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Towards a Downtime Cost Function to Optimise Machine Tool Calibration Schedules

Shagluf, Abubaker, Longstaff, Andrew P., Fletcher, Simon and Denton, Paul (2013) Towards a Downtime Cost Function to Optimise Machine Tool Calibration Schedules. In: Proceedings of the International Conference on Advanced Manufacturing Engineering and Technologies. NEWTECH 2013 . KTH Royal Institute of Technology, Stockholm, Sweden, pp. 231-240. ISBN 9789175018935

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A high degree of accuracy of production machines, especially machine tools, is often highly desirable. Understanding capability, maintaining or improving the performance of the machine requires a periodic full calibration. The idea of maintaining machine accuracy by regular calibration is analogous to using predictive maintenance methods to reduce the risk of machine breakdown. Studies in the field of predictive maintenance have resulted in cost calculations for the downtime associated with machine failure.
Models have been presented to determine optimal intervals between repairs by minimising global maintenance costs. However, very little work has concentrated on optimising the frequency of machine tool calibration by assessing the downtime cost considering the contribution of both technical and commercial factors.
This paper presents a cost function that forms the basis of a strategy for scheduling machine tool calibration which takes into account these influences on part tolerance.

Item Type: Book Chapter
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies > EPSRC Centre for Innovative Manufacturing in Advanced Metrology
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Depositing User: Abubaker Shagluf
Date Deposited: 19 Nov 2013 13:40
Last Modified: 28 Aug 2021 19:33


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