In the heat treatment of industrial aluminum
materials, it is very difficult to control the hardness of industrial aluminum materials. When we choose industrial aluminum materials, we also see that many high-quality industrial aluminum profile
materials handle well in terms of hardness. How can the hardness meet the technological requirements? 1. Setting and control of aluminum aging furnace temperature: Generally, there is a certain error between the aging furnace temperature and the apparent temperature of the aging furnace. When setting the surface temperature, it should be set according to the actual temperature of the furnace. 2. Aging and heat preservation of aluminum materials: Aging should be carried out in strict accordance with the process requirements, and the heat preservation time should be appropriate to prevent insufficient hardness due to underaging or overaging. Blank framing, furnace loading 3. Aluminum extrusion framing should not be too dense, and there must be a gap between the materials, especially the small and thick materials that are not ventilated. The gap between the pipe and the small materials and the plate When the materials are assembled in one frame, the tube material is placed underneath, which is conducive to aging and circulating air. 4. Before the aluminum material is loaded into the furnace, the other special alloys of 6xxx and the ordinary 6063 alloy should be separately loaded into the furnace for aging. Due to production reasons, the furnace must be aged in the same furnace, and the special alloy process should be used for aging. The aluminum profile produced by extrusion has low hardness before aging and cannot be used as a finished product. Therefore, in general, it must be aging to increase its strength. Generally, aging can be divided into natural aging and artificial aging. At present, the production of 6xxx aluminum profiles is basically the latter. The hardness of aluminum alloy is closely related to the material and aging treatment. If the hardness is not up to standard, you must change the formula or change the grade. For example, the hardness of the aluminum alloy of the national standard 6063T5 is generally 12, and the hardness of 13.14.15 can only be obtained. Change to high-silicon 6063A, 60616 or 6005T5, but the hardness increases, which may affect the aesthetics of the surface treatment, of course, there are other places to pay attention to. The content of the article is reproduced from Dali Aluminum. The copyright belongs to the original author. The purpose of reprinting is to convey more information. It does not mean that this website agrees with its views and is responsible for its authenticity. If the content of the work, copyright and other issues are involved, please call or write to us, and we will deal with it in a timely manner! http://www.dalilvcai.com/teach/show-htm-itemid-2138.html
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