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Title: Volumetric Calibration And Compensation Of Cnc Machine Tools
Author: Charles Wang, Bob Griffin, John Janeczko
Source: 2000 Measurement Science Conference
Year Published: 2000
Abstract: To achieve higher position accuracy of a machine tool, it is important to measure the volumetric errors and to compensate the volumetric errors provided that the machine tool is repeatable. Described here is a vector method developed by Optodyne. Using the Optodynes laser calibration system and the vector method, the volumetric errors of a Giddings & Lewis, model RAM 630 machine center have been measured. The measured volumetric errors were used to compensate the machine errors and achieved higher volumetric accuracy. The time required to compensate the machine using the vector method is significantly less than that using conventional measurement procedures.

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