Fundamentally understand the flame cutting machine 1
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The nozzle is a vulnerable part of the CNC flame cutting machine, so we need to choose the right CNC flame cutting machine cutting nozzle according to the material material, thickness and cutting gas, in the actual use process, with the torch, suitable The cutting nozzle can not only optimize the cutting effect, but also minimize the loss of the cutting nozzle.
1. The cutting torch is different in the way the oxygen and acetylene or propane are mixed in the preheating flame. The nature and ratio of the gas are different. The type of cutting nozzle selected will also be different. Users can consult the cutting machine manufacturer or the cutting nozzle supplier. Choosing the right cutting nozzle should be based on the thickness of the cutting workpiece. When assembling the cutting nozzle, the inner nozzle and the outer nozzle must be kept concentric to ensure that the cutting oxygen jet is located in the center of the preheating flame. When installing the cutting nozzle, tighten the cutting nozzle nut.
2. Inspect the injection and absorption conditions The ejector-type cutting torch can be connected to the acetylene pipe after it has been checked by the ejector. The airtight pipe can be easily inserted and unplugged. When using an equal-pressure torch, ensure that acetylene has a certain working pressure. After the ignition of the flame is extinguished, when the preheating oxygen regulating valve is adjusted to adjust the flame, if the flame is extinguished immediately, the reason is that there are dirt in each gas passage or the flare of the nozzle of the injection pipe is not strict, and the torch cover is matched with the inner mouth. improper. At this time, the ejector nut should be tightened; when it is ineffective, the ejector should be removed, the dirt in each gas channel should be removed, and the gap between the torch cover and the inner sleeve should be adjusted and tightened.
3. Treatment of core leakage of cutting nozzle After the preheating flame is adjusted properly, the cutting tip will have a rhythmic "paw, pad" sound, but the flame will not extinguish. If the oxygen is to be cut open, the flame will be extinguished immediately. It is a leak at the cutting tip. At this point, the torch cover should be removed and the tip should be lightly tightened. If it is still ineffective, remove the outer cover and attach it with a rope of asbestos. The handle of the torch head and the torch is not properly handled. Although the flame is normal after ignition, the flame will extinguish immediately when the cutting oxygen regulator valve is opened. The reason for this is that the tip of the cutting nozzle and the torch are not uniform. At this point, the cutting nozzle should be tightened. When it is ineffective, the cutting nozzle should be removed and lightly pressed with fine sandpaper. Grind the tip of the mouthpiece until it fits tightly.
4. TREATMENT OF NC FLAME CUTTING MACHINE FOR TEMPERING When a tempering occurs, the cutting oxygen regulating valve should be immediately closed, then the acetylene regulating valve and the preheating oxygen regulating valve should be closed. When the normal work is stopped, shut off the oxygen regulating valve, and then close the acetylene and preheating oxygen control valve.
The road for cutting machines in China is still being perfected. The major companies can't just be self-employed. They should communicate more, summarize more, and solve the problems they face. This is the last word. We Kunshan special energy automation equipment to provide professional flame cutting machine joining services, welcome major companies to discuss exchanges.
Maintaining the cutting nozzle passages Cleaning the cutting nozzle passages should always be kept clean and smooth. Contaminants in the passageways should be cleared at any time with a pin. Clean the surface of the work piece surface rust, oil and water dirt to be cleaned. When cutting on the concrete floor, the workpiece should be lifted to prevent the scales and slag from splashing on the concrete floor. For details, please see: /
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