THERMO-MECHANICAL MODELING OF HIGH SPEED SPINDLES

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ZAHEDI A.; MOVAHHEDY M.R.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2012 | Volume:19 | Issue:2 (TRANSACTIONS B: MECHANICAL ENGINEERING) Page(s): 282-293

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Information Journal Paper

Title

THERMO-MECHANICAL MODELING OF HIGH SPEED SPINDLES

Author(s)

ZAHEDI A. | MOVAHHEDY M.R. | Issue Writer Certificate

Keywords

HIGH SPEED SPINDLES

ANGULAR CONTACT BALL BEARINGS

THERMALLY INDUCED PRELOAD

COUPLED THERMO-MECHANICAL BEHAVIOR

DYNAMIC RESPONSE

Abstract

Prediction of the thermo-mechanical behavior of machine-tool spindles is essential in the reliable operation of high speed machine tools. In particular, the performance of these HIGH SPEED SPINDLES is dependent on their thermal behavior. The main source of heat generation in the spindle is the friction torque in ANGULAR CONTACT BALL BEARINGS. This paper presents an effort to develop a comprehensive model of HIGH SPEED SPINDLES that includes viable models for the mechanical and thermal behavior of its major components, i.e., bearings, shaft and housing. Spindle housing and shaft are treated as six-degree-of-freedom Timoshenko beam elements. Bearings are modeled as two-node elements with five displacements and a thermal load component at each node. Mutual interaction between the thermal and structural behavior of both spindle shaft/housing and bearings is characterized through thermal expansion and the rate of heat generation/transfer. Components are combined to form a finite element model for the thermo-mechanical analysis of spindle-bearing systems.The results of simulation for a typical spindle system are presented.

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APA: Copy

ZAHEDI, A., & MOVAHHEDY, M.R.. (2012). THERMO-MECHANICAL MODELING OF HIGH SPEED SPINDLES. SCIENTIA IRANICA, 19(2 (TRANSACTIONS B: MECHANICAL ENGINEERING)), 282-293. SID. https://sid.ir/paper/290148/en

Vancouver: Copy

ZAHEDI A., MOVAHHEDY M.R.. THERMO-MECHANICAL MODELING OF HIGH SPEED SPINDLES. SCIENTIA IRANICA[Internet]. 2012;19(2 (TRANSACTIONS B: MECHANICAL ENGINEERING)):282-293. Available from: https://sid.ir/paper/290148/en

IEEE: Copy

A. ZAHEDI, and M.R. MOVAHHEDY, “THERMO-MECHANICAL MODELING OF HIGH SPEED SPINDLES,” SCIENTIA IRANICA, vol. 19, no. 2 (TRANSACTIONS B: MECHANICAL ENGINEERING), pp. 282–293, 2012, [Online]. Available: https://sid.ir/paper/290148/en

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