The technique presented here focuses on the probabilistic nature of the different variables necessary for the calculation of screwed joints. The technique is based on Taylor’s series expansions or Monte Carlo simulations of the utilization of a screw over its yield point. It is very useful for quality controllers and design engineers since it is able to predict, for instance, the minimum and maximum snug torques, permanent elongation, final torque and preload after tightening. Comparisons are made between the results found of Monte Carlo simulations, series expansions and the extreme-value method. It is suggested that the Monte Carlo method is the most appropriate.
Issue Section:
Technical Papers
1.
Toth, G. R., 2002, “Torque and Angle Controlled Tightening Over the Yield Point: Based on Monte Carlo Simulations,” ASME J. Mech. Des., submitted.
2.
Monaghan
, J. M.
, 1991
, “Influence of Lubrication on the Design of Yield Tightened Joints
,” J. of Strain Anal. Eng. Des.
, 26
(2
), pp. 123
–132
.3.
Boys, J. T., and Wallace, P. W., 1977, “Design and Performance of an Automatic Control System for Fastener Tightening,” Proceedings Institution of Mechanical Engineers, 191, pp. 371–380.
4.
Finkelston
, R. J.
, and Kull
, F. R.
, 1978
, “Preloading for Optimum Bolt Efficiency
,” Assembly Engineering
, 17
(8
), pp. 24
–28
.5.
Junker
, G. H.
, and Wallace
, P. W.
, 1984
, “The Bolted Joint: Economy of Design Through Improved Analysis and Assembly Methods
,” Proceedings Institution of Mechanical Engineers
, 198B
(14
), pp. 255
–266
.6.
Bickford, J. H., 1990, An Introduction to the Design and Behavior of Bolted Joints, 2nd ed., Marcel Dekker, Inc., New York.
7.
Edwards, K. J., and McKee, R. B., 1991, Fundamentals of Mechanical Component Design, 1st Edition, McGraw-Hill, New York.
8.
Research Council on Structural Connections, 2000, Specification for Structural Joints Using ASTM A325 or A490 Bolts; American Institute of Steel Construction, Inc., Chicago, IL.
9.
Frincke
, M. H.
, 1958
, “Turn-of-Nut Method for Tensioning Bolts
,” Civil Engineering
, 28
, pp. 63
–64
.10.
Wallace
, P. W.
, 1975
, “Joint Control System
,” Engineering Materials and Design
, 19
, pp. 35
–38
.11.
Shigley, J. E., and Mischke, C. R., 1989, Mechanical Engineering Design, 5th Edition, McGraw-Hill, New York.
12.
Toth, G. R., 2001, “Torque and Angle Controlled Tightening Over the Yield Point,” internal report, Dept. of Machine and Vehicle Systems, Chalmers University of Technology, SE-412 96 Go¨teborg, Sweden.
13.
VDI 2230, Blatt 1, 2001, Systematische Berechnung hochbeanspruchter Schraubenverbindungen Zylindrische Einschraubenverbindungen., VDI-Verlag, Du¨sseldorf.
14.
Kapur, K. C., and Lamberson, L. R., 1977, Reliability in Engineering Design, 1st ed., John Wiley & Sons, Inc., New York.
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by ASME
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