Contact angles with a free upper roll of roll machines
Nuriddin AnnaevTashkent Institute of Architecture and Civil Engineering, Navai street, 13, Tashkent city, 100011, UzbekistanE. S. BurievTashkent Institute of Architecture and Civil Engineering, Navai street, 13, Tashkent city, 100011, UzbekistanB. A. AbdurakhmonovTashkent Pharmaceutical Institute, Oybek street, 45, Tashkent city, 100015, UzbekistanБ. А. АбдурахмановTashkent Institute of Architecture and Civil Engineering, Navai street, 13, Tashkent city, 100011, Uzbekistan
ABI
Abstract
In the work the expressions of the contact angles of the roller machine with the upper free roller are found. These formulas determine the contact angles for all cases of material interaction with rolls of technological machines. It has been established that the maximum thickness of the material layer that can be captured by the rolls of a two-roll module is almost four times less with a free upper roll than with a drive roll.
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