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Information × Registration Number 0305U003803, 0105U002523 , R & D reports Title To develop theoretical rules and technique of designing of the specialized calibration of rolls for manufacture of preparation of round cross section by a diameter 310 and 330 mm popup.stage_title Розробка підходу до проектування калібровки з урахуванням критерію стійкості підкату при прокаткі заготівки круглого перетину діаметром понад 300 мм Head Konovalov Ur.V., Registration Date 15-07-2005 Organization Donetsk National Technical University popup.description2 Object investigations - tethnology of processes of rolled bar a dia 310 and 330 mms. The purpose of research - mining of a technique of designing of calibration of rolls for a semifinished section a dia more than 300 mms. Method of testings - analysis of a technical publications, mathematical modelling of process of rolling of bars in rolls with designed calibration. The stability criterion of a hot-rolled breakdown is designed at rolling circles of large diameter - than closer contour of a band adjoins to a contour of rolls in section(cross-section) of an initial contact, acquisition especially is steady. With allowance for of this yardstick the calibration of rolls for rolling circles of large diameters is designed. Product Description popup.authors popup.nrat_date 2020-04-02 Close