Aluminum Roller Blind Tubes

Aluminum tube;aluminum pipe
There may be one or more closed through holes, the wall thickness and the cross section are uniform, and are delivered in a straight line or in a roll. Widely used in automobiles, ships, aerospace, aviation, electrical, agricultural, mechanical and electrical, home and other industries.

Welding of aluminum tubes 1 Welding characteristics: Aluminum and aluminum alloys have strong thermal conductivity and large heat capacity, large coefficient of linear expansion, low melting point and low temperature strength. The welding is difficult, and certain measures should be taken to ensure the welding quality. So here is a brief introduction to the correct aluminum welding method.
1. Welding characteristics: Aluminum and aluminum alloy have the characteristics of strong thermal conductivity, large heat capacity, large coefficient of linear expansion, low melting point and low temperature strength. The welding is difficult, and certain measures should be taken to ensure the welding quality.
2. Cleaning of pipe fittings and welding wire, cleaning the surface of the wire and the 50mm sides of the wire with acetone, brushing the surface oxide film with stainless steel wire to expose the metallic luster, cleaning the broken hole must be welded within 2 hours, cleaning A good wire is placed in an unused cylinder and must be used within 8 hours, otherwise it will be reprocessed.
3. The tungsten rod is made of tantalum tungsten rod, the argon gas is not less than 99.96%, and the water content should not be more than 50mg/m3. 4 The ambient temperature is not lower than 5 °C, otherwise it should be preheated to 100~200 °C before welding, relative humidity control.
The welding of aluminum tubes can be welded by the following welding methods
1. Commonly used is argon arc welding. The welding wire is made of 4 series, 5 series, 6 series, which are sold in general hardware stores.
2. The low temperature M51 and M51-F welding wire are operated under the working temperature of 179 degrees. The affinity for the welding materials of 1, 2, 3, 4 and 6 series is better, and it is often used to control the deformation control. , or welding in the case of particularly thin.
3, WE53 low temperature aluminum welding rod for the welding of 7 series of aluminum alloy, the welding working temperature is 380-400 degrees, the advantage is that it does not need to assist any flux welding during welding, thus preventing some flux during the welding process. Residual, and the welding strength is very high, can solve the welding of 3 series aluminum alloy and casting, or die casting.
4, Q303 low-temperature aluminum welding wire for the 1, 2, 3, 4, 6 series of aluminum alloy welding also shows some special advantages in the narrow gap welding is not very good angle.

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