NDLI: Speed-dependent tool tip compliance measurement of a high-speed machine tool spindle using an active magnetic bearing (AMB)

Content Provider	IEEE Xplore Digital Library
Author	Hyeong-Joon Ahn Jin-Hyun Kim Joon-Jae Lee Jong-Hyuk Kim Dong-Young Jang Dong-Chul Han
Copyright Year	2005
Description	Author affiliation: Sch. of Mech. & Aerosp. Eng.,, Seoul Nat. Univ. (Hyeong-Joon Ahn; Jin-Hyun Kim; Joon-Jae Lee; Jong-Hyuk Kim)
Abstract	In this paper, we proposed a new measuring method of the speed-dependent tool tip compliance of a high-speed machine tool spindle using an AMB (active magnetic bearing). Single sine wave current excitation is injected through the AMB, and the displacement and force responses are measured with a CCS (cylindrical capacitance sensor) and a dynamometer, respectively. Then, the tool tip compliance can be estimated accurately without any phase delay by dividing the frequency response from the current to the displacement by that from the current to the force. A flexure test rig was designed to represent dynamics of a machine tool spindle and the feasibility of the proposed measuring method was proven experimentally comparing with the impulse test Finally, the tool tip compliance of a high-speed machine tool spindle was measured successfully using the proposed measuring method
Starting Page	1103
Ending Page	1108
File Size	557690
Page Count	6
File Format	PDF
ISBN	0780390474
DOI	10.1109/AIM.2005.1511157
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Velocity measurement Machine tool spindles Magnetic levitation Force measurement Force sensors Delay estimation Impulse testing Capacitance measurement Current measurement Displacement measurement
Content Type	Text
Resource Type	Article

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