Aluminum Alloy Thickness Deviation Deviation Specification Requirements-Aluminum Profiles SUPPLIER
Author： WJW Aluminum Window Manufacturers
If you want to buy aluminum alloy profiles, you need to understand the requirements of the thickness deviation. Fortunately, there are several available standards. This includes ASTM B317/B317M-15, covering structural profiles and extrusion parts. The thickness of these profiles varies from type and application. Here are some general requirements: the tolerance range of a specific size depends on the metal used.
For example, standard tolerances are suitable for average contour, and accuracy tolerances are more professional. However, the tolerance range required for radical contour features may be different from the tolerance for the average contour.
Generally speaking, the thickness deviation of aluminum alloy profile is based on the sum of the size of the two components. In order to obtain high -level accuracy, the process used for squeezing should be controlled to adapt to the variability of materials and squeezing processes. You can use squeezing-suppression quenching method instead of the furnace solid solution heat treatment. However, it is not necessary to keep these practices consistent with AMS 2772. The thickness deviation of aluminum alloy profiles can be increased by multiple methods, including stretching or annealing. Cold -rolled molding technology is a popular method for making aluminum alloy products.
However, this method has its limitations, including the formation of shape defects, which may be caused by improper selection of the belt or too fast. This study aims to determine whether there is a longitudinal bow and how to eliminate it. The researchers also checked the thinner position and playback. In order to test these effects, the commercially available AA5052-H32 aluminum alloy board was conducted in room temperature stretching test. Use digital image -related (DIC) technology to evaluate this process to obtain complete displacement and strain data. Studies have shown that aluminum profiles will have obvious thickness deviations. This deformation is caused by multiple stages in the squeezing process. This flow law is very complicated, and the parameters of molds and extrusion processes play an important role in their performance.
Therefore, this process must be accurately controlled to produce high -quality aluminum profiles.
In addition, low consumption is an important guarantee for quality. These requirements are the basis of the specifications of high -quality aluminum alloy. AMS QQ-A-200/8A is the standard for aluminum alloy profiles. It contains the general requirements of aluminum alloys and is suitable for squeezing aluminum and hard aluminum. It also aims to specify thermal treatment practice and timeliness requirements of aluminum alloy profiles. This standard also stipulates many other requirements related to aluminum alloy. These include high temperature measurement, quenching control, statistical process verification and internal methods.
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