When answering this question, please show that the ram has to overcome a negative force of 4,800 newton.
A ladle as shown in the figure below is used to pass liquid aluminum from a holding furnace into a channel leading to a die-casting machine. This movement of the ladle is enabled by a double-acting cylinder activated by a 4/2-way valve. It must be mentioned that the ladle should not be allowed to dip into the furnace when the valve is in an unactuated condition.
a) Design a circuit diagram to illustrate the working of the ladle. Allow for the fact that the ladle represents a large load.
b) a) Choose the cylinder diameter, given the following data:
· Maximum system pressure p = 3800 kPa
· Required lifting force F = 4800 N.
The system resistances may be ignored
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