Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process

This paper reports the results of research on the influence of the compliance of the technological system used in grinding low-stiffness shafts on the shape accuracy of the workpieces. The level of accuracy achieved using passive compliance compensation was assessed, and technological assumptions we...

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Main Authors: Antoni Świć, Arkadiusz Gola
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/16/4/1498
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author Antoni Świć
Arkadiusz Gola
author_facet Antoni Świć
Arkadiusz Gola
author_sort Antoni Świć
collection DOAJ
description This paper reports the results of research on the influence of the compliance of the technological system used in grinding low-stiffness shafts on the shape accuracy of the workpieces. The level of accuracy achieved using passive compliance compensation was assessed, and technological assumptions were formulated to further increase the shape accuracy of the low-stiffness shafts obtained in the grinding process. Taking into account the limitations of passive compliance compensation, a method for the active compensation of the compliance of the elastic technological system during the machining process was developed. The experiments showed that the accuracy of grinding was most effectively increased by adjusting the compliance and controlling the bending moments, depending on the position of the cutting force (grinding wheel) along the part. The experimental results were largely consistent with the results of the theoretical study and confirmed the assumptions made. Adjusting the compliance in the proposed way allows for the significant improvement in the accuracy and productivity of machining of low-stiffness shafts.
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spelling doaj.art-4855ef3f833e43a1b58c4e93fe0de7cc2023-11-16T21:50:37ZengMDPI AGMaterials1996-19442023-02-01164149810.3390/ma16041498Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding ProcessAntoni Świć0Arkadiusz Gola1Department of Production Computerisation and Robotisation, Faculty of Mechanical Engineering, University of Technology, ul. Nadbystrzycka 36, 20-618 Lublin, PolandDepartment of Production Computerisation and Robotisation, Faculty of Mechanical Engineering, University of Technology, ul. Nadbystrzycka 36, 20-618 Lublin, PolandThis paper reports the results of research on the influence of the compliance of the technological system used in grinding low-stiffness shafts on the shape accuracy of the workpieces. The level of accuracy achieved using passive compliance compensation was assessed, and technological assumptions were formulated to further increase the shape accuracy of the low-stiffness shafts obtained in the grinding process. Taking into account the limitations of passive compliance compensation, a method for the active compensation of the compliance of the elastic technological system during the machining process was developed. The experiments showed that the accuracy of grinding was most effectively increased by adjusting the compliance and controlling the bending moments, depending on the position of the cutting force (grinding wheel) along the part. The experimental results were largely consistent with the results of the theoretical study and confirmed the assumptions made. Adjusting the compliance in the proposed way allows for the significant improvement in the accuracy and productivity of machining of low-stiffness shafts.https://www.mdpi.com/1996-1944/16/4/1498low-stiffness shaftcontrolelastic-deformable stategrindingcompliance adjustmenttechnological methods
spellingShingle Antoni Świć
Arkadiusz Gola
Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process
Materials
low-stiffness shaft
control
elastic-deformable state
grinding
compliance adjustment
technological methods
title Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process
title_full Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process
title_fullStr Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process
title_full_unstemmed Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process
title_short Influence of the Compliance of a Technological System on the Machining Accuracy of Low-Stiffness Shafts in the Grinding Process
title_sort influence of the compliance of a technological system on the machining accuracy of low stiffness shafts in the grinding process
topic low-stiffness shaft
control
elastic-deformable state
grinding
compliance adjustment
technological methods
url https://www.mdpi.com/1996-1944/16/4/1498
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