Multistage cylinder retraction

You want to be a machine with three cylinders, A, B and C, and the stroke of each cylinder is about 50 (what about the cylinder diameter? ), cylinder A extends first, then cylinder B and cylinder C extend at the same time after reaching a certain stroke, and then cylinder A, cylinder B and cylinder C retract at the same time when they extend in place, right? . Cylinder A has a magnetic switch (the proximity switch you mentioned), and all three cylinders have magnetic rings (the magnetic rings you mentioned). * * * Three solenoid valves are used, and you want to reciprocate 90 times per minute at the same time, right?

If so, this is a general sequential action cycle. But all this needs to be clearly expressed in the form of pneumatic principle circuit diagram. I'm going to design this pneumatic circuit and send it to you. Can you read the general pneumatic circuit diagram? Please tell me to what extent. I can draw the circuit diagram that is most acceptable to you according to the situation.

Now I will send you the circuit diagram of the cylinder control sequence action for your reference.