HYDRAULISCHE PRESSE ZUM ABSCHEREN ODER DURCHTRENNEN

摘要

Hydraulic press for performing shearing, cutting and bloom-compression operations comprising a pressure-fluid accumulator operatively connected to the working chamber of the main piston having its rod rigid with a slide member coupled via linkage means and a bell-crank lever to the longitudinal stem of a spool valve movable in a spool valve chamber communicating via a first port to the fluid reservoir, via a second port to the accumulator and via a third port to the pressure chamber of the main piston.