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Сопоставительный анализ методов расчета процесса резания (к разработке аналитической методики расчета процессов резания)

Сопоставительный анализ методов расчета процесса резания (к разработке аналитической методики расчета процессов резания)

Abstract

В статье излагаются результаты сопоставительного анализа методов расчета процессов резания. Рассмотрены известные решения и методы расчетов процесса стружкообразования, на их основе выполнены сравнительные расчеты силы резания. Отмечается, что наибольшими возможностями обладают решения на основе энергетического метода анализа с использованием экстремальных положений механики деформирования. Таким методом Л.Д. Оленин выполнил анализ наиболее общего случая резания, а именно «косого» резания инструментом с притупленной режущей кромкой, получены физические уравнения для расчета всех основных параметров процесса. Решение учитывает деформационное упрочнение материала, реальную величину контактного трения, а также затраты мощности на вязкое разрушение, связанное с образованием новых поверхностей. Подчеркивается, что все уравнения физические. Это позволяет рекомендовать их в качестве основы для разработки методик расчета процессов резания инструментом с любой формой лезвия и геометрией режущей части.

This article presents the comparative analysis of methods for cutting process calculating. The known solutions and methods of calculations a chip formation are considered, on their basis comparative calculations of the cutting force are made. It is noticed that the greatest capacity decisions based on the energy method of the analysis using the extreme positions of deformation mechanics. By this method L. D. Olenin analyzed the most general case of cutting, namely the oblique cutting by the tool with a blunt cutting edge, the physical equations for calculation of all major process parameters are received. The decision considers strain hardening material, the real value of contact friction, and also the power spent on the plastic fracture associated with the formation of new surfaces. It is emphasized that all equations are physical. It allows to recommend them as a basis for developing methods for calculating the cutting processes by the tool with any shape and geometry of a cutting part.

Keywords

СОПОСТАВИТЕЛЬНЫЙ АНАЛИЗ, ДЕФОРМАЦИОННОЕ УПРОЧНЕНИЕ, ВЯЗКОЕ РАЗРУШЕНИЕ, УДАРНАЯ ВЯЗКОСТЬ, ПЛАН СКОРОСТЕЙ, КОСОУГОЛЬНОЕ РЕЗАНИЕ, КУЛОНОВСКОЕ ТРЕНИЕ, СТРУЖКООБРАЗОВАНИЕ, АНАЛИТИЧЕСКИЕ МЕТОДЫ АНАЛИЗА, ПЛАСТИЧЕСКАЯ ДЕФОРМАЦИЯ, СКОРОСТЬ СХОДА СТРУЖКИ, НОРМАЛЬНЫЕ И ТАНГЕНЦИАЛЬНЫЕ КОМПОНЕНТЫ ДЕФОРМАЦИИ, СКОРОСТЬ ДЕФОРМАЦИИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold