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نمایش تعداد 1-10 از 247

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    Geometric Simulatiin of Five - Axis Ball -End Milling 

    نوع: Conference Paper
    نویسنده : بهنام معتکف ایمانی; Behnam Moetakef Imani
    سال: 2000
    خلاصه:

    Milling Simulation- Ball- end milling - CAD/CAM...

    Development of a mathematical expression for the variation of amorphization phenomenon during intensive milling of minerals 

    نوع: Journal Paper
    نویسنده : - M.Sh. Bafghi; A.H. Emami; جلیل وحدتی خاکی; A. Zakeri; Jalil Vahdati Khaki
    سال: 2009
    خلاصه:

    Abstract

    Attempts have been made to develop a mathematical expression on the basis of dislocation theory to describe the effect of intensive milling time on the changes of dislocation density as well as amorphization degree of a mineral...

    ANTICIPATION OF STABILITY LIMITS FOR TWO DEGREE-OF -FREEDOM INTERRUPTED MILLING 

    نوع: Journal Paper
    نویسنده : بهنام معتکف ایمانی; M. H. Sadeghi; M. Kazemi; Behnam Moetakef Imani
    سال: 2009
    خلاصه:

    Milling is becoming an increasingly universal machining operation for producing parts used in aerospace,

    automotive, and life science engineering industries. The characteristics common to such parts are

    a high level of complexity...

    Milled Rice Quality Assessment 

    نوع: Journal Paper
    نویسنده : رضا فرهمندفر; Esfandiyar Farahmandfar; Mahdi Ghasemi Varnamkhasti; Mahdi Zarei; Reza Farahmandfar
    سال: 2010
    خلاصه:

    Milling, an important processing step of rough rice, is usually done to produce white, polished grains. In this paper the quality of 22 milled rice varieties, common in Mazandaran, Iran, are investigated. These rice varieties included local...

    Comprehensive Simulation of Surface Texture for End-milling Process 

    نوع: Journal Paper
    نویسنده : بهنام معتکف ایمانی; سید احسان لایق خویدکی; Behnam Moetakef Imani; Seyed Ehsan Layegh khavidaki
    سال: 2008
    خلاصه:

    processes in manufacturing is machining. In this research end-milling process which is one of the complex and wide-spread processes in machining is chosen. Most important parameters in end-milling are surface roughness and surface location errors. A...

    An improved process simulation system for ball-end milling of sculptured surfaces 

    نوع: Journal Paper
    نویسنده : بهنام معتکف ایمانی; Behnam Moetakef Imani
    سال: 1998
    خلاصه:

    A simulation system is developed in this paper, which deals with the geometry and mechanics of machining

    with ball-end milling cutters. The geometry of the workpiece, the cutter, and the cutter/workpiece

    engagement is modeled using a...

    Feed and acceleration region optimization during milling along free-form tool path 

    نوع: Conference Paper
    نویسنده : بهنام معتکف ایمانی; محمدجواد برکچی فرد; Behnam Moetakef Imani; ; بهنام معتکف ایمانی; محمدجواد برکچی فرد; Behnam Moetakef Imani
    سال: 2003
    خلاصه:

    CNC machine tools can simultaneously drive two or more axes of motion along tool path computed by CAD/CAM softwares. Several algorithms have been developed to compute reference points for each axis in real time; due to ...

    Influence of Moisture Content, Variety and Parboiling on Milling Quality of Rice Grains 

    نوع: Journal Paper
    نویسنده : ابوذر نصیراحمدی; باقر عمادی; محمدحسین عباسپور فرد; Hamid Aghagolzade; Abozar Nasirahmadi; Bagher Emadi; M. Hossein Abbaspour-Fard
    سال: 2014
    خلاصه:

    The effects of moisture content (8%, 10% and 12%), variety (Tarom and Fajr) and parboiling on milling quality (MQ) of rice as a function of milling recovery (MR), head rice yield (HRY), degree of milling (DOM) and whiteness were investigated...

    بررسی مقدار ژنوم عناب بومی ایران 

    نوع: Conference Paper
    نویسنده : معصومه, عظیمی; مریم, جعفرخانی کرمانی; محمدرضا, عظیمی; کمال, غوث
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    DEVELOPING A SURFACE ROUGHNESS MODEL FOR END-MILLING OF MICRO-CHANNEL 

    نوع: Journal Paper
    نویسنده : شهریار کوراوند بردپاره; بهنام معتکف ایمانی; Shahriar Kouravandbardpareh; Behnam Moetakef Imani
    سال: 2014
    خلاصه:

    Micro-milling operations are one of the common manufacturing processes that are used primarily to produce miniaturized components within the range of less than a millimeter. The surface roughness of the channel plays an important role in the motion...

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