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FAQ: Do you know you need to make monthly maintenance for your cnc metal bending machine?
CNC metal bending machine monthly maintenance main focus on more of the internal components of a press brake. Must be sure that all safety precautions have been established before running any sheet metal bending jobs.
Hydraulic bending machine Filters with manual discharge have a button valve on the bottom of the cup. Push the button to drain condensation.
Hydraulic system of hydraulci bending machine: Clean the hydraulic system on the outside (full hydraulic block, valves, motor, pump, pipes, etc.), if there are any oil leakages, avoid contamination when replacing parts, and avoid reducing heat exchange between the circuit and environment.
You must be check all oil pipes, especially shen oil leakage happened. check the full hose lines between the pump and hydraulic propotional valves, they must be replaced immediately. Check the pump, hydraulic blocks and valves, and valves and cylinders for leakage.
Checking Press brake Tank Oil level: Check the oil level on the tank sight glass with the ram up at the upper dead center. If need to fill more oil to the tank, must be use same grade oil and better from same supplier.
If you cnc bending machine has been running over long time already, you better be clean the cylinder rods of dust and dirt. These items can damage seals and cause oil leaks. Oil the rod surface and make the press brake run with no load and at a maximum cylinder stroke for about 5 min. to expel any air bubbles from the full hydraulic system.
The oil level must also be checked after any maintenance work on the hydraulic system.
Hydraulic fittings: After the first month of work, fasten all connections of the hydraulic system. The inspection must only be carried out when the machine is switched off and not under pressure.
CNC Press brake Full electrical system: Disassemble and clean air filters of the electric cabinet ; Ground wires connectiong inspection: At the bottom of the control cabinet between the door and the fixed part of the cabinet, there is a grounding cable indicated by the appropriate symbol.
Gerenal checking: When machine is turning off, check the electrical cabinet and the foot pedal wiring. Clean cables in cable chains in the backgauge, removing dirt and dust.