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Асимметрия выдавливаемых профилей при образовании гладко-резьбовых соединений

Асимметрия выдавливаемых профилей при образовании гладко-резьбовых соединений

Abstract

Рассмотрены вопросы формирования внутренних резьбовых профилей при ввинчивании шпилек в гладкие отверстия. Установлены причины появления значительной асимметрии профилей, связанные с геометрией деформирующих участков заходного витка шпилек, образованного торцовой фаской. Серией моделирующих экспериментов установлен характер течения металла при деформации и влияние геометрии на степень асимметричности профилей внутренней резьбы.Ключевые слова: резьбовыдавливание, гладко-резьбовые соединения, резьбовой профиль, асимметрия, резьбовые шпильки, деформирующий виток, напряжения, внутренняя резьба, микротвердость, изосклеры, кратер.

The paper considers the issues of internal thread profile formation when screwing studs in smooth holes. The reasons of emergence of considerable asymmetry of the profiles connected with geometry of deforming sites of a beginning spire of the studs formed by a butt facet are determined. A series of modeling experiments established a character of a metal current under deformation and influence of geometry on asymmetry degree of internal thread profiles.

Keywords

РЕЗЬБОВЫДАВЛИВАНИЕ, ГЛАДКО-РЕЗЬБОВЫЕ СОЕДИНЕНИЯ, РЕЗЬБОВОЙ ПРОФИЛЬ, АСИММЕТРИЯ, РЕЗЬБОВЫЕ ШПИЛЬКИ, ДЕФОРМИРУЮЩИЙ ВИТОК, НАПРЯЖЕНИЯ, ВНУТРЕННЯЯ РЕЗЬБА, МИКРОТВЕРДОСТЬ, ИЗОСКЛЕРЫ, КРАТЕР

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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
bronze