In many vacuum-lifting applications, air leakage is experienced through interconnecting pipe work, porous product materials, or vacuum suction cups that are not properly sealing against the product being handled. Leakage is inversely proportional to the vacuum level of the system, which determines the applicable lifting force of the vacuum suction cups. Increased leakage results in decreased lifting force. Therefore, minimizing or eliminating leaks to provide acceptable and reliable vacuum levels is crucial. This article discusses fundamental methods to achieve that goal.
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