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This time I used a resistor pneumatic typeAutomatic butt welding machineLet's try welding the 6 series and 7 series aluminum alloy round rods with a diameter of 21mm sent by the customer yesterday. What do you think the effect is?
We have butt welded 1 series, 3 series, 5 series, and 7 series before. The butt welding effect was very good. Its mechanical properties are basically the same as the base metal. Today we butt 7 series again. The 7 series aluminum alloy is 7000, which means it is an aluminum-zinc alloy series such as 7001. The effect is the same, as shown in the picture
6 series aluminum alloy, that is, 6000, represents the aluminum-magnesium-silicon alloy series, such as 6061 and 6063. The test welding butt joint effect is good and the fusion is consistent, but it is easy to break during the strength test. After repeated testing of 5-6 pieces, it is still easy to break.
The original characteristic of material 6061 is that it is a heat-treated corrosion-resistant alloy. Handling with T6 can give you very high endurance values, butThe strength of the welding interface is low, so it is used for screws and nails. No wonder it is easy to break after welding.
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