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  6. Technical Document: Technical Information on Preventing Material Buildup

Technical Document: Technical Information on Preventing Material Buildup

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last updated:Aug 20, 2025

関口製作所
関口製作所
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We are providing technical materials to prevent the occurrence of defects caused by scrap during press processing!

The accumulation of scrap during press processing can lead to defects caused by product dents, as well as damage or breakage of punches, dies, and fixtures, making it one of the issues that can result in defects during press processing. Factors contributing to scrap accumulation include adhesion due to vacuum, adhesion to the punch, and lifting caused by compressed air in the die. To dramatically reduce scrap accumulation, it is possible to process the cutting edge of the punch, add air holes to the punch, and attach ejector pins. We are devising ways to implement these countermeasures without needing additional measures after mass production begins, considering when to apply these measures and which methods are the most cost-effective.

    Mold Design
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Technical Document: Technical Information on Preventing Material Buildup

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【About the Presented Materials】 The materials available for download from this page include the following: ● Technical materials on countermeasures for rising costs ● Company introduction materials

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*For more details, please refer to the downloaded materials. Feel free to contact us with any inquiries.*

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Technical Document: Measures Against Casing Upsurge

Technical Document: Measures Against Casing Upsurge

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Company Introduction

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関口製作所

関口製作所

Industrial Machinery

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Our company mainly develops and manufactures production equipment, focusing on precision molds, film punching molds, and press machines. We have factories located in Kanagawa, Tochigi, and Akita, and we supply products both domestically and internationally. By applying our experience and technology, we respond to customer demands and aim for high quality, challenging ourselves in manufacturing with flexible solutions. Please feel free to contact us with any inquiries.

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