Page 187 - CITS - Fitter Trade Practical - Volume -2
P. 187

FITTER - CITS




           4   Push lock ring forward to lock. (Fig 5)

             Fig 5

















           Construct a control circuit for the control of a d/a

           pneumatic cylinder with momentry input signals

           Objectives: At the end of this exercise you shall be able to
           •   select the components,to operate single acting cylinder using 5/2way valve
           •  draw circuit diagram
           •  check function of the circuit.

           Requirements

           Tool / Instrument / Equipment / Machines            Material / Component
           •  Trainer board                   - 1 No.          •  P U Tube                        - as reqd.
           •  Pneumatic source                - 1 No.          •  Paper                           - as reqd.
                                                               •  Pencil                          - as reqd.
                                                               •  Single Acting Cylinder          -  1 No.
                                                               •  3/2 way valve                   -  1 No.
                                                               •  FRL                             -  1 No.
            Procedure


           TASK 1:Select and list the components,to operate double acting cylinder using 5/2 way valve.
           1   Identify the components and list using ISO 1219 symbol in the table.
                The instructor shall arrange trainer board with components mentioned.



                              Component                                 Symbol
                         Pneumatic Source
                         Single Acting Cylinder

                         3/2 Way valve
                         FRL




           TASK 2: Draw circuit diagram (Fig 1)





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                                            CITS : C G & M - Fitter - Exercise 89
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