To maintain the cable tray forming machine in a humid environment, it is necessary to start with multiple systems such as mechanical, electrical, and pneumatic systems to prevent moisture, rust, and corrosion. The specific measures are as follows:
1. Mechanical component protection: After daily shutdown, use a dry rag to wipe the surface of the equipment, focusing on cleaning key parts such as rollers, guide rails, and molds to prevent water vapor from remaining; regularly add waterproof grease (such as lithium-based grease) to transmission gears, chains, screws and other components, and spray anti-rust oil on the exposed metal surface; check the sealing strips at the joints of each component of the equipment, and replace the aging and damaged parts in time to avoid moisture infiltration.
2. Electrical system maintenance: Check the sealing performance of the electrical control cabinet every week, ensure that the cabinet door sealing strip is intact, install moisture-proof silica gel desiccant, and turn on the heating and dehumidification device when the humidity in the cabinet exceeds 60%; use an insulation resistance meter to measure the insulation resistance of electrical components such as motors, cables, and sensors every month, and check the oxidation and rust of the terminal blocks; if necessary, replace the electrical components with moisture-proof types, and wrap waterproof tape around the sensor interface.
3. Maintenance of pneumatic system: Ensure the normal operation of the air source triplex (filter, pressure reducing valve, oil mist collector), manually discharge the condensed water in the gas tank and pipeline before starting the machine every day; install a refrigerated dryer to control the dew point temperature of compressed air below 5℃; inspect the pneumatic pipeline every week to check whether it is damaged, aged or loose, to prevent moisture from entering the cylinder and causing piston corrosion.
4. Shutdown and idle treatment: If the equipment is shut down for a long time, cover it with waterproof canvas or plastic film, and raise the bottom by 10-20cm to avoid direct contact with ground moisture; place moisture-proof bags inside and replace them regularly; start the machine and idle for at least 30 minutes every week to use the heat generated by the operation of the equipment to dissipate the internal moisture.
5. Inspection and record: Establish a special maintenance ledger for humid environments, record the daily temperature and humidity, maintenance items, and equipment abnormalities in detail; increase the inspection frequency during the rainy season or high humidity period, focus on the bottom, back, junction box and other parts of the equipment that are susceptible to moisture, and deal with problems in a timely manner.
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