Altra pressa AWS SCHÄFER HFC 120

Technical data

• Locking force 120,000 kN
• Preforming force 2,400 kN
• Retraction force 2,000 kN
• Max. Mold weight upper part 30,000 kg
• Plunger stroke 1250 mm
• Closing speed (theoretical 450 mm/s)400 mm/s
• Max. Pressing speed 150 mm/s
• Return speed (theoretical 450 mm/s) 400 mm/s
• Positioning accuracy ± 0.1 mm
• Measuring resolution 0.01 mm

Pressure regulating systems for gun pre-tensioning

• Number of independent systems 2 sets (1 x top, 1 x bottom)
• Max. Pressure 25 MPa
• Max. Return flow rate 2 x 900 l/min
• Accuracy of pressure regulation ± 0.5 MPa

Pump - Motor

• Pump capacity 3 x 360 l/min
• Max. Working pressure 30 MPa
• Electric motors (3 x 160) 480 kW
• Electric motor cooling/filter circuit22 kW
• Speed1450 rpm (50 Hz)

Pressure accumulator system

• Min. - Max. Working pressure 27 - 30 MPa
• Volume piston accumulator (6 x 50) 300 liters
• Oil tank volume 4000 liters

• Tisch Breite 2550 mm
• Tisch Länge (2 x 3000) 6000 mm
• Max. Einbauhöhe, Traverse oben – Traverse 2590 mm
• Min. Einbauhöhe, Traverse unten – Traverse 1340 mm
• Hub Traverse 1250 mm
• Wkz.-Vorspannung Einbauhöhe ( 2 x 70 ) 140 mm