Main technical parameters ofhammer: Nominal fall weight: 8TActual fall weight: 8.4TMax striking capacity: 250KJMax stroke of hammer: 1900mmStriking frequency of total stroke: 52times/minStriking frequency of short stroke: 100times/minMain cylinder pressure: 10-13MpaWorking pressure of drive gas: 3.0-4MpaMax working capacity of system: 1820L/minInstalled power of main motor: 75*7KWPiston diameter: 180mmHammer rod diameter: 120mm