How can I modify this drawing to have fail safe

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SUMMARY

The discussion focuses on modifying a pneumatic circuit to ensure fail-safe operation by parking both cylinders in the retracted position upon failure. The primary concern is addressing potential failures, specifically supply power loss. Participants emphasize the importance of incorporating safety mechanisms such as pressure switches and mechanical locks to achieve this goal. The conversation highlights the need for a thorough understanding of pneumatic system design to implement effective fail-safe solutions.

PREREQUISITES
  • Pneumatic circuit design principles
  • Understanding of fail-safe mechanisms
  • Knowledge of pressure switches and their applications
  • Familiarity with cylinder operation and control valves
NEXT STEPS
  • Research pneumatic circuit safety standards and regulations
  • Learn about the implementation of pressure switches in pneumatic systems
  • Explore mechanical locking mechanisms for cylinder retraction
  • Investigate power loss detection methods in pneumatic circuits
USEFUL FOR

Engineers, technicians, and safety professionals involved in pneumatic system design and maintenance, particularly those focused on enhancing safety and reliability in automated operations.

Keeeen
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This pneumatic circuit currently operates both of the cylinders automatically when the start valve is actuated. I want to modify the circuit so it will fail safe and park both the cylinders in the retracted position
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What is your attempt at a solution?
 
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What type of failure(s) are you addressing, i.e. supply power loss or other?
 

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