Rational Provision of Functional Properties of Interference Fit Joints in Case of Assembly with Implementation of Anaerobic Materials

Abstract:

One of the advanced ways of provision of functional properties of interference fit joints is to control contact interaction between mating parts, particularly by assembling with application of anaerobic materials polymerizing in contact area. The main advantage of using anaerobic materials is that this technology allows us to harden different parts of the joints selectively. The purpose of the work is to study the possibility of rational provision of functional properties of interference fit joints by selective hardening in case of assembling with the use of anaerobic materials. Modelling of bearing strength of interference fit joint is carried out according to finite element method, with theory of contact interaction between mating surfaces being used. The results of experimental research are given. Anaerobic material is used as a material for hardening of joints. It was discovered that exploitation load in form of torque or axial force is distributed along the length of interference fit joint rather nonuniformly. To decrease expenses, it is necessary to harden those areas of joint which are located by the side of load application. The way of assembling of interference fit joints by pressing with selective use of hardening material is proposed. The technique of reliable identification of the necessity and the moment to apply anaerobic material while assembling parts was developed. As a result, functional properties of pressure joints are reached the most rational way.

• Periodical: Materials Science Forum (Volume 952)
• Pages: 123-132
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.952.123
• Online since: April 2019
• Authors: Igor Ivanovich Voyachek, Denis Viktorovich Kochetkov, Daynier Rolando Delgado Sobrino, Sergry G. Mityasov, Vladimir Zinovievich Zverovschikov, Roman Ružarovský*, Jakub Horník
• Keywords: Anaerobic Material, Assembly, Interference Fit Joint, Load Distribution, Press-Fitting Force, Selective Hardening

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