We first understand the scope of application of CNC flame cutting machine, CNC flame cutting machine is mainly used for cutting ordinary carbon steel plate thickness of 6mm-180mm workpieces. The thermal deformation of workpieces with a thickness of 0.1mm to 5mm is quite severe. Therefore, at this time, it is necessary to consider purchasing a CNC cutting machine equipped with a 60 amp machine plasma power supply, and then the CNC plasma cutting machine. Cutting range: CNC plasma cutting machine can be used for non-ferrous metals (such as stainless steel, copper, aluminum, etc.) that can not be cut by common carbon steel plates and flame cutting machines, mainly because flame cutting can not oxidize the surface of non-ferrous metals and cannot complete cutting. The plasma is not obvious when the sheet is cut (for example, workpieces below 5mm). Therefore, the thicker the workpiece, the larger the groove. This is related to the matching of the plasma power supply (domestic plasma power supply and imported plasma power supply The difference is that there are differences between ordinary plasma power supplies and fine plasma power supplies, and slags and burrs are not the same.
Then talk about the scope of application of CNC flame cutting machine and plasma cutting machine, let's talk about the cost of CNC flame cutting machine and plasma CNC cutting machine in the specific use process:
First, flame cutting:
It is better to cut medium-thickness steel plates, and there is no V-shaped groove on the cut edge, and the maximum can be cut about 200mm, but the deformation of the steel plate below 5mm is larger.
Cost: A bottle of acetylene every 8 hours and a bottle of oxygen for 2 hours. Acetylene 78 yuan / bottle, oxygen 16 yuan / bottle.
8 hours work cost: 78 yuan * 1 bottle + 16 yuan * 4 bottles = 142 yuan II, plasma cutting:
Although plasma power manufacturers claim that they can cut to 100mm, in actual cutting, more than 10mm is more difficult. Cutting below 20mm is particularly advantageous, fast, and small deformation. When the plasma is cutting the thick plate, the cut has a V-shaped groove. But for stainless steel, aluminum, copper and other non-ferrous metals, flame cutting can not!
Cost: Take 6KW power supply as an example, cut the board below 20mm, the cost is 6KW per hour, 48KW per shift, to 1.00 yuan/kWh, electricity 48 yuan. Electrodes, nozzles are about 15 yuan per set (domestic) and can work for about 3 hours.
8 hours working cost: 48KW * 1 yuan / KW + 15 yuan * 2.6 = 48 yuan + 39 yuan = 87 yuan.
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