High-Speed Automatic Tool Change Spindles for milling operations

GMN USA’s high-speed ATC spindles are designed to meet the demands of modern milling. Built for precision, fast cycle times, and seamless integration with CNC systems, our ATC spindles combine speed, rigidity, and reliability to support efficient, high performance machining in dynamic production environments.

HCS Series

High-speed automatic tool change milling spindles with integrated motor. Equipped with an encoder for precise closed-loop operation. This series is available with a rotary coolant union to supply through-shaft cooling to the tool.

  • Sleeve diameter: 80 – 380 mm
  • Speed: max. 75,000 min -1
  • Power: S1 max. 150 kW
  • Torque: S1 max. 1,750 Nm
  • Motor: asynchronous or synchronous motor
  • Tool holder: HSK-A/-B/-E/-F/-T, SK, BT, PSC
  • Lubrication: Oil-air lubrication or grease permanent lubrication

HCS Series

High-speed automatic tool change milling spindles with integrated motor. Equipped with an encoder for precise closed-loop operation. This series is available with a rotary coolant union to supply through-shaft cooling to the tool.

  • Sleeve diameter: 80 – 380 mm
  • Speed: max. 75,000 min -1
  • Power: S1 max. 150 kW
  • Torque: S1 max. 1,750 Nm
  • Motor: asynchronous or synchronous motor
  • Tool holder: HSK-A/-B/-E/-F/-T, SK, BT, PSC
  • Lubrication: Oil-air lubrication or grease permanent lubrication

HC Series

These encoder-less spindles can be operated in an open-loop configuration. The use of pneumatic unclamp units makes HC Series spindles perfect for machines that require a small footprint without the need for hydraulic systems or encoder modules.

  • Sleeve diameter: 80 – 380 mm
  • Speed: max. 75,000 min -1
  • Power: S1 max. 150 kW
  • Torque: S1 max. 1,750 Nm
  • Motor: asynchronous or synchronous motor
  • Tool holder: HSK-A/-B/-E/-F/-T, SK, BT, PSC
  • Lubrication: Oil-air lubrication or grease permanent lubrication

HC Series

These encoder-less spindles can be operated in an open-loop configuration. The use of pneumatic unclamp units makes HC Series spindles perfect for machines that require a small footprint without the need for hydraulic systems or encoder modules.

  • Sleeve diameter: 80 – 380 mm
  • Speed: max. 75,000 min -1
  • Power: S1 max. 150 kW
  • Torque: S1 max. 1,750 Nm
  • Motor: asynchronous or synchronous motor
  • Tool holder: HSK-A/-B/-E/-F/-T, SK, BT, PSC
  • Lubrication: Oil-air lubrication or grease permanent lubrication

UHC Series

Ultra high-speed automatic tool change spindles. With powerful synchronous motors, UHC Series spindles are great for micro-machining or super abrasive applications where both high speed and accuracy are essential.

  • Sleeve diameter: 120 mm
  • Speed: max. 90,000 min -1
  • Power: S1 max. 15 kW
  • Torque: S1 max. 6 Nm
  • Motor: Synchronous motor
  • Tool holder: HSK-E
  • Lubrication: Oil-air lubrication

UHC Series

Ultra high-speed automatic tool change spindles. With powerful synchronous motors, UHC Series spindles are great for micro-machining or super abrasive applications where both high speed and accuracy are essential.

  • Sleeve diameter: 120 mm
  • Speed: max. 90,000 min -1
  • Power: S1 max. 15 kW
  • Torque: S1 max. 6 Nm
  • Motor: Synchronous motor
  • Tool holder: HSK-E
  • Lubrication: Oil-air lubrication

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