ミヤマ精工 Official site

Precision cold forging [Deburring of holes in fuel injector components]

We manufacture precision products that keep the wobble rate to 5/100 and the coaxiality to 0.05 millimeters or less!

We would like to introduce a development case of burr-free processing of fuel injector parts using precision cold forging. The aim of the development is to achieve penetration of fine deep holes through diameter reduction extrusion, eliminate cutting for the inner diameter of fine deep holes, and abolish punching in the middle section of fine deep holes. Additionally, our company specializes in creating long, thin hole shapes and can handle special materials that require hardness and are difficult to process, such as stainless steel, ferritic, and martensitic materials. [Development Aims] - New Method: Penetration of fine deep holes through diameter reduction extrusion - Improved Accuracy and Cleanliness: Elimination of cutting for the inner diameter of fine deep holes - Novelty: Abolition of punching in the middle section of fine deep holes *For more details, please refer to the related links or feel free to contact us.

Related Link - https://www.miyama-grp.co.jp/technology/index.html

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Introduction to Press Technology

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Miyama Seiko Co., Ltd. Company Profile: Mold Manufacturing, Progressive Press, Cold Forging

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