Main technical data of open die electro-hydraulic hammer series The First company in China to get forging & pressing equipment approval data type DYZ1 DYZ2 DYZ3 DYZ5 DYZ6 DYZ7 DYZ8 DYZ10 (Kg) Weight (lower part) 1300 2500 4000 6000 6500 7500 8500 10500 (KJ) Nominal striking capacity (KJ) 35 70 125 175 210 250 280 350 (mm) Max. striking stroke (mm) 1000 1100 1350 1700 1700 2100 2100 2100 (m/s) Striking speed (m/s) 7.3 7.5 7.9 7.6 8.0 8.1 8.1 8.2 Striking frequency (time/minute) 70-130 70-130 65-120 60-100 60-100 50-100 50-100 50-100 Original press of master cylinder’s gas room (Mpa) 4.0 4.5 4.0 3.5 3.5 2.6 3.0 2.9 (KW) Lading capacity of main machine (KW) 75 150 300 375 450 525 525 540 Matched hydraulic press station (Mpa) System press 12-13.5 12-13.5 11.5-13 12-13.5 11.5-13 11.5-13 12.5-14 11.5-13 Flow (L/min) 225 450 900 1125 1350 1575 1575 2160