Abstract
Continuous increase in demand for electricity causes that electrotechnical industry is relentlessly under pressure of technological development. It is necessary to reduce costs while increasing a reliability of manufactured products. Common miniaturization of products mounted in land vehicles, vessels and airplanes along with limitation of their weight requires the use of innovative production methods. This publication presents the problem of exploitation related with reliable assembly and disassembly of rail-mounted electrical connectors. In order to improve the reliability of injected electrical connector housings, the authors proposed the selective induction heating technology as a heating method of injection mould. To reveal the origin of the problem, in case of this work, the simulation studies of filling the mould cavity were carried out. They show an incorrect localization of polymer streams weld line. Then the results of the simulation and induction heating experiment are presented. They were necessary for the proper design and make of the injection mould. In the final stage, the experimental tests of the manufactured housings assembly and disassembly were performed in conditions corresponding to the actual conditions. The obtained results show, that selective induction heating technology has significantly improved the reliability of rail-mounted electrical connector housings.
Highlights
Electrical and electronic parts are nowadays integral components of mechanical engineering, vehicles and devices
The results show, that exploitation of the electrical connectors should be improved after heating the installation foot forming area to 170°C
This publication presents the problem of an exploitation of the rail-mounted electrical connectors in terms of their reliability during assembly and disassembly
Summary
Electrical and electronic parts are nowadays integral components of mechanical engineering, vehicles and devices. The process of premature polymer melt cooling is stopped by increased temperature of the forming walls, which enable complete filling of the cavity and provide high quality of microstructure mapping [14, 19] It helps to obtain more accurate map of the surface with significantly lower mold filling resistance during the injection process [29]. Polymer melts viscosity η is not constant and it depends on shear stress τ and shear rate γ (1): housings manufacturing process, induction heating of chosen forming areas and experimental tests involve production and exploitation of a group of 1000 test samples (mold parts)
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Eksploatacja i Niezawodność – Maintenance and Reliability
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
