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Machine tools

NTG-7SA

Grinding machines

  • Distance between centers (in) 24.8
  • Distance between centers (mm) 630
  • Swing (in) Φ13.8
  • Swing (mm) Φ350
  • Grinding wheel diameter (in) 29.9
  • Grinding wheel diameter (mm) 760
  • Grinding wheel width (in) 4.7 (5.9)
  • Grinding wheel width (mm) 120 (150)
  • Circumferential velocity (ft/s) 196.9
  • Circumferential velocity (m/s) 60

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Highly reliable machines from large to small

Reliable and proven cylindrical grinder

  • Since launching the high‑productivity LT004 cylindrical grinder in 1996, we have supported mass‑production machining for a wide range of automotive workpieces.
  • Our machines are trusted for high precision, high rigidity, and long‑term reliability in demanding production lines.
  • The series incorporates our proprietary, proven technologies developed through decades of grinding expertise.
  • A full lineup is available, including plain, angular, and reverse‑angular types to suit diverse manufacturing needs.

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Features and benefits

NTG-7M Series

NTG-7M Series

Highly reliable hybrid type is used for the wheel bearing. The infeed has a highly rigid, low-vibration V-flat sliding surface. Main spindle models MT-No.4 and No.5 are available.

NTG-7A, 9 series

NTG-7A, 9 series

Hybrid bearings are used for the wheel bearings. Hydrostatic guide is used for the wheelhead slide, enabling high-precision fine feed and high-precision machining of medium and large workpieces.

NTG-7S Series

NTG-7S Series

Compact machine with integrated accessory equipment. Highly stable machine with hybrid wheel bearings and a highly rigid, low-vibration V-flat sliding surface for infeed.


Specifications

Metric Imperial (US)
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  • Distance between centers (mm): 630
  • Distance between centers (in): 24.8
  • Swing (in): Φ13.8
  • Swing (mm): Φ350
  • Grinding wheel diameter (in): 29.9
  • Grinding wheel diameter (mm): 760
  • Grinding wheel width (mm): 120 (150)
  • Grinding wheel width (in): 4.7 (5.9)
  • Grinding type: Angular
  • Series name: A
  • Adoptable models: NTG-5A / NTG-7A / NTG-7MAS / NTG-7SA