Design the circuit (pneumatic/hydraulic/electro-pneumatic/electro-hydraulic) for the following problems: 1. A double acting cylinder of pneumatic system will extend when two pushbuttons are pressed. The retraction is done automatically when either one of the pushbuttons is released. 2 A pushbutton is required to extend a cylinder of a pneumatic stamping machine. Once the cylinder at the full extension position, it will wait for 5 seconds before it is automatically retracted. 3. The cylinder extends when two pushbuttons are pressed. The cylinder retracts when the set pressure of 5 bar is achieved. 4. Given a hydraulic system with double acting cylinder. The cylinder extends when the lever is triggered. The retraction of the cylinder is achieved by another lever.
Design the circuit (pneumatic/hydraulic/electro-pneumatic/electro-hydraulic) for the following problems:
1.
A double acting cylinder of pneumatic system will extend when two pushbuttons are pressed. The retraction is done
automatically when either one of the pushbuttons is released.
2
A pushbutton is required to extend a cylinder of a pneumatic stamping machine. Once the cylinder at the full extension
position, it will wait for 5 seconds before it is automatically retracted.
3.
The cylinder extends when two pushbuttons are pressed. The cylinder retracts when the set pressure of 5 bar is achieved.
4.
Given a hydraulic system with double acting cylinder. The cylinder extends when the lever is triggered. The retraction of the
cylinder is achieved by another lever.
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