Macchina per lo stampaggio a iniezione

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

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Platen dimensions (H × V): 1200 × 1200 mm

Tie bar spacing (H × V): 820 × 820 mm

Mould height (min.–max.): 380 – 1050 mm (increased by 225 mm)

Maximum daylight between platens: 1050 mm

Opening stroke: –

Ejector stroke: 230 mm

Ejector force: 96 kN

Knee lever system with central oil lubrication


Injection unit type: …/2300

Screw diameter: 70 mm

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 variable speed pump (activeDrive)

5/2 pneumatic valve no. 1 for moving mould components (programmable, central compressed air connection, pipework)

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

Interface for additional nozzle heating band (socket)

2 core pull circuits, independently programmable and pressure-independent, controlled by proportional valves (with unlockable check valves for core drift protection)

Manipulator interface according to EUROMAP 67 (50-pin)

Interface for dosing devices ("Dosing" signal)

Ejector with position regulation, programmable independently of P/F+v, parallel to mould movement

Ejector movement controlled by proportional valve, steplessly adjustable

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

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