How to weld the spring tube of the pressure gauge, share this technique today, please see the following:
1. Before welding, grind the dirt and oxides of the welding part with sandpaper, coat the pot of zinc oxide or welding oil, and then weld a layer of solder. Then, the spring tube is inserted into the hole of the socket of the base, and the position is played. Apply a suitable amount of zinc oxide or welding oil and quickly solder with a 300-watt electric iron. After welding, rinse with hot water and blow dry.
2. When welding bulkheads, the movement should be put on, and the connecting rod on the fan-shaped teeth should be used to position the head.
3, after the welding of the spring tube, should be measured at full pressure at the upper limit of 10 minutes, the pressure does not drop to qualified. After passing the welding, black paint is applied to the solder area to provide anti-corrosion.
1. Before welding, grind the dirt and oxides of the welding part with sandpaper, coat the pot of zinc oxide or welding oil, and then weld a layer of solder. Then, the spring tube is inserted into the hole of the socket of the base, and the position is played. Apply a suitable amount of zinc oxide or welding oil and quickly solder with a 300-watt electric iron. After welding, rinse with hot water and blow dry.
2. When welding bulkheads, the movement should be put on, and the connecting rod on the fan-shaped teeth should be used to position the head.
3, after the welding of the spring tube, should be measured at full pressure at the upper limit of 10 minutes, the pressure does not drop to qualified. After passing the welding, black paint is applied to the solder area to provide anti-corrosion.
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