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Experimental investigation of friction noise in lead screw system under mode-coupling
강재영,서강숙,김기선 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.12
This study experimentally investigated the friction noise in the lead screw system. The mechanism involved in the friction noise wasanalyzed on basis of the mode-coupling characteristics. Therefore, the frequency separation between two modes near the squeak frequencywas traced with the location of nut. It was found that the friction noise of the lead screw was generated only at the nut locationwhere the frequencies of the axial and torsion modes were met. It indicated that the friction noise in the lead screw system was caused bythe mode coupling between the torsion and axial modes.