[Case Study on the Introduction of YEPKO Processing] Release Improvement

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last updated：Sep 14, 2020

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Improved release properties enable continuous molding! This is a case study on "Countermeasures for release defects in medical filters."

We would like to introduce a case study on "Countermeasures for Release Failure of Medical Filters in Plastic Injection Molding." The surface of the mold used for plastic molding has many polishing scratches, which cause the molding material to stick, resulting in damage to the molded products during ejection, making continuous molding difficult. After treatment, fine burrs and edges were removed, and the metal surface was smoothed and made more slippery, which improved the release and enabled continuous molding. 【Overview of the Plastic Case】 ■ Issues - The surface of the mold used for plastic molding has many polishing scratches, which cause the molding material to stick, resulting in damage to the molded products during ejection and making continuous molding difficult. ■ After Treatment - Release improved, enabling continuous molding. *For more details, please refer to the related link page or feel free to contact us.

Related Link - https://plastron.co.jp/study/study01/

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【Case Summary】 <Countermeasures for Release Failure of Speaker Grills> ■Issues - The mold is made using electrical discharge machining, but due to the countless protrusions, hand polishing was not performed, and it was finished using blasting. - Blasting cannot completely remove the altered layer created by electrical discharge machining. - The residual altered layer causes the molding resin to adhere, worsening the release. ■After Treatment - Even with a mold that has countless protrusions, the altered layer can be easily and reliably removed. - The tribo-finishing effect adds slip properties to the metal surface, improving the release. *For more details, please refer to the related link page or feel free to contact us.