Тернопольский Национальный Технический Университет Имени Ивана Пулюя
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A method of manufacturing wide-strip helical blanks, at which a toothed blank is cut, which consists of grooves and teeth plates connected by grooved crosspieces. A helical coil is formed by drawing on the crosspieces of ducts in the form of cones with vertices directed toward the inner edges of plates of teeth followed by leveling the crosspiece.
UAU201011430U2010-09-272010-09-27Method of manufacturing wide-strip helical blanks
UA58380U
(en)
Method for manufacturing electrical steel sheet laminated core having reduced core loss and increased strength, and laminated core produced by the same