Industrial production many times to use a plasma cutting machine, the use of plasma cutting machine, there is a certain degree of danger to the operator, the main dangers are divided into physical factors as well as chemical factors of two categories. The former has a high temperature arc light generated by ultraviolet, infrared and so on. The latter is the welding aerosol of various components, solid metal iron, manganese, aluminum, chromium, lead, nickel, radioactive elements, etc., gas-phase part of the manganese oxide, hydrogen fluoride, nitrogen oxides and other gases.
In addition, the plasma damage to the human body is also reflected in two aspects, including short-term direct harm and long-term indirect harm: short-term direct harm is that the plasma arc light will be a serious stimulation of the eye, eye damage, mainly due to infrared radiation and ultraviolet radiation emitted by the metal caused. Long-term indirect injury is the plasma arc radiation generated by the long-term effects of cell division, resulting in a variety of sub-healthy state, inhalation of fumes or gases generated in the process. Metal oxides and metal fumes inhaled into the lungs will stimulate the respiratory tract, long-term will cause lesions.
Two, plasma cutting machine safety operating procedures
Plasma cutting machine operation there is a certain degree of danger, so the operator must be trained to understand and strictly follow the plasma cutting machine safety operating procedures:
1, the operator should comply with the general welder's safety regulations, according to the provisions of the wear good labor protective equipment.
2, the operator must be specialized safety and technical training, passed the examination, and obtain a special job operation qualification certificate before going on duty to operate.
3, the equipment is prohibited near the storage of flammable and explosive substances, and should be equipped with fire-fighting equipment.
4, it is strictly prohibited in the cutting machine guide rail, the work surface placed objects. It is not allowed to knock, straighten and trim the workpiece on it.
5, the new workpiece program input, should be the first test run, to confirm that there is no error before putting into operation.
6, before starting the machine, should check the guide rail, rack and bed. Check the air circuit system for leakage, and discharge the accumulated water and impurities in the air storage cylinder and oil-water separator. Check the consumables and torch anti-collision device.
7, after the boot should be manually low-speed X, Y direction to open the machine, check to confirm that there are no abnormalities.
8, manually lift the torch, check the action of any abnormalities.
9, start the plasma generator, should be adjusted according to the thickness of the material air pressure.
10, the cutting process, observe the height adjustment system and dust removal system work properly, there are abnormalities should be immediately shut down to deal with troubleshooting.
11, work, the operator shall not leave their posts, pay attention to observe the operation of the machine tool, so as to avoid the cutting machine out of the effective range of travel or two collision caused by accidents.
12, in the operation of the equipment alarms and other faults, should immediately stop the operation, timely exclusion.