Abstract
To find and compensate the dynamic contour error of workpieces on CNC non-circular grinder, a graphic display and evaluation method is introduced. The programmed set and actual contours of workpiece are displayed through the outlines of grinding wheel at a series of set and actual positions. The dynamic contour error can be recognized directly on CNC control screen without extra measuring equipments as usual. The set and actual positions of grinding wheel related to workpiece are collected from the CNC controller and servo drives and further evaluated. This process is carried out after a dry-run cycle on the machine. Based on this method, a display and evaluation software module has been developed and integrated in the controller of a CNC non-circular grinder. It helps to find contour error and generate the compensation data. Grinding an eccentric test piece shows good result and advantage of the proposed method.
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Huan, J., Ma, W. Method for graphically evaluating the workpiece’s contour error in non-circular grinding process. Int J Adv Manuf Technol 46, 117–121 (2010). https://doi.org/10.1007/s00170-009-2074-z
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DOI: https://doi.org/10.1007/s00170-009-2074-z