1. S-teel-welded construction, vibration to eliminate stress, with high strength and good rigidity. 2. Hydraulic top-drive, steadiness and reliability. 3. Mechanical stop, steel torsion bar to maintain synchronization, high precision. 4. Motorzed-adjusing device if back gauge and rams stroke, fine adjusting by handwheel, numerical display. 5. Deflection compensation unit installed on the top die. Manual crowned bottom die holder is adopted for the machine above 250ton stength4000mm. Travel limit protection. Full machine guarding with safety interlocker. No Name Data Unit Remarks 1 Nominal pressure 4000 KN 2 Length of working table 6000 mm 3 Plate strength ≤ 450 N/mm2 4 The distance of column 4600 mm 5 Ram stroke 250 mm 6 Max opening height 580 mm 7 Depth of throat 450 mm 8 Working table height 1200 mm 9 Ram speed Free 70 mm Running 9 mm Return back 50 mm 10 Main Type Y225S-4 B5 Power 37 KW Speed 1480 rpm 11 Max pressure of system 25 Mpa 12 Gear pump Type NB4-G63F Speed 63 L/min Pressure 32 Mpa 13 Out size Length 6100 mm Width 2200 mm Height 3630 mm
