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Документ О конструктивных особенностях и опыте эксплуатации литых чугунных рам паллет в составе автоматизированных формовочных линий(НТУ "ХПИ", 2013) Диордийчук, В. В.; Шкода, В. А.Character of loading tested by the pallet's frames in a process of their exploitation is described in the paper. The considerable laboriousness of making of those frames by welding method is marked. The variants of making of pallet's frames are considered from cast-irons: with spherical graphite, with vermicular graphite, with grey-and-laminar graphite. Acceptability of use of cast pallet from SC25-grey cast-iron in composition of automated molding lines is shown under condition of setting of steel insertions in the most loaded zone of supporting wheels.Документ Исследование периодических погрешностей и их природы при анализе достоверности математической модели для исследования динамических характеристик механизма(НТУ "ХПИ", 2013) Сериков, Владимир ИвановичIn the paper a method is founded and described for sampling data collected during a series of experiments and fixed on photo paper with K-12-22 loop oscillograph. Received numerical data have allowed not only to estimate correctness of chosen mathematical model, but also to clarify the nature of error periodic vibrations.Документ Особенности распределения контактных давлений в сопряжении деталей с дискретным упрочнением(НТУ "ХПИ", 2013) Шеремет, В. Н.; Веретельник, Олег Викторович; Литвин, Б. Я.; Шейко, А. И.; Кравченко, Сергей АлександровичIn the paper results are described for research of features of stressed-deformed state at contact interaction of details which surfaces are discretely strengthened. The substantial irregularity of contact pressure distribution is detected on contact surface.Документ Проверка прочности элементов крепления цистерны к шасси автотопливозаправщика от смещения при действии продольной нагрузки(НТУ "ХПИ", 2013) Головченко, В. И.; Иванина, Н. Л.A strength checking procedure for tank-to chassis fastening elements of flying vehicle fueler is described in the paper. Elements holding ATZ-10 fueler tank from displacements caused by the longitudinal inertia force are checked.Документ Анализ напряженно-деформированного состояния шейного отдела позвоночника при ортезировании различными видами ортезов(НТУ "ХПИ", 2013) Веретельник, Олег Викторович; Ткачук, Николай Анатольевич; Барыш, А. Е.; Тимченко, И. Б.; Дынник, А. А.; Погорелая, А. В.This paper presents the results of numerical studies of the mechanical behaviour of the cervical spine with the use of orthesis. Participate in the examination of five different types of orthesis construction as the outer form, and on the materials from which they are made.Документ Математическое и численное моделирование динамических процессов в элементах легкобронированных боевых машин(Национальный технический университет "Харьковский политехнический институт", 2013) Мельник, Б. А.; Малакей, Андрей Николаевич; Мухин, Дмитрий Сергеевич; Танченко, Андрей Юрьевич; Кохановская, Ольга ВладиславовнаIn the paper questions of complex modeling of dynamic processes in elements of lightly armored fighting vehicles are expounded. The complex mathematical model of disturbed motion is built taking in to account variable parameters of pendant of wheeled fighting vehicles. Results of test numerical modeling of dynamic processes are presented on example of armored hull and pendant of BTR-80 armored troop-carrier.Документ Экспериментальные исследования динамических процессов в виброударных машинах(Национальный технический университет "Харьковский политехнический институт", 2013) Кириченко, Ирина Алексеевна; Барчан, Евгений Николаевич; Кохановская, Ольга ВладиславовнаIn the paper methodology and results of experimental researches of dynamic processes in vibroshock machines are described. Studies are undertaken on example of knock-out machine for large casting shake-out. The method of dynamic electric tensometry is applied.Документ Обоснование необходимости автоматизированного контроля реологических параметров высоковязкого топлива при сепарировании(НТУ "ХПИ", 2013) Радченко, О. П.; Мацкевич, А. Р.; Неменко, А. В.; Чуб, О. П.Considered the issues of necessity of automation and control of the process of separation of viscosity marine fuel. Obtained dependence of the particle separation of sludge from the temperature on the basis of theoretical concepts, the results of their comparative analysis of the evidence.Документ Разработка математической модели червячной пары для производства червячных передач на универсальных обрабатывающих центрах(НТУ "ХПИ", 2013) Стрельников, В. Н.; Суков, Г. С.; Воробьев, Н. Д.; Суков, М. Г.; Нечепоренко, И. Ю.; Гавриш, Ю. П.; Чеченец, В. Н.; Донской, Д. И.On the basis of the theory of synthesis of spatial meshings the mathematical model of worm pair a general view on axial section of a coil of the worm which profile is set by any smooth curveis developed. For improvement of working conditions and qualitative parameters of the worm gear, the interfaced surfaces organizeis convex-concave contact of nearest curvature. The operating program developed on the basis of created mathematical model, boots in NC-system the universal treating centre for generation of a worm and gear working surfaces.Документ Автоматизированный расчет и построение габаритной полосы движения длиннобазных седельных автопоездов при их поворотах на 90° и 180°(НТУ "ХПИ", 2013) Иванина, Н. Л.; Головченко, В. И.Experience gained from designing and testing for maneuverability of saddle automobile trains proved that in case of a train with semitrailer base length over 10 m calculations for turn band dimensions at 90° and 180° turns must be supplemented with kinematic analysis with the aim of checking if the semitrailer boggy inner wheels can stop their rotation in the course of turn as well as with the aim of calculating the rate of transverse sliding.Документ Обоснование расчетных моделей силосных установок(НТУ "ХПИ", 2013) Третьяков, В. Б.; Иванцов, И. И.; Веретельник, Олег Викторович; Атрошенко, Александр АлександровичThis paper describes the results of research of the stress-strained state of a silage for storage of grain and other products. Test problems are considered for corrugated panel's silage for bolted connections, as well as full body design silage. Described the problematic factors for building computational models of the elements of silage.Документ Изменение массы одного из компонентов и его влияние на характер динамических процессов в виброударных системах : модели и численные результаты(НТУ "ХПИ", 2013) Костенко, Юрий Викторович; Ткачук, Анна Владимировна; Грабовский, Андрей Владимирович; Ткачук, Николай НиколаевичThis paper describes the task about influence of the variable mass in system components, on the character of the occurring dynamical processes.Документ Численный анализ влияния способа усиления конструкции выбивной машины на спектр собственных частот колебаний(Национальный технический университет "Харьковский политехнический институт", 2013) Барчан, Евгений Николаевич; Кириченко, Ирина Алексеевна; Храмцова, Ирина Яковлевна; Кохановская, Ольга ВладиславовнаIn the paper attention is paid to such strengthening method for construction of vibroshock machine as establishment of additional ribs of inflexibility. Such strengthening causes a change of spectrum of vibrations eigenfrequencies. Studies which are made and described in this paper are sent to establishment of tendencies in this spectrum, that is conditioned by different strengthening modes.Документ Моделювання частотних характеристик планетарного колісного редуктора(НТУ "ХПІ", 2013) Гутиря, С. С.; Яглінський, Віктор Петрович; Чанчін, А. М.A dynamic model of the planetary wheel gear in trolleybus transmission is represented as a linear oscillatory multimass system. The effect of the number of satellites, their stiffness and rigidity of support shalf-bridge is researched on main frequency of free oscillations of the system. The possibility of variations of first and second frequencies values of main gear is shown in a wide range of frequency spectrum. These results of determination the natural frequencies of the gearbox are necessary foundation for study of forced vibrations of the system, developing of methods for reducing the vibration activity of excitation source and task solution of vibration protection for trolleybuses transmission.Документ Распределение контактных давлений при контакте тел конечных размеров по поверхностям близкой формы(НТУ "ХПИ", 2013) Скрипченко, Наталья БорисовнаFor a case of contact of bodies with close curvature radiuses along one of main directions general statement of contact task is offered. Functions of contact pressured is tribution, maximal contact pressure, and also lengths of contact spot semiaxes are got by analytical and numerical methods.Документ Совершенствование методов расчета элементов машин с длительным сроком работы при действии многокомпонентной загрузки с учетом их утонения(НТУ "ХПИ", 2013) Васильева, Т. А.; Теплицкий, Л. Л.This paper describes a new approach to justification of parameters of machines elements designed for along term of work under the influence of multi-component loads taking into account their thinning during work. It's proposed to consider the combined effect of different types of loads to determine the resource of machines elements. It is suggested also to take into account the change of effective thickness, that takes place by the end of term of exploitation. Examples of the use of proposed approach to the analysis of frames of locomotives are presented.Документ Предпосылки создания и принципы работы отвалообразователей(НТУ "ХПИ", 2013) Чурбанов, П. В.The resultes of analysis of construction and exploitation conditions of spreaders are described in this paper. They will be used in further researches of stressed-deformed state of their power elements.Документ Комплексные экспериментальные исследования динамических характеристик фрагментов, макетов и натурных образцов элементов бронекорпусов транспортных средств специального назначения(НТУ "ХПИ", 2013) Литвиненко, А. В.Complex experimental researches of fragments, prototypes and full-scale models of armored hulls of lightly armored vehicles are described. These results are forming the data base of comparative computation and experimental researches. Their aim is grounding of reliable, complete and exact created numerical models of elements of armored hulls of special transport vehicles for realization of project researches of their vibrations and stressed-deformed state. Methods of vibro-accelerometers, electrical tensometry and holographic interferometry are applied.Документ Динамика и напряженно-деформированное состояние корпусов легкобронированных боевых машин(НТУ "ХПИ", 2013) Храмцова, Ирина Яковлевна; Бруль, С. Т.; Литвин, Б. Я.; Шейко, А. И.; Грабовский, Андрей Владимирович; Мухин, Д. С.In the paper task solution is expounded for modeling of dynamic properties and stressed-deformed state in lightly armored fighting machines hulls. On the example of BTR-80, BTR-3, BTR-4 hulls tasks set about analysis of spectrum of eigentones and stressed-deformed state at loading action during their exploitation. Results of test calculations for eigenfrequencies and forms of vibrations of hulls models and also distribution of their stressed-deformed state components are presented.