Introduction to the combined press tensioning screw connection and pre-tensioning end structure,hydraulic extractor,hydraulic nut,induction heating three pre-tensioning methods are introduced and com-pared to determine the pre-tensioning related methods of calculation,and to provide tensioning screw and nut strength and fatigue calibration methods for the design of the tensioning part of the combined press to provide a theoretical basis.
Closed type pressCombination bodyStructural designPreloadCalculation