Aircraft Designing and Manufacturing

Sergienko V., Denisenko Y., Dobrzhansky V., Ognev Y., Berdiev O.

VALENTIN SERGIENKO, Professor, Academician of the Russian Academy of Sciences, Doctor оf Chemical Sciences, Director, VITALY DOBRZHANSKY, Professor, Doctor of Technical Sciences, Chief Researcher, Head of Advanced Technology Group, e-mail: dao22@mail.ru
Institute of Chemistry, FEB RAS
159, Centennial Av., Vladivostok, Russia, 690022
YURIY DENISENKO, Managing Director, e-mail: pud@aacprogress.ru
PJSC AAC Progress.
5 Lenin Square, Arsenyev, Primorsky Krai, Russia, 692335
YURIY OGNEV, Professor, Doctor of Technical Sciences, Aircraft and Helicopter Engineering Department, Director of the Вranch, Far Eastern Federal University in Arsenyev, e-mail: yuoognev@yandex.ru
OLEG BERDIEV, Deputy Director of the Branch for Research and Development, FEFU in Arsenyev, e-mail: berdiev553@mail.ru
Far Eastern Federal University
20 Novikov St., Arsenyev, Primorsky Krai, Russia, 692335

Intricate shape equipment with a frame having full-strength ribs
of variable section

Abstract: In the conditions of a series production, a full-scale experiment was carried out to make a mold cavity of the equipment according the authors’ method of the formation of large-sized constructional aircraft panels (hereafter referred to as panels) of reticular structure. The authors’ innovation includes the formation of the frame structure made beforehand with the use of a flexible dry fibrous material (filler) on the mandrel. After that, a panel skin is laid on the primary structure. Furthermore, they pump a portion of the binding material into the frame structure made from the dry fibrous material and the former imbue uniformly the entore structure formed by the fibers of the filler. According to the technique, modes, and diagrams, the pressure and temperature act upon the workpiece of the panel, which causes the hardening of the structure. The binding material being hardened, the panel is removed from the mandrel, which becomes a mold cavity of the equipment, to be used for a series production (in it) of large-sized panels of reticular structure.
Key words: mold cavity, constructional panel, rigidity edge, calculation process, absorb binding, manufacture of panels, fibrous material, reticular structure.

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