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Theoretical modelling of the self-tapping screw fastening process
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2001The results of a theoretical study of the self-tapping screw insertion process are presented. Fundamental concepts of engineering mechanics are employed to analyse the axial torque required to complete a general self-tapping screw insertion operation.
Seneviratne, L D +3 more
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Joining polymer parts with self-tapping screws: an improvement of the screw thread geometry
International Journal of Material Forming, 2020In the present article, the influence of the self-tapping screw’s geometry during the thread forming processes in polymer types used in several industries was studied and analysed using experimental measurement and the finite element method. A number of parameters, such as assembly, type of materials and geometry, were studied. Several commercial screw
Wilmer E. Cumbicus +3 more
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Self-Tapping Screw Performance in Aluminum-Steel Joints
Volume 2: Advanced Manufacturing, 2016Over the last few decades, lightweight material joints including plastics, aluminum, magnesium and various composites have been widely used in many mechanical and structural applications such as automotive, aircraft and so on, for their high strength-to-weight ratio and the significant improvement for the fuel economy and energy efficiency.
Zhijun Wu +3 more
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Self-tapping screw fixation of the Austin osteotomy.
The Journal of foot surgery, 1990The authors present an alternative method of fixation for the Austin bunionectomy using the Richards self-tapping screw. A description of the screw and method of application is included. In more than 250 osteotomies fixated by this technique, no complications inherent to the self-tapping screw have been encountered.
M S, Klein +3 more
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Delayed fracture on self-tapping screws
2013Hydrogen induced fracture on two different screw stocks (UNI C16 modified and UNI C23BKD) was analysed.Fracture toughness has been evaluated by area reduction measurements carried out on carbonitrided specimens, fractured by tensile test, and rupture angle measurements on specimens broken by torsion tests.Specimens were cathodically charged with ...
Quadrini, E., Polenta, R.
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Pretapped and self-tapping screws in the human midface: Torque measurements and bone screw interface
International Journal of Oral and Maxillofacial Surgery, 1990Better contact between AO miniscrews and the bone and greater resistance against torque are achieved in the human midface if the thread is not pretapped. This was demonstrated by 60 methacrylate fixed human midfacial bone sections and by 100 torque measurements. It is concluded that pretapping is not to be recommended in the thin bone of the midface.
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Mechanical properties of self-tapping screws and nails in wood
Canadian Journal of Civil Engineering, 2002This paper presents results of a research programme investigating the mechanical properties of self-tapping screws and nails in wood. The programme consisted of deformation-controlled tests to determine embedment strength, withdrawal strength, pull-through strength, bending capacity of individual screws, shear strength of screwed and nailed woodwood ...
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Behaviour of Self-Tapping Screws Under Shear
2023M. Divya, R. Senthilkumar, Prince George
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