Test and Analysis of Machine Center's Principal Spindle Dynamic Errors

Li, Kuo; Liu, Chun Shi; Tan, Zhi; Zhou, Shuai

doi:10.4028/www.scientific.net/amm.364.163

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2014

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“…Hu Zhanqi and Liu Jinchao [4] have analyzed the influence of kinematic pair wear to the stability of accuracy based on the theory of multi-body kinematics. Liu Kuo [5][6][7] has studied main spindle's dynamic errors and accuracy stabilization.…”

Section: Introductionmentioning

confidence: 99%

Test Research of Vertical Machine Center's Geometrical Accuracy Stabilization

Chen¹,

Liu

et al. 2014

AMR

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Domestic CNC machine tool and NC machine tools abroad's main gap is accuracy stabilization rather than accuracy. Accuracy stabilization test is done on some three-axis vertical machining center aiming at the status. Laser interferometer is used to test X, Y, Z axis's positioning accuracy, repeat positioning accuracy and reverse gap. The test is done taking 80 days as the period. The accuracy test results is analyzed. From the positioning accuracy, repeat positioning accuracy and reverse gap curves we can see that, because of the factors of machine's use and temperature's change, X, Y, Z axis's positioning accuracy changes violently, repeat positioning accuracy and reverse gap change a little.

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Section: Introductionmentioning

confidence: 99%