Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 108, Issue 11-12, Pages 3537-3546Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-020-05411-w
Keywords
Abbe principle; Error compensation; Bryan principle; Machine tool accuracy; DBB method
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The selection of the measurement point is one of the key steps in modelling. The traditional closed-loop control method can enhance the machine tool precision to a certain extent; however, there are some limitations in this technique. This paper presents a method that simplifies modelling a geometric error by integrating the Abbe and Bryan principles. It is found that the modelling accuracy directly affects the machining accuracy, and that the manufacturing process and effect can be simulated using VERICUT. The machining simulation of a hemispherical workpiece provides a theoretical basis for error compensation. A compensation module is integrated into a CNC system, and the effectiveness of error compensation is verified by applying the double ball bar method. The measuring results before and after error compensation are compared, demonstrating that the errors are reduced and compensated successfully.
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