2019
DOI: 10.15587/1729-4061.2019.160395
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Development of a new process for expanding stepped tapered rings

Abstract: Досліджено новий спосіб розкочування великогабаритних конусних кілець зі ступінчастим профілем. Запропонований спосіб полягає у деформуванні заготівки з уступом східчастим бойком. Запропонована методика проведення досліджень методом скінчених елементів. Методика призначена для визначення залежностей напружено-деформованого стану та формозміна заготiвки у процесі розкочування східчастим бойком. Змінними параметрами були відносна висота виступу східчастих заготівок, яка варіювалась в інтервалі 2,2...2,5. На осно… Show more

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Cited by 29 publications
(15 citation statements)
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“…It is possible to eliminate the saddling operation by using new ingots [3,4]. As stated in paper [5], in order to improve the quality of forgings for responsible purposes, to develop new and promising power plants with enhanced capacity, a technology was devised for the production of large-sized rings. Work [6] assesses the technical advantages of producing large-sized forgings for responsible purposes.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
See 1 more Smart Citation
“…It is possible to eliminate the saddling operation by using new ingots [3,4]. As stated in paper [5], in order to improve the quality of forgings for responsible purposes, to develop new and promising power plants with enhanced capacity, a technology was devised for the production of large-sized rings. Work [6] assesses the technical advantages of producing large-sized forgings for responsible purposes.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…Work [6] assesses the technical advantages of producing large-sized forgings for responsible purposes. However, the cited studies [2][3][4][5][6] do not describe the technological modes and recommendations for rings forging.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…When testing galvanized steel sections, the thickness of the zinc coating is generally neglected as an absolutely thin film [39]. Changing the design of the structural section [40][41][42] or introducing of consistent direct-forming with longitudinal welding of the edges of the closed section requires evaluation of the indices of stiffness and strength (stresses) of RHS to identify the advantages or disadvantages of new processes.…”
Section: Introductionmentioning
confidence: 99%
“…The main issue related to the advancement of machine engineer-ing is to design improved energy-saving processes that would contribute to better quality and decrease the consumption of metal and energy. Achieving the set goals will make it possible to practically implement the resource-saving manufacturing process to forge billets for the manufacture of reactor bodies [1]. The optimization parameters are the following: high mechanical properties and competitive cost of billets to produce parts for particularly responsible purposes.…”
Section: Introductionmentioning
confidence: 99%