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What is the cause of wrinkling in Aerospace Micro Screws

2025,07,26
During the stamping process of Aerospace Micro Screws, wrinkling sometimes occurs, causing the workpiece to be scrapped. What is the reason?
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Excessive lubricating oil or frequent brushing times, lubricating oil should be used, but not too much; in addition, improper position. The blanking force is not enough, and the gap between the pressing surfaces is not suitable for the "tight inside loose" problem.
The direction of the Aerospace Micro Screws is incorrect. The test blank is too soft, the material strength is low, and the blank size is too small to be pressed. The blank positioning is unstable, resulting in local pressing, inappropriate pressing surface shape and uneven feeding.
The wrinkling phenomenon not only scraps the workpiece, but also affects the processing cost of Aerospace Micro Screws and the waste of raw materials.
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