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TECHNICAL PAPERS

Torque and Angle Controlled Tightening Over the Yield Point of a Screw—Based on Monte-Carlo Simulations

[+] Author and Article Information
Göran R. Toth

Department of Materials Technology, Saab Automobile, SE-461 80 Trollhättan, Swedene-mail: goran.toth@se.saab.com

J. Mech. Des 126(4), 729-736 (Aug 12, 2004) (8 pages) doi:10.1115/1.1701877 History: Received October 01, 2002; Revised October 01, 2003; Online August 12, 2004
Copyright © 2004 by ASME
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References

Okubo, T., Tanaka, S., and Gorumaru, K., 1984, “Reliability Evaluation of Bolts Tightened in Plastic Region and Their Application to Diesel Engines,” SAE Paper 840505.
Blatt 1, 2001, Systematische Berechnung hochbeanspruchter Schraubenverbindungen Zylindrische Einschraubenverbindungen, VDI 2230, VDI-Verlag, Düsseldorf.
Junker,  G. H., 1970, “Reihenuntersuchungen von Schraubenverbindungen mit Motorischen Schraubern,” Draht-Welt, Fachbeilage Schrauben Muttern Formteile, 56, Heft 3.
Monaghan,  J. M., 1991, “Influence of Lubrication on the Design of Yield Tightened Joints,” J. Strain Anal. Eng. Des., , 26(2), pp. 123–132.
Boys,  J. T., and Wallace,  P. W., 1977, “Design and Performance of an Automatic Control System for Fastener Tightening,” Proc. Inst. Mech. Eng., 191, pp. 371–380.
Finkelston,  R. J., and Kull,  F. R., 1978, “Preloading for Optimum Bolt Efficiency,” Assembly Engineering, 17(8), pp. 24–28.
Junker,  G. H., and Wallace,  P. W., 1984, “The Bolted Joint: Economy of Design Through Improved Analysis and Assembly Methods,” Proc. Inst. Mech. Eng., 198B(14), pp. 255–266.
Bickford. J. H., 1990, An Introduction to the Design and Behavior of Bolted Joints, 2nd Edition, Marcel Dekker, Inc., New York.
Edwards, K. J., and McKee, R. B., 1991, Fundamentals of Mechanical Component Design, 1st Edition, McGraw-Hill, New York.
Research Council on Structural Connections., 2000, Specification for Structural Joints Using ASTM A325 or A490 Bolts.
Frincke,  M. H., 1958, “Turn-of-nut Method for Tensioning Bolts,” Civ. Eng.,28, pp. 63–64.
Wallace,  P. W., 1975, “Joint Control System,” Engineering Materials and Design, 19, pp. 35–38.
Shigley, J. E., and Mischke, C. R., 1989, Mechanical Engineering Design, 5th Edition, McGraw-Hill, New York.
Humble,  P. A., 1986, “Better Control of Bolt Tension,” Engineering Designer, pp. 18–21.
Boys,  J. T., and Tambini,  A., 1981, “Tightening Methods for Fasteners,” Engineering, 221, pp. I–IV.
ISO 898-1, 1988, “Mechanical Properties of Fasteners,” Part 1, ISO Central Secretariat, Genève, Switzerland.
Toth, G. R., “Torque and Angle Controlled Tightening Over the Yield Point,” Internal report, Dept. of Machine and Vehicle Systems, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
Toth,  G. R., 2003 “Controlled Tightening Over the Yield Point of a Screw—Based on Taylor’s Series Expansions,” ASME J. Pressure Vessel Technol., 125(4), pp. 460–466.

Figures

Grahic Jump Location
Plastic spring constant of a screw
Grahic Jump Location
Normal distribution with lower and upper limits
Grahic Jump Location
Torque vs total angles and screw deformations
Grahic Jump Location
Comparison between expected preloads of M10 and M12 screws. (M)=Torque-controlled tightening. (yield)=Torque and angle controlled tightening over the yield point.
Grahic Jump Location
Example of a clevis joint

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