Manufacturing and processing contract

早川研磨工業

addressTokyo/Sumida-ku/Tachibana 5-37-2
phone03-3617-1128
last updated：
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早川研磨工業 Product Lineup

1～8 item / All 8 items

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R-shaped tip attachment for ultra-fine pins

Rounding the tip of the ultra-fine SUS straight pin.

The tip of the SUS304 ultra-fine straight pin will be processed with a radius through barrel polishing.

  • Other electronic parts

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Barrel polishing processing items

Case studies available for download: We also handle barrel polishing processing for automotive parts, stationery-related components, and more.

We will continue to uphold our long-standing technology while also focusing on the development of new technologies, so we look forward to your inquiries regarding the processing of new development products. For more details, please download the catalog or contact us.

  • Processing Contract

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Deburring and scale removal, heat treatment coating removal.

Removal of scale formed by heat treatment.

We remove the black film (scale) that forms during heat treatment through barrel polishing. For more details, please download the catalog or contact us.

  • Processing Contract

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Deburring and scale removal, R attachment

Removal of machining burrs and press mold burrs.

Remove burrs created by cutting, machining, pressing, etc., and add an R (rounded) edge to the corners. For more details, please download the catalog or contact us.

  • Processing Contract

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Barrel polishing process for improved surface accuracy.

Processing that smooths the surface and improves surface accuracy.

The precision values vary depending on the material. It smooths the metal surface and improves surface roughness. Conversely, it is also possible to roughen the surface, as in the case of a matte finish. For more details, please download the catalog or contact us.

  • Processing Contract

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Barrel polishing process with black glossy finish

Polish until a black sheen appears on the surface.

This is a processing of stainless steel only. A surface hardening layer is formed through coarse polishing, and it is finished until a gloss is achieved through finishing polishing. It is expected to improve the appearance of design products and enhance corrosion resistance. *This is a technique for small stainless steel products. For more details, please download the catalog or contact us.

  • Processing Contract

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Barrel polishing process - glossy finish

The areas with a glossy finish also achieve surface reinforcement, resulting in a product that is resistant to wear.

Like a mirror finish, it is polished until a gloss appears on the surface. The surface is gradually smoothed out until it reflects light. For design products, this improves appearance, and for functional products, it enhances sliding properties (movement). *It is inferior in both smoothness and gloss compared to a mirror finish. For more details, please download the catalog or contact us.

  • Processing Contract

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Barrel polishing process mirror finish

The surface of the polished area is hard and resistant to scratches.

The surface is finished to be as smooth as a mirror. Surface enhancement is achieved, resulting in a product that is also resistant to wear. The surface is gradually smoothed until it becomes mirror-like (causing reflections). Design products can expect improved appearance, while functional products can anticipate enhanced sliding properties (movement). For more details, please download the catalog or contact us.

  • Processing Contract

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