Abstract
To adjust grating eccentricity automatically and improve the accuracy and efficiency, this paper develops the control system of grating eccentric adjustment automatically based on the motion control card. On the basis of the analysis of the functions and characteristics of the DMC motion control card and the closed-loop motion control theory, the grating eccentric adjusting control system based on motion control card is developed, and on account of VC development environment the software development of grating eccentric automatic adjustment system is completed. Experiments show that the system can take the place of manual adjustment to increase accuracy to ±10μm, the adjustment efficiency to reach 30 s/each. This system has been applied in engineering, which can satisfy the requirements of the encoder grating automatic assembly.
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