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TECHNICAL PAPERS

Modeling the HSK Toolholder-Spindle Interface

[+] Author and Article Information
Ihab M. Hanna, John S. Agapiou, David A. Stephenson

General Motors Corporation, 30003 Van Dyke Ave., Warren, MI 48090

J. Manuf. Sci. Eng 124(3), 734-744 (Jul 11, 2002) (11 pages) doi:10.1115/1.1480023 History: Received March 01, 2001; Revised November 01, 2001; Online July 11, 2002
Copyright © 2002 by ASME
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References

Figures

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3D half-model (with assumed planar symmetry)
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3D full-model (shown in cut-away view)
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Nonconstant toolholder-spindle taper interference
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Interface stiffness of HSK-63A in lateral bending
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Basic features of the HSK63A spindle nose
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Minimum clamp force to achieve face contact vs. average taper interference
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Taper contact clearance for interference case #1, U=19.5, 0 RPM
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Taper contact pressure for interference case #1, U=19.5 mm, 0 RPM
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Taper contact clearance for interference case #16, U=19.5 mm, 0 RPM; (b) Taper contact pressure for interference case #16, U=19.5 mm, 0 RPM
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(a,b) Effect of bending loads (from machining) on toolholder shank stress (toppling and boundary moments shown taken from Aachen 1)
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3D half-model of HSK-63A interface
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(a,b) Effect of spindle RPM on toolholder shank stress
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Maximum Tresca stress vs. spindle RPM
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Maximum stress in toolholder shank vs. applied bending moments for various spindle rotation speeds
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Max toolholder stress vs. bending moment, interference case #10, μ=0.15
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Toolholder stress vs. axial torque
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(a,b) Max toolholder stress in root of long key vs. spindle speed, axial spindle torque

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