ГИДРОВИНТОВОЙ ПРЕСС-МОЛОТ ДВОЙНОГО ДЕЙСТВИЯ

摘要

FIELD: mechanics. ^ SUBSTANCE: dual-action screw hydraulic press-hammer comprises lead nut with screw arranged in the foundation, drift-pin and slider with upper stamp. Screw features a lower cylindrical part, slider is linked up with hydraulic cylinder plungers and runs in thrust bearings. Aforesaid slider is furnished with cylindrical bores for screw lower cylindrical part and drift-pin to axially move therein. Said drift-pin is attached to the said screw lower cylindrical part provided with groove receiving half-rings accommodating the slider. ^ EFFECT: simpler design, higher reliability. ^ 2 dwg