employee
Kaliningrad, Kalinigrad, Russian Federation
student
Kaliningrad, Kalinigrad, Russian Federation
UDC 62-29
Russian Library and Bibliographic Classification 345
Russian Library and Bibliographic Classification 346
The study objective is to test the possibility of manufacturing small-sized jigging using composite 3D printing with plastic reinforced with continuous carbon fiber. The task to which the paper is devoted is to study the influence of various production processes on the mechanical properties of a finished product, including annealing modes on the strength characteristics of the product. Research methods. 5 groups of samples are studied: the first group was printed without preliminary preparation of the filament, the second group - after drying the filament, the third group - after annealing the parts at temperature of 135°C, the fourth group - using annealing in gypsum at temperature of 250°C, and the fifth group, where experiments with the annealing temperature were carried out. To check the quality and strength of the printed parts, a bending strength test method was chosen, for which CMT-50 electromechanical universal testing machine was used. The novelty of the work: the influence of various machining modes on the strength and interlayer adhesion of composite materials in the manufacture of small-sized jigging is found out. Research results: a technology is developed for the production of small-size jigging parts using the additive method of composite 3D printing with PA6 plastic reinforced with continuous carbon fiber, followed by annealing of samples in gypsum form at temperature of 200°C and soaking time of 1 hour. Conclusions: annealing does not increase the strength of the part, but improves the interlayer adhesion.
jigging, 3D printing, fiber, method, technology, mechanical engineering, industry
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