Task 1a : (LO 1: 1.1 )
Sketch all 10 of the following and briefly describe only (7 of your individual choice). You are to use correct symbols and terminology.
1) 3/2 spring return operated by push button 2) 5/2 Pilot operated DCV 3) 5/3 Pilot operated spring return to centre (all ports closed) DCV 4) Dual Pressure Valve ( “&” function/gate) 5) Shuttle Valve (“Or” function/gate) 6) Air service unit 7) 5/2 Solenoid operated DCV 8) 3/2 P/O Spring Return DCV (Normally open & Normally closed) – 2 sketches required 9) 3/2 spring return operated by roller 10) One way flow restrictor
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Task 1b : (LO4: 4.1,4.2 & M2)
Evaluate and justify the choice of fluid power in industry. Provide examples of systems that employ pneumatic and hydraulic fluid power. Discuss the merits of these and justify their choice for the identified examples. Discuss briefly the technical requirements of these systems and explain commercial considerations for your examples. |
Task 1c (LO4: 4.3)
Design and sketch a simple layout for a small scale pneumatic “service system / ring main” of the kind that could be used to support the use of hand held pneumatic tools within a small to medium sized workshop. Explain the purpose of the key components and explain how your system would be installed. Make reference to appropriate H&S legislation, outline the basic safety and maintenance requirements that you would put in place to support your installation. |
Task 1d (LO2: 2.1,2.2 )
Consider the following:
1) Pneumatic accumulator/reservoir 2) Hydraulic reservoir 3) Fluid power pumps 4) Fluid power motors
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