Abstract
Stable hydraulic pressure pulse series can be generated by an appropriate valve operation at a pipe end. The pressure of the pulse series is amplified by a booster piston, consequently the pressure pulse series with a pressure higher than 400 MPa is obtained for a frequency of 15.2 Hz. By a pressure intensifier applying the amplified pressure pulse series, a continuous oil flow with an amplified pressure higher than 300 MPa is obtained for a source pressure of 6.6 MPa, Using this pressure pulse series generator as a lateral pressure cutting device of a ductile material, an aluminum column of 20 mm in diameter with a notch is cut after 580 cycles of the repeating pressure of 204 MPa. Hydraulic pressure pulse series generator discussed in this paper is practical enough to be used as a pressure intensifier and a lateral pressure cutting device.
