论文信息 - The influence of geometric errors compensation of a CNC machine tool on the accuracy of movement with circular interpolation

The influence of geometric errors compensation of a CNC machine tool on the accuracy of movement with circular interpolation

In the paper set of the experimental tests was presented in order to determine the cyclic pitch error of the feed screw in CNC machine. Laser interferometer with feedback from rotary encoder was used in the experiment. The results of the cyclic pitch error compensation were presented in the circular interpolation test performed using a telescopic ball bar. Results of the circular interpolation in the mutually perpendicular planes XY, YZ, ZX with and without error compensation were presented. The increase of the axes positioning accuracy in dynamic tests can be determined basing on the experimental results. Moreover, the backlash compensation, positioning and squareness errors are discussed in the paper.

P. Majda

[1] M. Pajor,et al. COMPENSATION OF THERMAL DEFORMATIONS OF THE FEED SCREW IN A CNC MACHINE TOOL , 2011 .

[2] Paweł Grudziński,et al. An analysis of normal contact deformations in the basic model of roller guideway of machine tool , 2009 .

[3] Anthony Chukwujekwu Okafor,et al. Derivation of machine tool error models and error compensation procedure for three axes vertical machining center using rigid body kinematics , 2000 .

[4] B. Powałka,et al. Roundness error prediction in valve seat machining based on cutting force model and machine tool system dynamics , 2008 .

[5] D. Jastrzębski. Modelling of static properties of load-carrying system of machines tools using hybrid finite element method , 2008 .

[6] M. Burdekin,et al. Calibration system based on a laser interferometer for kinematic accuracy assessment on machine tools , 2006 .

[7] Marek Magdziak,et al. Deformations of selected milling cutters while milling Ti6Al4V alloy on a CNC machine tool, experimental tests and FEM modeling , 2011 .