GVS 600

Incremental optical scale for CNC machine tools

• Optical scale with glass measuring support, particularly suitable for CNC machine tools.
• Resolutions up to 10 nm.
• Accuracy grade ± 5 μm in the standard version and ± 3 μm in the high accuracy version (± 2 μm for measuring lengths up to 720 mm).
• Non-extendible sealing lips, along the sliding side of the reader head, fixed at the lateral ends.
• Innovative device inside the scale for the disposal of liquids coming from inefficient filtering systems.
• The special sealing lips and the device for the liquids disposal provide an excellent protection of the grating from refrigerant liquids often used during machining.
• Metrological certificate provided with each scale.
• Linear thermal expansion coefficient λ = 8 x 10-6 °C-1.
• Adjustable connecting cable output. Connector inside the transducer.
• Reference indexes at coded distance, or at constant step, with predetermined or selectable positions.
• High accuracy and stability of signals even in case of high speed, strong accelerations and vibrations.
• Protected against inversion of power supply polarity and short circuits on output ports.
• Small size, to allow installation in narrow spaces.
• Interchangeable with the previous model NCS.
• Filtering system for pressurization available on request.

GVS 608

Absolute optical scale for CNC machine tools

• Absolute optical scale with glass measuring support, particularly suitable for CNC machine tools.
• Serial interface SSI-BiSS C (unidirectional), with or without 1 Vpp analog signal, Siemens DRIVE-CLiQ and FANUC α-αi.
• Resolutions up to 10 nm.
• Accuracy grade ± 5 μm in the standard version and ± 3 μm in the high accuracy version (± 2 μm for measuring lengths up to 720 mm).
• Profibus-DP, Profinet, CANopen, DeviceNet and ModBus protocols, through conversion gateways.
• Non-extendible sealing lips, along the sliding side of the reader head, fixed at the lateral ends.
• Innovative device inside the scale for the disposal of liquids coming from inefficient filtering systems.
• The special sealing lips and the device for the liquids disposal provide an excellent protection of the grating
  from refrigerant liquids often used during machining.
• Metrological certificate provided with each scale.
• Linear thermal expansion coefficient λ = 8 x 10-6 °C-1.
• High accuracy and stability of signals even in case of high speed, strong accelerations and vibrations.
• Adjustable connecting cable output.
• Connector inside the transducer.
• Protected against inversion of power supply polarity and short circuits on output ports.
• Small size, to allow installation in narrow spaces.
• Interchangeable with the previous model AGS.
• Filtering system for pressurization available on request.

GVS 900

Incremental optical scale for large machines

• Incremental optical scale, available in a single piece or in modular version for large machines (up to 30040 mm of measuring length or higher on request).
• Application in various industrial fields such as machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
• Stainless steel grating, integral with the machine guide, for an excellent accuracy at any temperature.
• Resolutions up to 0.1 μm. Accuracy grade ± 5 μm.
• Rigidly bound modules, for a perfect seal against liquids and environmental dirty, unaltered over time.
• Reference indexes at coded distance, at constant step, or selectable every 50 mm along the entire measuring length, with Zero Magneto Set device.
• Adjustable cable output, through double connector.
• Wide alignment tolerances.
• Pressurization from both sides of the scale and/or of the transducer.

GVS 908

Absolute optical scale for large machines

• Absolute optical scale, available in a single piece or in modular version for large machines (up to 30040 mm of measuring length or higher on request).
• Application in various industrial fields such as machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
• Stainless steel grating, integral with the machine guide, for an excellent accuracy at any temperature.
• Serial interface SSI-BiSS C (unidirectional), with or without 1 Vpp analog signal, and FANUC α-αi. Direct reading of absolute measure.
• Resolutions up to 0.1 μm. Accuracy grade ± 5 μm.
• Rigidly bound modules, for a perfect seal against liquids and environmental dirty, unaltered over time.
• Adjustable cable output, through double connector.
• Wide alignment tolerances.
• Pressurization from both sides of the scale and/or of the transducer.

GVS 915

Incremental magnetic scale for large machines

• Incremental magnetic scale, available in a single piece or in modular version for large machines (up to 30040 mm of measuring length or higher on request).
• Application in various industrial fields such as machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
• Magnetic band on stainless steel support, integral with the machine guide, for an excellent accuracy at any temperature.
• Resolutions up to 0.5 μm. Accuracy grade ± 10 μm.
• Rigidly bound modules, for a perfect seal against liquids and environmental dirty, unaltered over time.
• Reference indexes at coded distance, at constant step, or selectable every 50 mm along the entire measuring length, with Zero Magneto Set device.
• Adjustable cable output, through double connector.
• Wide alignment tolerances.
• Pressurization from both sides of the scale and/or of the transducer.

GVS 919

Absolute magnetic scale for large machines

• Absolute magnetic scale, available in a single piece or in modular version for large machines (up to 30040 mm of measuring length or higher on request).
• Application in various industrial fields such as machine tools, vertical lathes, gantry machines, laser/plasma cutting machines, robotics, automation, etc.
• Magnetic band on stainless steel support, integral with the machine guide, for an excellent accuracy at any temperature.
• Serial interface SSI-BiSS C (unidirectional), with or without 1 Vpp analog signal. Direct reading of absolute measure.
• Resolutions up to 0.5 μm. Accuracy grade ± 10 μm.
• Rigidly bound modules, for a perfect seal against liquids and environmental dirty, unaltered over time.
• Adjustable cable output, through double connector.
• Wide alignment tolerances.
• Pressurization from both sides of the scale and/or of the transducer.
• Option: 1 Vpp analog signal.