TIPS IN FURTHER PROCESSING OF ALUMINIUM ALLOY SHEETS

Aluminium alloy sheets are relatively soft compared to metallic iron. They are expensive, easy to break and related to subsequent processing like wire drawing and anodizing sometimes. There factors make them particularly prone to damages and scratches during stamping production. As a leading aluminium alloy plate manufacturer in China, we would like to share tips for further processing of aluminium sheets as below.
1. For the case of not affecting the number of projects, try to arrange the punching in the back of the project as much as possible. Even for products with a large number of punching, you can consider doing another project and punching the punching in the back.
2. The aluminum sheet is soft and the mold is easy to block material, so when designing the mold, the gap between the two sides of the material should be 10%, the knife edge straight depth is more suitable to 2MM, the taper is 0.8-1 ° is appropriate.
aluminium alloy sheets
3.When bending forming, because aluminium alloy sheets are easy to produce aluminum shavings during bending, it will cause point injury and indentation. The aluminum plate raw material needs to be affixed with PE film. In the case of rollers and electroplating, the forming block is polished and hard-chrome plated Better.
4. For the stamping parts that need to be processed after anode, if the flattening and flattening process is 180 °, the product cannot be completely pressed. The full pressing will cause acid spitting, and a seam of 0.2-0.3mm should be left in order to The acid solution flows out smoothly and in time, so in this process, a stop block must be made and the calibration mold is higher than the mold.
5. Because the aluminum sheet is relatively brittle and easy to crack, especially in the case of reverse folding, try not to make the crimping line. Even if you do, make the creasing line wider and shallower.
6.The cutting edge of all aluminum alloy sheets requires slow wire cutting to prevent burrs and blanking.Aluminum plate parts are prone to high temperatures. Therefore, the hardness of the punch must be above 60 °. At least SKD11 should be used. There must be no D2 difference. Quality punch.

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