Flexible supporting and fixing method for hybrid ultrasonic motor using longitudinal and torsional vibration modes

Release time:2024-12-26  Hits:

• Impact Factor:1.0
• Affiliation of Author(s):南京航空航天大学
• Teaching and Research Group:航空学院-精密驱动与控制研究所
• Journal:Journal of Vibroengineering
• Key Words:Mechanical properties Motors Torsion Vibration
• Abstract:A new flexible supporting and fixing method for hybrid ultrasonic motor using longitudinal and torsional vibration modes is presented. A motor base is used to support and fix the motor, which has dual concentric bearings in opposite shell sides and a fixing slot. The axis of the motor has two extended parts outside the both sides of the motor. Once the motor has been assembled completely, the two extended parts of the motor axis will be inserted into the concentric bearings, which support the motor and restrict several degrees of freedom (DOFs) of the motor, such as the translational DOFs along X and Y axes, the rotational DOFs around X and Y axes. The motor has a flexible fixing sheet which placed near the piezoelectric ceramics, and the flexibility of the fixing is discussed by analyzing the thickness and the foot length of fixing sheet. The fixing sheet is fixed on the fixing slot with glue, which restricts the translational DOF along Z axis and rotational DOF around Z axis of the stator. The experiment results show that there is little influence on the motor working performance by using this supporting and fixing method; the motor can work smoothly and steadily and the maximum speed of the motor can exceed 2000 r/min. Keywords: flexible, ultrasonic motor, longitudinal and torsional, supporting and fixing.;A new flexible supporting and fixing method for hybrid ultrasonic motor using longitudinal and torsional vibration modes is presented. A motor base is used to support and fix the motor, which has dual concentric bearings in opposite shell sides and a fixing slot. The axis of the motor has two extended parts outside the both sides of the motor. Once the motor has been assembled completely, the two extended parts of the motor axis will be inserted into the concentric bearings, which support the motor and restrict several degrees of freedom (DOFs) of the motor, such as the translational DOFs along X and Y axes, the rotational DOFs around X and Y axes. The motor has a flexible fixing sheet which placed near the piezoelectric ceramics, and the flexibility of the fixing is discussed by analyzing the thickness and the foot length of fixing sheet. The fixing sheet is fixed on the fixing slot with glue, which restricts the translational DOF along Z axis and rotational DOF around Z axis of the stator. The experiment results show that there is little influence on the motor working performance by using this supporting and fixing method; the motor can work smoothly and steadily and the maximum speed of the motor can exceed 2000 r/min.;
• Indexed by:Journal paper
• Discipline:Engineering
• Document Type:J
• Volume:16
• Issue:6
• Translation or Not:no
• Date of Publication:2014-09-01
• Included Journals:SCI
• Co-author:Zhao, Chunsheng
• First Author:Yang, Lin

• 1.Flexible supporting and fixing method for hybrid ultrasonic motor using longitudinal and torsional vibration modes.pdf