Fault identification, diagnosis and compensation of flatness errors in hard turning of tool steels

F. Veiga; J. Fernández; E. Viles; M. Arizmendi; A. Gil; M. L. Penalva

doi:10.1201/9781482266481-37

Fault identification, diagnosis and compensation of flatness errors in hard turning of tool steels

F. Veiga, J. Fernández, E. Viles, M. Arizmendi, A. Gil, M. L. Penalva

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

The motivation of this paper is to minimize the flatness errors in hard turning (facing) operations of hardened tool steel F-5211 (AISI D2) discs using Polycrystalline Cubic Boron Nitride (PCBN) tools with finishing cutting conditions. To achieve this, two strategies have been developed. First an on-line Conditional Preventive Maintenance (CPM) system based on monitoring a parameter that correlates well with the geometrical error, namely, the passive component of the force exerted by the workpiece on the tool. The second strategy is more sophisticated and consists of the development of an on-line Error Compensation System that uses the error value estimated using the first strategy to modify the tool trajectory in such a way that flatness errors are kept within tolerances. Moreover, this procedure allows the life of the tools to be extended beyond the limit established by the first CPM system and also the reduction of part scrap and tool purchasing costs.

Original language	English
Title of host publication	Safety, Reliability and Risk Analysis
Subtitle of host publication	Theory, Methods and Applications: Volume 1
Publisher	CRC Press
Pages	205-210
Number of pages	6
Volume	1
ISBN (Electronic)	9781000116281
ISBN (Print)	9780415485142
DOIs	https://doi.org/10.1201/9781482266481-37
Publication status	Published - 1 Jan 2020

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abstract = "The motivation of this paper is to minimize the flatness errors in hard turning (facing) operations of hardened tool steel F-5211 (AISI D2) discs using Polycrystalline Cubic Boron Nitride (PCBN) tools with finishing cutting conditions. To achieve this, two strategies have been developed. First an on-line Conditional Preventive Maintenance (CPM) system based on monitoring a parameter that correlates well with the geometrical error, namely, the passive component of the force exerted by the workpiece on the tool. The second strategy is more sophisticated and consists of the development of an on-line Error Compensation System that uses the error value estimated using the first strategy to modify the tool trajectory in such a way that flatness errors are kept within tolerances. Moreover, this procedure allows the life of the tools to be extended beyond the limit established by the first CPM system and also the reduction of part scrap and tool purchasing costs.",

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AU - Veiga, F.

AU - Fernández, J.

AU - Viles, E.

AU - Arizmendi, M.

AU - Gil, A.

AU - Penalva, M. L.

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AB - The motivation of this paper is to minimize the flatness errors in hard turning (facing) operations of hardened tool steel F-5211 (AISI D2) discs using Polycrystalline Cubic Boron Nitride (PCBN) tools with finishing cutting conditions. To achieve this, two strategies have been developed. First an on-line Conditional Preventive Maintenance (CPM) system based on monitoring a parameter that correlates well with the geometrical error, namely, the passive component of the force exerted by the workpiece on the tool. The second strategy is more sophisticated and consists of the development of an on-line Error Compensation System that uses the error value estimated using the first strategy to modify the tool trajectory in such a way that flatness errors are kept within tolerances. Moreover, this procedure allows the life of the tools to be extended beyond the limit established by the first CPM system and also the reduction of part scrap and tool purchasing costs.

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Fault identification, diagnosis and compensation of flatness errors in hard turning of tool steels

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