Safety and maintenance of Plasma cutting machine

The plasma cutting machine is a new type of thermal cutting equipment. Its working principle is to use compressed air as the working gas, high-temperature and high-speed plasma arc as the heat source, to partially melt the cut metal, and at the same time to use high-speed airflow to melt the molten metal. The metal is blown away and a narrow slit is formed to complete the cut. 

There are some things to pay attention to during the operation

1. Safety precautions for Plasma cutting machine

2. Maintenance of Plasma cutting machine

Plasma cutting machine safety precautions

Operators must pass relevant theoretical and practical training and pass examinations before they can operate this equipment; Cutting workpieces should be carried out in a well-ventilated environment, and effective measures to enhance ventilation should be taken when the ventilation is poor or when working in containers;

After the plasma cutting machine is powered on, it is not allowed to disassemble the case and touch the live parts (including the nozzle); before replacing the cutting gun parts, the main power supply must be cut off; the operator should wear protective clothing, gloves, shoes, hats, and light-colored masks or protective clothing before working. UV glasses;

There should be no flammable and explosive materials at the plasma cutting machine site; pay attention to protecting the hose and cable of the cutting gun from damage during operation, and take care not to damage the main, accessories, and other items of the cutting machine; 8. When the cutting machine is out of service, the power must be turned off first, and then Turn off the air source; check frequently to keep the equipment in good condition, and protect the neutral wire to be well-grounded.

Maintenance of Plasma cutting machine

All maintenance and inspection must be carried out with the power supply completely cut off. Before opening the case, confirm that the power plug has been unplugged, and perform regular maintenance on the host once a month with dry and clean compressed air to remove dust;

Check and label every quarter. The pressure of the compressed air should be about 0.4 MPa (megapascals), too low or too high may damage the small components in the cutting machine; check the internal circuit connection of the plasma cutting machine once a month to ensure that the wiring is connected correctly and the connector is firm ( Especially for inserting joints or components) if rust and looseness are found, use fine-grained sandpaper lower than P120# to polish away the rusty layer or oxide film, reconnect and fix it;

Avoid liquid or water vapor entering the host. If such a situation occurs, the host should be dried in time, and then use a megger to measure the insulation condition of the cutting machine (mainly between the external connection points), and only if there is no abnormality. Continue to work; if the host is not used for more than one month, place it in a dry place after cleaning and packaging.

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