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DEMAG Systec 420/820-2300 (Servo)

Demag Systec 420/820-2300 (Servo)

Year of manufacture: 2017

Weight: 21,000 kg

Dimensions (L × W × H): 8.0 × 2.3 × 2.6 m

Control system: NC5

Operating hours: 10,800 h

Clamping unit: 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

Opening stroke: –

Ejector stroke: 230 mm

Ejector force: 96 kN

Toggle system with central oil lubrication


Injection unit type: …/2300

Screw diameter: 70 mm
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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 Technology rotary variable displacement pump (activeDrive)

Pneumatic valve 5/2 no. 1 for moving mold components (programmable, centralized compressed air connection, pipe installation)

Freely programmable I/O (3 inputs, 3 outputs)

Interface for additional nozzle heater band (socket)

2 core pull circuits controlled by proportional valves, pressure-independent (programmable, with unlockable non-return valves to prevent core drift)

Manipulator interface according to EUROMAP 67 (50-pin)

Dosing device interface ('Dosing' signal)

Position-controlled ejector, programmable independently of P/F+v, synchronized with mold movements

Ejector movement controlled by proportional valve, continuously adjustable

Reinforced oil cooler (cooling water supply up to 35°C)

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