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  6. Universal CNC Internal Grinding Machine STG-6N

Universal CNC Internal Grinding Machine STG-6N

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STG-6N

last updated:Jun 25, 2026

セイコーインスツル 精密デバイス事業部 精機部
セイコーインスツル 精密デバイス事業部 精機部
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Universal high-precision CNC internal grinding machine

A compact universal internal grinding machine that achieves precision and high-efficiency processing for a wide variety of products with an outer diameter of up to 160mm. ● Space-saving design Main body size: 1,600(W) × 1,615(D) × 1,320(H) mm ● Compact size design tailored to factories that prioritize equipment size and corresponding workpiece size ● Standard equipped with a high-output, high-rigidity in-house spindle (SSPG series) that contributes to improved productivity through high-precision and high-efficiency processing ● Chuck size: 6 inches

    Grinding Machine
STG-6N正161031_サイズ小.jpg

Universal CNC Internal Grinding Machine STG-6N

STG-6N正161031_サイズ小.jpg
STG-6N正161031_サイズ小.jpg
  • Related Link - https://www.sii.co.jp/mt/machine-tool/internal_gri…
  • Special site - Product/service details - https://pr.mono.ipros.com/sii/product/

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basic information

【Features】 ● Space-saving design Main body size: 1,600(W) × 1,615(D) × 1,320(H) mm ● Compact size design that is just right for factories focusing on equipment size and corresponding workpiece size ● Standard equipped with a high-output, high-rigidity in-house spindle (SSPG series) to contribute to improved productivity through high-precision and high-efficiency machining ● Chuck size: 6 inches *For more details, please contact us or refer to the catalog.

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Applications/Examples of results

Inner surface grinding of various parts - Various machine parts - Automotive parts - Construction machinery parts - Parts for hydraulic and pneumatic equipment - Mold parts - Collets - Ring gauges - Gears, etc. Also compatible with difficult materials such as ceramics.

catalog(3)

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Grinding Machine Comprehensive Catalog

Grinding Machine Comprehensive Catalog

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CNC Internal Grinding Machine STG-6N

CNC Internal Grinding Machine STG-6N

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Universal Internal Grinding Machine STG Series

Universal Internal Grinding Machine STG Series

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News about this product(2)

Notice of Participation in MEX Kanazawa 2025 (61st Kanazawa Machine Industry Exhibition) from May 15 (Thursday) to May 17 (Saturday), 2025.

  • Seminar・Event

Seiko Instruments Inc. will be exhibiting at "MEX Kanazawa 2025 (the 61st Kanazawa Machine Industry Exhibition)" held at the Ishikawa Prefectural Industrial Exhibition Hall. At our booth, we will not only showcase high-precision and high-speed CNC internal grinding machines designed for internal processing that requires high machining accuracy, such as hydraulic components for construction machinery and automotive parts, but we will also display our completely in-house manufactured high-frequency spindles that support up to 150,000 RPM, featuring high precision, high rigidity, and long lifespan. We look forward to presenting proposals for achieving even higher machining accuracy and faster processing. We sincerely await your visit.

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Notice of Participation in "Grinding Technology Japan 2025" from March 5 (Wednesday) to March 7 (Friday), 2025.

  • Seminar・Event

Seiko Instruments Inc. will be exhibiting at "Grinding Technology Japan 2025," held at Makuhari Messe in Chiba Prefecture. This exhibition will not only present advanced information on grinding processing technology and tool manufacturing technology but will also provide information on skills and know-how. We will also be hosting the "Grinding Concierge," among other opportunities for discussion in various settings. We look forward to your visit.

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Company information

セイコーインスツル

セイコーインスツル 精密デバイス事業部 精機部

Industrial Machinery

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Seiko Instruments offers various grinding machines that achieve precision and high-speed processing based on the technology cultivated in watch manufacturing. We provide compact and energy-efficient internal grinding machines that are friendly to the factory environment, utilizing expert craftsmanship.

Product/Service List (39)

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