, air conditioners etc are maintained within that system for the required period of time.
Leak testing process is carried out by several methods like Pressure Decay Method where the test object is pressurized with air and monitored with a pressure gauge, Water Dunk testing method where amount of bubbles per minute signifies the size of the leak, Testing With Tracer Gases that includes Hydrogen Helium leak testing etc which I will be discussing deeply in my next article. But each method offers the specific advantages and certain drawbacks too. Though practically nothing can be absolutely tight, but the leak testing process will ensure that the part or equipment meets a carefully established specification for maximum allowable leakage.
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