State of the art on internal thread manufacturing: a review
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ORIGINAL ARTICLE
State of the art on internal thread manufacturing: a review Guilherme Lopes Brandão 1 & Pedro Márcio do Carmo Silva 1 & Samuel Alves de Freitas 2 & Robson Bruno Dutra Pereira 1 & Carlos Henrique Lauro 1 & Lincoln Cardoso Brandão 1 Received: 9 June 2020 / Accepted: 15 September 2020 # Springer-Verlag London Ltd., part of Springer Nature 2020
Abstract Thread profiles can be considered as mechanical components which contributed to improving the evolution of machines and devices throughout all the history of man. The great importance of using threaded components, in industries and everyday life, is related to the versatility that allows the assembly and disassembly of components exceptionally quickly. Basically, since its invention, the threading tool has been developed, and its geometry has been optimised. Besides, new materials for tooling and coatings have been developed, allowing a significant evolution in the threading process. Thus, this article provides a review, demonstrating the evolution and the main studies in threading processes in the last 20 years, showing the main results obtained and the influence of threading in manufacturing processes. The traditional threading operations such as machining and forming tapping were contextualised, showing the main research with the advances generated in these processes. Furthermore, special internal threading processes were also revised, demonstrating the current developments and their gaps for new studies. Finally, based on this review are proposed lines of research, considering the shortcomings of the contemporary and revised works, that can increase the number of technical information for all threading processes, optimising the current way of making threads. Keywords Thread profile . Threading . Forming tapping . Special internal threads
1 Introduction Internal threads and screws can be considered as mechanical components which have been contributing to improve the
* Lincoln Cardoso Brandão [email protected] Guilherme Lopes Brandão [email protected] Pedro Márcio do Carmo Silva [email protected] Samuel Alves de Freitas [email protected] Robson Bruno Dutra Pereira [email protected] Carlos Henrique Lauro [email protected] 1
Department of Mechanical Engineering, Center for Innovation in Sustainable Manufacturing - CISM, Federal University of São João del-Rei, São João del-Rei, Brazil
2
Department of Mechanical Engineering, Federal University of Uberlândia – UFU, Uberlândia, Brazil
evolution of machines and devices throughout all the history of man. It should be recognised that all mechanical, aeronautical, medical, and dentistry products have at least a threaded part. Based on this, several pitch models, profiles, and shapes of threads have been developed by the industries to adapt not only tightening and clamping but also promoting the displacement of mechanical components with the use of threads. Currently, the full application of threaded profiles has a focus on the fasteners, namely screws, and these are the
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