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SGS 4701 Spindle Growth System - By Bestech Australia

Supplier: Bestech Australia

Designed specifically for use in high speed milling machine applications, the displacement measurement system SGS 4701 (Spindle Growth System) is a very useful instrument.

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Due to high machining speeds and the heat generated, the linear thermal extension of the precision machine tool spindle needs to be compensated for in order to keep the tool in a defined position at all times.

The SGS sensor measures the thermal and centrifugal force extension of the spindle. These measurement values are fed into the CNC machine tool as correction values, compensating for any positioning errors.

The SGS 4701 operates on the eddy current measuring principle. This non-contact measurement is wear-free. Furthermore, the measurement procedure is resistant to disturbances such as heat, dust and oil.

The SGS 4701 consists of a sensor, a sensor cable and a controller, factory calibrated for ferromagnetic and non-ferromagnetic measurement objects.

Two miniature sensors enable it to be installed directly in the spindle, where the measurements take place, typically on the labyrinth-ring of the spindle. As well as measuring linear thermal extension, the temperature of the sensor is also detected and output. The compact controller can be installed on the spindle housing via a flange or directly in the spindle.

Features and benefits:

  • Cost-effective design
  • Miniature sensor design
  • Miniature, compact controller
  • Sensor technology can be integrated completely into the sensor
  • Suitable for ferro- and non-ferromagnetic materials
  • Temperature measurement integrated in the sensor

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