Renishaw Ballbar QC20-W

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Ballbar - QC20-W - Renishaw
West Dundee, IL, USA
Ballbar QC20-W
The QC20-W ballbar system consists of: the QC20-W ballbar (a very high accuracy, telescoping linear sensor with precision balls at each end) two precision magnetic mounts, one attached to the machine table and the other to the machine spindle or spindle housing. In use the balls of the sensor are kinematically located in the magnetic cups. This arrangement enables the ballbar to measure minute variations in radius as the machine follows a programmed circular path around the mount on the machine table. The data collected is sent to a PC, where Ballbar 20 software calculates overall measures of positioning accuracy (circularity, circular deviation) in accordance with international standards or in Renishaw's own analysis reports. This report uses a unique mathematical analysis to diagnose many additional individual machine errors from the set of linear readings. Data is displayed graphically as well as in numeric format to aid and support diagnosis.

The QC20-W ballbar system consists of:

  • the QC20-W ballbar (a very high accuracy, telescoping linear sensor with precision balls at each end)
  • two precision magnetic mounts, one attached to the machine table and the other to the machine spindle or spindle housing.

In use the balls of the sensor are kinematically located in the magnetic cups. This arrangement enables the ballbar to measure minute variations in radius as the machine follows a programmed circular path around the mount on the machine table.

The data collected is sent to a PC, where Ballbar 20 software calculates overall measures of positioning accuracy (circularity, circular deviation) in accordance with international standards or in Renishaw's own analysis reports. This report uses a unique mathematical analysis to diagnose many additional individual machine errors from the set of linear readings. Data is displayed graphically as well as in numeric format to aid and support diagnosis.

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Technical Specifications

  Renishaw
Product Category Calibration Instruments
Product Number QC20-W
Product Name Ballbar
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