Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: (a) Out-of-phase and (b) in-phase sinusoidal cutting paths in MAM

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: Schematic of piezo-actuated modulation system showing the configuration of piezo-actuator, force sensor, preload spring, and moving end. The spring exerts compressive preload.

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: Calibration of piezoelectric actuator of the modulation system: drive voltage–displacement relation for the actuator

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: Calibration of piezoelectric force sensor of the modulation system: (a) schematic of calibration configuration and (b) force–voltage relation for the sensor and charge amplifier system

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: Measured displacement, thrust force, and the resulting chip morphology in drilling Ti6Al4V: (a) conventional drilling (test C1), (b) in-phase MAM drilling (test M1), (c) out-of-phase MAM drilling with insufficient amplitude (test M2), and (d) out-of-phase MAM drilling with sufficient amplitude where discrete cutting occurs (test M5)

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: Comparison of thrust force between conventional drilling and MAM drilling at modulation conditions where discrete cutting occurs

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: (a) Relationship between the thrust force and the system displacement in conventional drilling and (b) relationship between the range of thrust force and the reduction in oscillation amplitude in MAM drilling. Both reflect system stiffness of approximately 16 N/μm.

Date of download: 12/23/2017 Copyright © ASME. All rights reserved. From: Piezo-Actuated Modulation-Assisted Drilling System With Integrated Force Sensing J. Manuf. Sci. Eng. 2016;139(1):014501-014501-7. doi:10.1115/1.4033929 Figure Legend: Variation of the lower bound of thrust force (Ft_min) with the oscillation amplitude (App) in MAM drilling and discrete chips corresponding to data points a–d