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High Speed Blow Forming Process to Shape Aluminum Containers Using 3xxx Alloys with High Recycle Content
High Speed Blow Forming Process to Shape Aluminum Containers Using 3xxx Alloys with High Recycle Content
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机译:高速吹塑成型工艺使用3xxx合金制成的铝容器具有较高的回收利用率
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摘要
Provided herein is a high-speed blow forming process for shaping aluminum containers using 3xxx can body stock alloys with high recycled content, as well as articles made by that process. A process for shaping aluminum containers as described herein includes the sequential steps of blanking out a disk from a sheet of a 3xxx series aluminum alloy; forming a bottle preform by drawing redrawing, ironing and doming the disk, placing the preform into a mold cavity, applying an axial load to the preform; and injecting an inert gas into the interior of the preform with sufficient pressure until the preform expands to fill the mold cavity.
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