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  5. Processing Contract
  6. [Processing Examples] Milling Processing and Drilling Processing

[Processing Examples] Milling Processing and Drilling Processing

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last updated:Sep 25, 2025

大窪鐵工所
大窪鐵工所
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Using a custom jig to reduce distortion! Machining with a Φ200 milling cutter in one pass.

We would like to introduce a case study of milling and drilling processing at Company A, a comprehensive engineering manufacturer. This case study is from the third factory of Okubo Iron Works. In the processing of the material "FCD450," we used a custom jig to meet the customer's quality requirements and reduce distortion. We achieved the required flatness and surface roughness without leaving cutter seams. 【FCD450 Case Overview】 ■ Material: FCD450 ■ Processing Method: Milling and Drilling ■ Key Points during Processing (Milling) - Used a custom jig to reduce distortion and performed single-pass processing with a Φ200 milling cutter. - Achieved the required flatness and surface roughness without leaving cutter seams. *For more details, please feel free to contact us.

    Processing Contract
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[Processing Examples] Milling Processing and Drilling Processing

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  • Related Link - https://www.okubotk.co.jp/

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Headquarters Factory: Rebar cutting, lathe, machining, grinding, welding, painting Second Factory: Lathe, machining, surface grinding, wrapping Third Factory: Machining, cleaning, assembly, inspection Fourth Factory: Lathe, machining, assembly, painting Fifth Factory: Lathe, machining All factories are located within walking distance!

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Introduction materials for Okubo Iron Works, Factory No. 3

Introduction materials for Okubo Iron Works, Factory No. 3

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Okubo Iron Works Co., Ltd. Company Profile

Okubo Iron Works Co., Ltd. Company Profile

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大窪鐵工所

大窪鐵工所

Machine elements and parts

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Founded in 1948, we are a specialized manufacturer focused on precision machining. For over 70 years, we have been committed to "high precision and high quality," accumulating numerous achievements in the processing of construction machinery parts and hydraulic equipment parts. - Material procurement (general steel, special steel, castings, etc.) - Bar cutting - General heat treatment (quenching, nitriding, carburizing, high-frequency hardening, etc.) - General surface treatment (painting, plating, Parkerizing, deflaking, etc.) - NC lathe, machining center, grinding, welding, etc. We can arrange and manage all processes in-house. Leave everything to us! With a comprehensive set of inspection equipment and a quality management system based on ISO 9001, we guarantee high precision requirements with quality control honed through long-term transactions with renowned top manufacturers. Whether for prototypes or mass-produced items, please feel free to consult us regarding any machining concerns!

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【FAQ】Resolving Questions about Okubo Iron Works! We will answer frequently asked questions!
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