At present, CNC flame cutting machines and CNC plasma cutting machines have begun to gain popularity in China's industrial enterprises. The number of CNC cutting machine manufacturers has also grown from the very first to the current hundreds of CNC machine tools. Also gradually mature and stable. However, in the case of the same or similar hardware structure and manufacturing level of the CNC cutting machine, compared to domestic and imported cutting machines, problems such as low cutting efficiency and severe waste of steel products and consumables are common in the use process. several aspects:
First, the instability of numerical control system users in the selection of numerical control CNC cutting machine, due to the blind pursuit of high-level configuration of civilian computers, neglecting the stability of the industrial numerical control system. The use of high-frequency CPU and high-power hard drive, heat. Especially in the summer, the internal heat of the numerical control system is too large, which causes the CNC system and the cutting machine to fail to work properly. In addition, the high-frequency CPU must be equipped with a fan, and the fan is easily worn and has a limited life, which easily leads to damage to the CPU and the motherboard. Damage to magnetic tracks and virus infection caused by the hard disk drive can cause instability of the CNC system and lead to stagnation of cutting production.
Second, without the use of nesting software users did not purchase nesting software when purchasing a CNC cutting machine, but only used CAD software to draw, or call a part library in the CNC system, and manually programmed the XDF image on the CNC system. Material, partial cutting, CNC cutting machine idle time waiting for programming most of the time, leading to a serious waste of steel.
Third, can not achieve automatic cutting CNC system does not have no automatic cutting process and cutting parameters NC library, cutting workers can only rely on experience and eye observation, through manual control of the perforation process, cutting speed and corner acceleration and deceleration, can not be automatically perforated And automatic cutting, CNC cutting machine production efficiency can not be effectively played.
Fourth, single-piece cutting and hot cutting deformation means that each part must be preheated and pierced and cut one by one. Without the use of co-edge, borrow side, bridging, and other college cutting methods, it is not only prone to thermal cutting deformation, but also flame preheating and perforation consumption. Consumables, low cutting efficiency, and severe waste of plasma cutting nozzles.
Fifth, the cutting quality problems such as the part of the cutting point burned and burned, the corners of the parts burned, the cutting surface is too inclined, when the circular part is deformed or not closed, severe errors occur when cutting large-size parts, so that the cutting deformation is not closed Serious quality problems.
The above problems are common in most CNC cutting machine manufacturers. How to effectively solve these problems will directly affect the healthy and sustained development of our CNC cutting machine industry.
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