نتایج جستجو برای: rolling cultivator

تعداد نتایج: 19167  

Journal: :Japanese Journal of Human Geography 1953

Journal: :international journal of advanced design and manufacturing technology 0
mohammad heydari vini department of engineering, islamic azad university,mobarakeh branch,mobarakeh,isfahan, ,iran

the forging model for cold rolling is one of rolling models that is used in rolling calculations. in this model,the final rolling pressure is an average value and it is not an accurate model.also by using this model,the firction hill curves are plotted due to the central point of the rolling bite length while frictional stresses intersect at the neutral point.in this study, a new model based on...

Journal: :international journal of advanced design and manufacturing technology 0
ahmad haghani department of mechanics, faculty of engineering, shahrekord branch, islamic azad university, shahrekord, iran

strip tearing during cold rolling process has always been considered among the main concerns for steel companies. several works have been done so far regarding the examination of the issue. in this paper, experimental data from cold rolling tandem mill is used for detecting strip tearing. sensors are placed across the cold rolling tandem mill. they receive information on parameters (such as ang...

Journal: :ENGINEERING, ENERGY, TRANSPORT AIC 2020

Journal: :journal of modern processes in manufacturing and production 2013
mohammad heydari vini

cold rolling process of a major transformation in the form of sheet metal and a wide range of steel products are produced in this way. elastic deformation during cold rolling working rollers and the inevitable increase in the rolling force. in this study, the effect of elastic deformation during cold rolling mill rollers working on the reciprocating back and forth in tandem with the presence of...

Journal: :Asian Journal of Applied Science and Engineering 2014

Journal: :Agricultural Machinery and Technologies 2018

Mohammad Heydari Vini, Pedram Farhadipour Sayed Mohammad Reza Loghmanian

Temper rolling or skin pass rolling is one of cold rolling processes composed of a horizontal pass cold rolling mill stand. In this process, the thick strip is subjected to very light reduction (0.5–4%) in thickness in the presence of high friction amplitudes. One of the basic parameters of strip rolling processes is temper rolling force. A new rolling force model has been proposed for temper r...

Journal: :journal of modern processes in manufacturing and production 2014
pedram farhadipour mohammad heydari vini sayed mohammad reza loghmanian

temper rolling or skin pass rolling is one of cold rolling processes composed of a horizontal pass cold rolling mill stand. in this process, the thick strip is subjected to very light reduction (0.5–4%) in thickness in the presence of high friction amplitudes. one of the basic parameters of strip rolling processes is temper rolling force. a new rolling force model has been proposed for temper r...

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