. "Nov\u00FD matematick\u00FD model ur\u010Duj\u00EDc\u00ED tv\u00E1\u0159ec\u00ED faktor"@cs . "A new mathematical model determinating the forming factor"@en . "Schindler, Ivo" . "477-483" . "7"^^ . "The forming factor QFv enables conversion of the equivalent stress σe value, obtained e.g. by means of plastometric measurements, to the roll force and predict load in forming. For determination of the forming factor it was necessary to carry out continuous torsion tests in the plastometric laboratory of Research and Development of V\u00EDtkovice and rolling of flat samples in the laboratory rolling mill Tandem in the Institute of Modelling and Controlling of Forming Processes. Comparing the obtained values of mean stress, forming factor for the applied rolling mill could be developed as a function of geometrical parameters of rolling. A new model for the forming factor was developed in dependence on a wide range of values of aspect ratio"@en . "3"^^ . . "Tv\u00E1\u0159ec\u00ED faktor QFv umo\u017E\u0148uje p\u0159ev\u00E9st hodnotu p\u0159irozen\u00E9ho deforma\u010Dn\u00EDho odporu σe, z\u00EDskanou nap\u0159\u00EDklad pomoc\u00ED plastometrick\u00E9ho m\u011B\u0159en\u00ED, na v\u00E1lcovac\u00ED s\u00EDlu a predikovat zat\u00ED\u017Een\u00ED p\u0159i vlastn\u00EDm tv\u00E1\u0159en\u00ED. Pro tento experiment bylo nutn\u00E9 prov\u00E9st v plastometrick\u00E9 laborato\u0159i V\u00FDzkumu a v\u00FDvoje, V\u00EDtkovice spol. s r. o. spojit\u00E9 krutov\u00E9 zkou\u0161ky a v\u00E1lcov\u00E1n\u00ED ploch\u00FDch vzork\u016F na laboratorn\u00ED v\u00E1lcovac\u00ED stolici TANDEM v \u00DAstavu modelov\u00E1n\u00ED a \u0159\u00EDzen\u00ED tv\u00E1\u0159ec\u00EDch proces\u016F. Srovn\u00E1n\u00EDm takto z\u00EDskan\u00FDch st\u0159edn\u00EDch deforma\u010Dn\u00EDch odpor\u016F mohl b\u00FDt odvozen nov\u00FD model tv\u00E1\u0159ec\u00EDho faktoru na v\u00E1lcovac\u00ED stolici s uva\u017Eov\u00E1n\u00EDm geometrick\u00FDch parametr\u016F v\u00E1lcov\u00E1n\u00ED. Nov\u00FD model tv\u00E1\u0159ec\u00EDho faktoru je v z\u00E1vislosti na \u0161irok\u00E9m rozsahu geometrick\u00FDch pom\u011Br\u016F ."@cs . . "SK - Slovensk\u00E1 republika" . "4"^^ . "A new mathematical model determinating the forming factor" . . . "P(GA106/04/1351), Z(MSM6198910015)" . "4" . . "27360" . "A new mathematical model determinating the forming factor" . . . . "RIV/61989100:27360/06:00014170" . "Kubina, Tom\u00E1\u0161" . "The forming factor QFv enables conversion of the equivalent stress σe value, obtained e.g. by means of plastometric measurements, to the roll force and predict load in forming. For determination of the forming factor it was necessary to carry out continuous torsion tests in the plastometric laboratory of Research and Development of V\u00EDtkovice and rolling of flat samples in the laboratory rolling mill Tandem in the Institute of Modelling and Controlling of Forming Processes. Comparing the obtained values of mean stress, forming factor for the applied rolling mill could be developed as a function of geometrical parameters of rolling. A new model for the forming factor was developed in dependence on a wide range of values of aspect ratio" . "A new mathematical model determinating the forming factor"@en . . "463651" . . . "1335-1532" . "Nov\u00FD matematick\u00FD model ur\u010Duj\u00EDc\u00ED tv\u00E1\u0159ec\u00ED faktor"@cs . . "RIV/61989100:27360/06:00014170!RIV07-GA0-27360___" . . "Acta Metallurgica Slovaca" . . "Rusz, Stanislav" . . "12" . . "Bo\u0159uta, Josef" . . . . "[93A953771BAA]" . "forming factor; torsion test; hot strip rolling; mean equivalent stress"@en .