The vacuum generator is a new, efficient, clean, economical and small vacuum component that uses a positive pressure air source to generate negative pressure, which makes it easy and convenient to obtain negative pressure where there is compressed air, or where both positive and negative pressure are needed in a pneumatic system. Vacuum generators are widely used in industrial automation machinery, electronics, packaging, printing, plastics and robotics and other fields. The traditional use of the vacuum generator is the suction cup, for the adsorption of various materials, handling, especially suitable for the adsorption of fragile, soft, thin non-iron, non-metallic materials or spherical objects. In this type of application, a common feature is that the required suction volume is small, the vacuum requirement is not high, and the intermittent operation.
The working principle of the vacuum generator is to use the nozzle to spray compressed air at high speed, forming a jet at the nozzle outlet to produce enrolling flow. Under the enrolling action, the air around the nozzle outlet is constantly sucked away, so that the pressure in the adsorption chamber drops below atmospheric pressure, forming a certain vacuum.
The function of the vacuum generator is to cooperate with the suction cup for the adsorption and handling of various materials, especially suitable for the adsorption of fragile, soft, thin non-iron, non-metallic materials or spherical objects. In this type of application, a common feature is that the required suction volume is small, the vacuum requirement is not high, and the intermittent operation.
When leakage is considered, the characteristic curve of the vacuum generator is very important to correctly determine the vacuum generator. Leakage is sometimes inevitable, when there is a leak to determine the size of the vacuum generator method is as follows: Add the nominal suction flow and leakage flow, you can find the size of the vacuum generator.
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