Increasing the accuracy in grinding process
by Paul Helmut Nebeling
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 4, No. 6, 2011

Abstract: Increasing the accuracy and productivity of grinding machines depends on many influencing factors. In this article, some effects in the area of thermal behaviour, control, geometrical and kinematic deviations are considered. Thermal effects have been investigated in several research projects in the past. Despite this fact, there are uncertainties which are not known and lead to bad quality of the workpieces (e.g., geometric dimensions, surface quality). They occur mainly by the fact that the complexity of the machine tool structures is not controlled. Other influences like geometric and kinematic inaccuracies, imbalance and runout of grinding wheels are also discussed. Control units of the machines have been significantly improved in the past. They can influence the quality of the workpieces strongly. Together with the machining strategy, which is given by the CAM-software, the accuracy can be improved. Decoupling of physical effects and machine accuracy are the overall goal. Significant improvements in different fields are presented. At last it is shown how the quality of cutting tools can be measured inside the machine. Starting with measurement results and taking into account grinding technological parameters good quality is achieved.

Online publication date: Sat, 07-Mar-2015

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