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TECHNICAL PAPERS

Integrated Dynamic Thermo-Mechanical Modeling of High Speed Spindles, Part 2: Solution Procedure and Validations

[+] Author and Article Information
Hongqi Li, Yung C. Shin

School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907

J. Manuf. Sci. Eng 126(1), 159-168 (Mar 18, 2004) (10 pages) doi:10.1115/1.1644546 History: Received July 01, 2003; Online March 18, 2004
Copyright © 2004 by ASME
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References

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Figures

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Procedure of the full thermo-dynamic spindle-bearing solution
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Schematic of temperature-speed measurement
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Transient responses of temperature at the outer rings of bearings at 30,000 rpm
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Schematic of dynamic experiment
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Thermal model mesh of the spindle 21 with measurement locations
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Steady-state temperature at different locations with 891N preload
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Steady-state temperatures at front bearing #1 with different preload
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Heat generation of the motor
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Air convection coefficients (W/m2°C)
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Steady-state temperatures vs. speed
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First two natural frequencies of Mazak spindle vs. rotating speed
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Natural frequencies of a uniform shaft system 26
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First two mode shapes of a uniform shaft system 26
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Elements of Precise spindle 50104OA (top) and 60124OA (bottom)
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First natural frequencies in steady state with the small toolholders
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First natural frequencies under steady state conditions of the test spindles with the master arbors

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