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1. Butt welder collision welding machine 2 Oil pressure drawframe hydraulic stretching machine 3 Pressure weld sealer
2. Does argon arc welding require gas?
Argon arc welding does indeed require gas, which is determined by its working principle, but can significantly reduce gas consumption through correct operation and selection of appropriate equipment. TIG welding requires a continuous flow of argon or mixed gas to protect the molten pool and tungsten electrode from air pollution, which results in a generally higher gas consumption than MIG welding or FCAW welding. Usually, the gas utilization rate of manual argon arc welding is only about 30% -50%, and most of the gas is lost to the surrounding air. The key factor affecting gas consumption is the gas flow rate setting, which is the primary factor. Low flow rate can lead to poor protection and oxidation of welds; If it is too high, it will result in waste. For most manual welding, a flow rate setting of 8-15 liters per minute (L/min) is a common range. The diameter of the welding gun nozzle is also important, the larger the diameter, the greater the amount of gas flow required to maintain effective protection. In addition, the operating habits of welders have a huge impact. Forgetting to close the gas valve when not welding (such as adjusting the workpiece or resting) can result in the loss of gas in vain. The distance between the welding gun and the workpiece is too far, and a larger flow of gas is required to form a protective layer. 2. How to effectively save gas? The use of hysteresis gas supply function is very practical. It allow
3. Gas cost estimation: A 40 liter industrial argon gas bottle, with a pressure of about 15MPa, can actually use about 6 cubic meters of gas. Assuming a flow rate of 10 L/min (0.6 m ³/h) and continuous welding, one bottle of gas can be used for approximately 10 hours. According to the current market, the cost of such a bottle of gas varies by region, ranging from around 100 to 200 RMB. Therefore, gas cost is an indispensable part of argon arc welding operation. By optimizing operations, the saved gas costs can be quite substantial.