ВЛИЯНИЕ МЕХАНИЧЕСКИХ СВОЙСТВ ТОНКОЙ ПОЛОСЫ НА УСТОЙЧИВОСТЬ ПРИ ПРАВКЕ С ПОВЫШЕННЫМИ УДЛИНЕНИЯМИ

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    06-Apr-2017

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<ul><li><p> 389 </p><p> , ., Boyko-OA@yandex.ru, , , - </p><p> THE ORETICAL STUDY OF THE DEFORMATION OF A FLAT ROUND BILLETS IN A </p><p>CIRCULAR MATRIX WITH OBTAINING THE PARTS OF THE TYPE POLUTOR SPHERICAL PROFILE IN MERIDIAN SECTION </p><p> V.D. Kuchar, A.N. Pasko, O.A. Ekimova </p><p> Discusses the stress-strain state and force parameters of process of deformation of a </p><p>flat round billet. Key words: kitchen, ring matrix. Kukhar Vladimir Denisovich, doctor of technical sciences, professor, prorector, mpf-</p><p>tula@rambler.ru, Russia, Tula, Tula State University, Pasko Aleksej Nikolaevich, doctor of technical sciences, docent, alek-</p><p>sey.n.pasko@mail.ru, Russia, Tula, Tula State University, Ekimova Oksana Anatol'evna, postgraduate, mpf-tula@rambler.ru, Russia, Tula, Tu-</p><p>la state University </p><p> 621.983; 539.974 </p><p>.. </p><p> ( ) - . </p><p> : , , , , , , . </p><p> -</p><p> - , - [1, 2]. </p><p> [2, 3] , - - , </p></li><li><p> . . 2013. . 9. . 2 </p><p> 390 </p><p> (. 1); - - . </p><p>. 1. : 1 - ; 2 - </p><p> ( </p><p>) . </p><p> - - . , - . xy xoy - (. 1). x -, P ; - . </p><p> y , . , - -, . - . </p><p> . 2 3 - = ttt / ( 0,1=t ) - n : </p></li><li><p> 391 </p><p>nii C= </p><p> 00 / BL p . C n - -</p><p> ; i i - - . </p><p> . 2. t n : </p><p> 1 - 3/ 00 =BL ; 2 - 5,4/ 00 =BL ; 3 - 6/ 00 =BL ( 1,0= p ) </p><p> : </p><p>B 3000 = ; 5,802= ; 3,1=xR ; 2=yR ; 7,045 =R ; o0= . </p><p> . 3. t n : </p><p> 1 - 1,0= p ; 2 - 06,0= p ; 3 - 02,0= p ( 4/ 00 =BL ) </p></li><li><p> . . 2013. . 9. . 2 </p><p> 392 </p><p> -, n 0,1 0,5 t 25 % </p><p> . </p><p>00 / BL 3 6 t 2,3 . </p><p> p 0,02 0,1 </p><p> t 3,5 . </p><p> , - ( 25 %). </p><p> - - , - - 2012-2014 . </p><p> 1. .. . .: -</p><p>, 1974. 136 . 2. .., .. -</p><p> // . . . : - . 2013. . 7. . 200-205. </p><p>3. .. - // . . . : - -. 2013. . 8. . 384-388. </p><p> , . . , ., mpf-tula@rambler.ru, , </p><p>, , </p><p>EFFECT OF MECHANICAL PROPERTIES OF THIN STRIPON STABILITY IN CHANGES WITH INCREASED ELONGATION </p><p> K.S. Remnev </p><p> Shows the effect of mechanical properties (constants hardening curve) thin polo-sy </p><p>for stability when editing tension with increased elongation. Key words: anisotropy, hardening, straightening, tension, stress, deformation, sta-</p><p>bility. Remnev Kirill Sergeevich, candidate of technical sciences, docent, mpf-</p><p>tula@rambler.ru, Russia, Tula, Tula State University </p></li></ul>

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