Sequences of pneumatics
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some sequences of automation operations so that we can automize operation using pneumatics and electropneumatics.
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• Blend Gas Fueling: A Transition Strategy - Page 10
• Performance Metrics: H2 vs. Fossil Fuels - Page 12
• Cost Analysis and Economic Viability - Page 15
• Innovations Driving Leadership - Page 18
• Laminar Flame Speed Adjustment
• Heat Management Systems
• The Donatelli Cycle
• Non-Carnot Cycle Applications
• Case Studies and Real-World Applications - Page 22
• Conclusion: Secure Supplies’ Leadership in Hydrogen Fueling - Page 27
Sequences of pneumatics
- 1. To operate Automation of double cylinders for following sequences – 1. Start A+B+A-B- stop using Pneumatic trainer kit 2. A+B+A-B- Continuous using Pneumatic Trainer kit 3. Start A+B+A-B- Stop solenoid-spring using Electropneumatics. 1.Start A+B+A-B- stop using Pneumatic  Open FLUIDSIM and make connections as shown in fig.1.  Two Double acting cylinders A & B are placed and connected with 4/2 pilot-pilot direction control valves.  Manual start button 3/2 valve is placed and connected to the left of 4/2 valve which was connected to cylinder A. This actuates cylinder A from A- to A+.  Another 3/2 roller valve placed at B+ is connected to the right side of 4/2 pilot valve connected to A. This actuates A from A+ to A-.  3/2 roller placed at A- position is connected to the right side of 4/2 pilot valve connected to B. This actuates the cylinder B from B+ to B-. Fig-1
- 2. 2. A+B+A-B- Continuous using Pneumatic ï‚· Open FLUIDSIM and make connections as shown in fig.2. ï‚· Two Double acting cylinders A & B are placed and connected with 4/2 pilot-pilot direction control valves. ï‚· 3/2 Roller valve is placed at position A-,B-,A+&B+. ï‚· The 3/2 roller valve at B- is connected to left of 4/2 valve to actuate A+ position of cylinder A. ï‚· 3/2 Roller valve at A+ is then connected to the left side of 4/2 valve to actuate B+ position of cylinder B. ï‚· The 3/2 roller valve at B+ gets active and is connected to the right side of the 4/2 valve to actuate cylinder A to position A-. This moves the cylinder B+ to B- position. ï‚· The above series continues making this a continuous circuit of A+B+A- B-. Fig-2
- 3. 3.Start A+B+A-B- Stop solenoid-spring using Electropneumatics ï‚· Open FLUIDSIM and make connections as shown in fig.3. ï‚· When the start button is pressed , signal reaches solenoid A+ since internal relay IR is normally closed. ï‚· A+ gives signal to A+ which activates solenoid B+ since Internal relay IR is again normally closed. ï‚· Solenoid B+ gives power to B+. B+ and A+ together gives to internal relay IR. ï‚· IR then gives signal to A- solenoid and cylinder A retracts to A- position. ï‚· Since A+ is latched with IR . IR remains in power. IR and A- together gives signal to B- and therefore cylinder B retracts to position B-. Fig-3
- 4. Application- Practical application of this circuit – Say, A represents an arm and B represents wrist, Arm moves ahead, wrist closes, arm comes back and wrist opens. This can be compared to a robot arm, which has to hold a work-piece(say-hot) from a conveyor and place it to another conveyor. The worker has button-based control, to move the arm and place the piece on another conveyor.