Injection molding machine

DEMAG Systec 420/820-2300 (Servo)

Demag Systec 420/820-2300 (Servo)

General Information

Year of manufacture: 2017
Weight: 21,000 kg
Dimensions (L × W × H): 8.0 × 2.3 × 2.6 m
Control: NC5
Operating hours: 10,800 RbH

Clamping Unit

Clamping system: 420/...
Clamping force: 420 t
Platen dimensions (H × V): 1200 × 1200 mm
Tie bar spacing (H × V): 820 × 820 mm
Mould height (min.–max.): 380 – 1050 mm (extended by 225 mm)
Maximum daylight between platens: 1050 mm
Mould opening stroke: –
Ejector stroke: 230 mm
Ejector force: 96 kN
Knee lever design with central oil lubrication

Injection Unit

Injection unit type: …/2300
Screw diameter: 70 mm
Screw L/D ratio: 20
Injection volume: 1212 cm³
Shot weight: 1103 g
Specific injection pressure: 1877 bar
Hydraulic screw drive, motor I (high speed)
Screw with wear protection (double bimetal, standard L:D)

Additional Equipment

Servo rotary adjustable pump Technology (activeDrive)
Pneumatic valve 5/2 No. 1 for movable mould parts (programmable, central compressed air connection, pipe installation)
Freely programmable inputs/outputs (3 inputs, 3 outputs)
Interface for additional nozzle heating band (socket)
2 core pull circuits controlled by proportional valves, independent of pressure (programmable, equipped with unlockable check valves to prevent core drift)
Interface for handling devices according to EUROMAP 67 (50-pin)
Interface for dosing devices ("Dosing" signal)
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Ejector with position adjustment, freely programmable independent of P/F+v, parallel to mould movement
Ejector motion controlled by proportional valve, infinitely adjustable
Reinforced oil cooler (cooling water inlet up to 35°C)

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