Vibration and Noise Monitoring of Ceramic Motorized Spindles


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High speed machining (HSM) technology is used in a broad range of applications to machine ferrous metals and nonmetallic material. The motorized spindle is one of the major elements to keep the machine running at high productivity. In recently years, the requirement of rotational speed and rigidity of motorized spindle is getting higher and higher in order to satisfy the high speed processing. Engineering ceramic is the ideal material for high-speed and high precision electrical spindle due to perfect characteristics of light weight, wear resistance, high temperature, high strength, and so on. So a ceramic motorized spindle is designed for higher speed and rigidity. The shaft and bearing of the motorized spindle are made from ceramic material and other parts are made from metal. Rated power of this electrical spindle is 15Kw; its torque is 14Nm and revolving speed is up to 30,000 rpm as maximum. Motorized spindle is a typical mechatronics product and its dynamic property is very important. The signal of vibration and noise of motorized spindle may display its running status, so the vibration and noise of motorized spindle is an important index in the dynamic performance. This paper monitors the vibration and noise of ceramic motorized spindles using spectral analysis techniques. The effects of rotating speed and lubrication condition on vibration and noise of the ceramic electrical spindle are analyzed. These results are very helpful to the structure optimization and application of the ceramic motorized spindle.



Advanced Materials Research (Volumes 291-294)

Edited by:

Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu




L. X. Zhang and Y. H. Wu, "Vibration and Noise Monitoring of Ceramic Motorized Spindles", Advanced Materials Research, Vols. 291-294, pp. 2076-2080, 2011

Online since:

July 2011




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