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How to disassemble and assemble the four-column hydraulic oil cylinder

by:WORLD     2022-10-17
How to disassemble and assemble the four-column hydraulic oil cylinder

How to disassemble and assemble the four-column hydraulic oil cylinder? In general, the cylinder of the four-column hydraulic machine will not be easily moved. The oil cylinder must be disassembled and assembled when it is thoroughly cleaned or replaced. Due to the high pressure in the hydraulic circuit, in order to ensure the safety of operation, the hydraulic circuit should be drained first. For safety reasons, it is necessary to disassemble and assemble the oil cylinder correctly according to the regulations.

1: Loosen the handwheel or pressure regulating screw of the four-column hydraulic press, cut off the power supply and stop after unloading the pressure; the operator should be slow to prevent the surface of the piston rod and the top thread, as well as the oil port thread and the inner wall of the cylinder liner, etc. If unnecessary damage is caused, the piston rod can be prevented from being bent or deformed by a skid support; then, due to the different specifications of the four-column hydraulic press, the cylinder structure and size are also different, but the working principle of the hydraulic press is basically the same, first let off the oil in the cylinder and remove it. Remove the cylinder head, piston and piston rod. It is forbidden to use a flat shovel for disassembly. Use screws to push out the flanged end cover. Do not use brute force to keep the surrounding environment hygienic. The disassembled parts should be covered with plastic sheets. ;

2: Check the dismantled parts to determine which ones can be used and need to be repaired or replaced. Please install them after cleaning. Use a special wrench to tighten the threaded connections. The torque must meet the standard requirements. After the four-column hydraulic press is assembled, the piston When the components are moved, there should be a monthly blockage or uneven resistance. The oil inlet and outlet joints must be fastened with sealing rings to prevent oil leakage. Under the condition of low pressure, perform several reciprocating movements to remove the gas in the cylinder to ensure that the assembly requirements are met. Then it can be put into production.

When disassembling and assembling the four-column hydraulic oil cylinder, the operator is not allowed to wear gloves, it is forbidden to use fiber fabrics to wipe the parts, and it is forbidden to use an iron hammer to beat. , to prevent dust and debris from entering the hydraulic press. WORLD Press Machine official website, please indicate the source for reprinting!

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