Patent ID: 6058618
Filing Date: 2000-05-09
Classification: G01B

Abstract:
A coordinate measuring machine (CMM) comprising:a gantry-style base having two individual pillars affixed thereto;a Y-axis beam disposed on each pillar;an X-axis beam extending between the Y-axis beams, the X-axis beam disposed on only three bearings configured to provide a three-point support on the Y-axis beams, wherein the X-axis beam is disposed on two bearings on a first Y-axis beam and only a single bearing on a second Y-axis beam, and wherein the single bearing is compliantly mounted between the X-axis beam and the second Y-axis beam such that the single bearing is permitted to move at least in the X-axis direction while providing stiffness in the Z-axis direction; anda Z-axis carriage for supporting a probe shaft assembly on the X-axis beam.