. Steel-welded construction, vibration to eliminate stress, with high strength and good rigidity. 2. Hydraulic top-drive, steadiness and reliability. Mechanical stop, steel torsion bar to maintain synchronization, high precision. 3. Motorized-adjusting device of back gauge and rams stroke, fine adjusting by hand wheel, numerical display. 4. Deflection compensation unit installed on the top die. Manual crowned bottom die holder is adopted for the machine above 250 ton, length 4000mm. 5. Travel limits protection. Full machine guarding with safety interlocker.
