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This paper presents a real way to improve machine tool accuracy using interferometry techniques based on laser tracker as measurement system. This is based on an indirect measurement of the geometric error of the MT; characterizing their combined effect though volumetric verification. This technique can be used to verify all types of machine through its kinematic model, relating measured points with the laser tracker and nominal points. Using non-lineal optimization techniques the differencedoi:10.1016/j.proeng.2015.12.557 fatcat:cxasvvo2cjhzlm3jjeqjekkhea