... boring , then it being droved up by the oil cylinder piston ,oil will outflow from the gap of press boring , ... main power force of this machine, it includes transmission shaft, turbine, worm gear, gear pump, high pressure pump, overflow valve; ... meter, pressure gauge, power insurance and so on.Hydraulic oil press capacity materialsmodelstime period/timeweight/timeoutput /10 houroil ratiosesametype 1805 ...