0
Technical Briefs

Dynamic Design of a High-Speed Motorized Spindle-Bearing System

[+] Author and Article Information
Shuyun Jiang1

School of Mechanical Engineering, Southeast University, Nanjing 211189, Chinajiangshy@seu.edu.cn

Shufei Zheng

School of Mechanical Engineering, Southeast University, Nanjing 211189, China

1

Corresponding author.

J. Mech. Des 132(3), 034501 (Mar 01, 2010) (5 pages) doi:10.1115/1.4001109 History: Received April 02, 2009; Revised December 05, 2009; Published March 01, 2010; Online March 01, 2010

This technical brief presents a dynamic model based on the traditional transfer matrix method (TMM) and Jones–Harris nonlinear rolling bearing model to study the effects of the extended structure parameters on the vibration behavior of a high-speed motorized spindle-bearing system. The first critical speed and the dynamic stiffness of the high-speed motorized spindle-bearing system are systematically studied. A design sensitivity analysis of the structure parameters is then conducted to identify the main factor to affect the first critical speed of the spindle-bearing system. The results show that the processing condition, the shaft shoulder, the dimension of motor, and the bearing arrangement are sensitive to the spindle dynamic behavior. The TMM model of the spindle-bearing system is verified by measuring the high-speed motorized spindle overall dynamic stiffness.

FIGURES IN THIS ARTICLE
<>
Copyright © 2010 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Figure 1

(a) High-speed grinding motorized spindle-bearing system and (b) the corresponding lumped mass model of TMM

Grahic Jump Location
Figure 2

The change in the dynamic stiffness, contact angles, centrifugal force, and gyroscopic moments of rolling bearings with rotational speed

Grahic Jump Location
Figure 3

(a) Effects of processing conditions on the first critical speed—finishing grinding and (b) effects of processing conditions on the first critical speed—rough grinding

Grahic Jump Location
Figure 4

(a) Effects of shaft shoulder length on the first critical speed (rotational speed, 51,000 rpm; axial preload, 250 N)—front shaft shoulder and (b) effects of shaft shoulder length on the first critical speed (rotational speed, 51,000 rpm; axial preload, 250 N)—rear shaft shoulder

Grahic Jump Location
Figure 5

(a) Effects of dimension of motor rotor on the first critical speed (rotational speed, 51,000 rpm; axial preload, 250 N)—inner diameter and (b) effects of dimension of motor rotor on the first critical speed (rotational speed, 51,000 rpm; axial preload, 250 N)—length of motor

Grahic Jump Location
Figure 6

Effects of the bearing arrangement on the first critical speed (rotational speed, 51,000 rpm; axial preload, 250 N)

Grahic Jump Location
Figure 7

Test system for measuring the overall dynamic stiffness of the spindle

Grahic Jump Location
Figure 8

Simulated and experimental overall dynamic stiffness of the spindle

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In