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ADVANTAGES
No additional controls are required
Short cycle times compared to traditional pick and place
Short cycle times means less leakage on porous product handling
Maintenance and lubrication free
FUNCTION
The vacuum cylinders are in a rest position with piston retracted in the up position (1)
When vacuum is applied, the piston moves downwards (extends) until the vacuum cup which is attached to the piston via the connection thread, seals against the load to be lifted (2)
Both sides of the cylinder are now equalized and the internal spring retracts the cylinder rod to its original position holding the part securely (3)
Once vacuum is turned off the part is released from the vacuum suction cup (4)