2016
DOI: 10.1016/j.cirp.2016.04.117
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Diagnostics for geometric performance of machine tool linear axes

Abstract: Machine tools degrade during operations, yet knowledge of degradation is elusive; accurately detecting degradation of linear axes is typically a manual and time-consuming process. Manufacturers need automated and efficient methods to diagnose the condition of their machine tool linear axes with minimal disruptions to production. A method was developed to use data from an inertial measurement unit (IMU) for identification of changes in the translational and angular errors due to axis degradation. A linear axis … Show more

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Cited by 33 publications
(25 citation statements)
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References 8 publications
(9 reference statements)
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“…In particular, abrasive wear, pitting and cracks can cause the loss of preload of the ball screw's nut and lead to lower stiffness. This lowers position accuracy, which eventually causes scraped workpieces [5], [6], [7], [8].…”
Section: A Ball Screw Preload and Degradationmentioning
confidence: 99%
“…In particular, abrasive wear, pitting and cracks can cause the loss of preload of the ball screw's nut and lead to lower stiffness. This lowers position accuracy, which eventually causes scraped workpieces [5], [6], [7], [8].…”
Section: A Ball Screw Preload and Degradationmentioning
confidence: 99%
“…Fig. 2a shows the configuration of the setup including an IMU on the carriage of the linear axis system [16]. As seen in Fig.…”
Section: Experiments For Localized Damagementioning
confidence: 99%
“…Previous work has shown the use of an IMU [15,16] that processes accelerometer and rate gyroscope data to detect changes in the translational and angular error motions due to axis degradation [16,17]. A small calibrated IMU can be permanently integrated within a machine tool; no setup change is required to measure the changing geometric performance.…”
Section: Introductionmentioning
confidence: 99%
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“…Smart tooling and smart machining have tremendous potential and are drawing attention as one of next generation precision machining technologies particularly in the Industry 4.0 context [1][2][3][4][5]. In modern advanced manufacturing, it is becoming an essential trend for machining components with an ever increasing dimensional/form accuracy and finer surface roughness, even surface functionality requirement.…”
Section: Introductionmentioning
confidence: 99%