ã€China Aluminum Industry Net】1. The successful one-time welding effect is better, because the aluminum pipe melting rotary cutter point is too low, when the second reheat, the aluminum tube is easily deformed.
2. The electrode must be evenly coated with flux to ensure the quality of the solder joint.
3, welding torch flame can not be too long, and must be heated with a micro-fire, or dispersant aluminum tube is easy to melt.
4, welding is completed, to wait for the special nylon filament slurry two or three minutes before the cement storage reservoir can be contacted, otherwise easy to leak solder joints.
5, the welding time can not be too long, because the melting point is too low for too long time easily lead to aluminum tube wall melting or thinning, pressure can easily leak.
6, the liner must be placed wet towel, protection in place, because the welding space is very small, so be sure to pay attention to the protection of the refrigerator
7, welding rod can not be used after the first heating gun welding powder, because the electrode melting point is too low.
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