Influence of ultrasonic oscillations on static friction characteristics of pneumatic cylinder

Based on the friction reduction effect of ultrasonic oscillations, ultrasonic oscillations are utilized to vibrate the cylinder outside barrel, and the static friction characteristics of pneumatic cylinder under ultrasonic oscillations have been investigated. The cylinder sample employed is a standard double rod cylinder with a cube body, and the ultrasonic oscillator has a measured resonant frequency of 31.65 kHz. The two components are connected through screw thread for effective oscillations. A measurement system is established and the influence of ultrasonic oscillator's frequency, exciting voltage and relative exciting position on static friction characteristics is explored. The experiment results prove the existence of cylinder friction reduction with ultrasonic oscillations compared to that of non-oscillation. And the static friction can be reduced to 60% of non-oscillation friction around the oscillator's resonant frequency.

[1]  I. Hutchings,et al.  Reduction of the sliding friction of metals by the application of longitudinal or transverse ultrasonic vibration , 2004 .

[2]  Yung-Tien Liu,et al.  Pneumatic actuating device with nanopositioning ability utilizing PZT impact force coupled with differential pressure , 2007 .

[3]  V. Popov,et al.  Influence of Ultrasonic In-Plane Oscillations on Static and Sliding Friction and Intrinsic Length Scale of Dry Friction Processes , 2010 .

[4]  Ho Chang,et al.  Tribological Properties for Long Stroke Cylinder Using Nano-lubricants , 2008 .

[5]  Toshiro Noritsugu,et al.  Development of wrist rehabilitation equipment using pneumatic parallel manipulator -Acquisition of P.T.'s motion and its execution for patient- , 2009 .

[6]  Arcangelo Messina,et al.  Identification of viscous friction coefficients for a pneumatic system model using optimization methods , 2006, Math. Comput. Simul..

[7]  Philip Moore,et al.  A practical control strategy for servo-pneumatic actuator systems , 1999 .

[8]  Daisuke Sasaki,et al.  Development of Active Support Splint driven by Pneumatic Soft Actuator (ASSIST) , 2005, Proceedings of the 2005 IEEE International Conference on Robotics and Automation.

[9]  Jörg Wallaschek,et al.  Sliding friction in the presence of ultrasonic oscillations: superposition of longitudinal oscillations , 2001 .

[10]  Philip Moore,et al.  Modelling study, analysis and robust servo control of pneumatic cylinder actuator systems , 2001 .

[11]  Koshi Adachi,et al.  The micro-mechanism of friction drive with ultrasonic wave , 1996 .

[12]  Masahiro Takaiwa,et al.  Development of Wrist Rehabilitation Equipment using Pneumatic Parallel Manipulator , 2007 .

[13]  Yan Li,et al.  Tension control of a winding machine for rectangular coils , 2008, 2008 10th International Conference on Control, Automation, Robotics and Vision.

[14]  Ji-Seong Jang,et al.  A method of accurate position control with a pneumatic cylinder driving apparatus , 2006 .

[15]  C. H. Tseng,et al.  The effect of friction reduction in the presence of in-plane vibrations , 2006 .

[16]  Margaret Lucas,et al.  Superimposed ultrasonic oscillations in compression tests of aluminium. , 2006, Ultrasonics.