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CNC flame cutting machine uses cutting gas need to pay attention to maintaining these parts
2019 / 09 / 25
The use of CNC flame cutting machine is extremely important for cutting gas. It is also necessary to pay attention to the routine maintenance and troubleshooting of the gas pipeline gas path of the equipment. 1, gas system failure repair There are two main aspects of common airway maintenance. Except that the airway system can be inspected frequently, it is found that the air leaking and parts that cannot be used normally should be treated in time to ensure that the airway is unblocked; the dust and debris of the airway should be wiped off frequently. Prevent premature aging of the gas path. 2, the failure repair of the pressure reducing valve The CNC cutting machine should first adjust the pressure reducer for the fault repair of the pressure reducing valve, adjust the pressure gauge to the required pressure, and make the pressure from small to large during the adjustment process to ensure that the pressure reducer can be continuously adjusted. If the pressure cannot be continuously adjusted or the gas leaks from the safety valve, a new pressure reducer must be replaced. Fitting the parts of the gas pressure reducer yourself will result in equipment damage and even serious personal injury. 3. Maintenance of tempering preventer The tempering preventer is an important part to ensure safety. According to the requirements of the safety department, the tempering preventer is strictly prohibited to be dismantled. Therefore, the tempering preventer uses a long-lasting air resistance to ensure that the gas flow rate is not required or leaks. Be sure to replace it with a professional. 4, torch cutting nozz
Which kinds of gases are commonly used for CNC flame cutting machine cutting?
2019 / 01 / 16
The CNC flame cutting machine can use three main air sources. 1. Industrial acetylene: Acetylene is also called calcium carbide gas, and its quality is lighter than oxygen. It is colorless at normal temperature and pressure. It is a dangerous explosive gas. When the temperature exceeds 200-300 degrees, acetylene will undergo an exothermic polymerization, and the heat will be released and further polymerized. If the heat cannot be quickly eliminated during this process, the increase and acceleration of the polymerization will increase the temperature of the acetylene, resulting in a hazard. Industrial acetylene, which contains a large amount of impurities, such as hydrogen sulfide, phosphine, etc., has a strong pungent odor. Acetylene has the highest solubility in acetone, and bottled acetylene is stored and transported by its solubility in acetone. 2. Industrial oxygen: Oxygen is a colorless, odorless gas that cannot burn itself. It is a lively combustion-supporting gas. The oxygen tank has a maximum pressure of 150 atmospheres and a volume of 40 liters. A pressure reducer is provided at the outlet of the oxygen cylinder to reduce the high pressure oxygen to the required working pressure, about 3-4 atmospheres and to stabilize the pressure. 3. Propane: a colorless, odorless gas at room temperature. Flammable, explosive, and chemically stable. Decomposed to ethylene and ethane at 650 °C. Propane is mainly found in oil gas, natural gas, and refinery gas. Mixing with air can form an explosive mixture. In case of heat and open flame, there is a
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