The appearance of streaks on the outer surface of extruded profiles for motor housings
Apr 03,2024
First, there is a seam angle or the impact of poor welding:
Hollow aluminum alloy profile using plane shunt combination die extrusion process, this process in the production of profiles relatively deepen the difficulty, the metal through the shunt, weld joint process, so the hollow profile is the existence of weld line.
There are two reasons for the gap: one is the shunt hole, weld chamber is narrow, metal supply flow is insufficient, the metal in the weld chamber does not form enough hydrostatic pressure, the product is not welded and flow out of the die hole, resulting in the existence of weld gap products; is too much lubrication and poor lubrication.
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