High-frequency power supply requirements for the technical difficulty of aluminum welding process, ① use higher frequencies, so that the weld heat affected zone and the inner wall of the narrow current decreases. ② requirement weld power density, the faster welding speed, weld quality is better. ③ tube anode DC voltage for stability smooth Shandong seamless tubes manufacturer, its ripple factor requirement of around 1%. . Squeezing pressure is too low professional production of seamless tubes manufacturer, the welding lower force. Squeeze caused by low pressure factor is integrated seamless tubes, there are factors that have mold on the process. There are several situations: First, squeeze relatively low. To improve the welding force can take the following methods: 1 / thickening of the upper mold 2 / vent holes appropriately reduced 3 / extrusion temperature appropriate to reduce the normal hollow profile extrusion temperature of 460-500 ℃, can be reduced to 420-440 ℃ . This method is very useful in the field. 4 / choose a larger extruder barrel, about to squeeze the profile arrangement on the larger models. 5 / welding chamber to select some deep (through the shunt bridge "sink" approach). But pay attention to Shen bridge will reduce the extrusion force, thus making this method when you want, depending on the circumstances. For a "+ yu" porthole die bridge structure more effective. Jinan seamless tubes _ _ cis Aluminum seamless tubes (view) provided by the Aluminum Co., Ltd. Jinan Heshun. Jinan Heshun Aluminum Co., Ltd. (www.jnhsly.com) (www.jnhsly.cn) is specialized in "aluminum, aluminum, aluminum, aluminum rod, aluminum row, aluminum, aluminum rod, aluminum elbow" of the enterprise the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhang.