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Krauss Maffei KM 420-2000 CX

Krauss Maffei KM 420-2000 CX Injection Moulding Machine

Basic Information

Manufacturer: Krauss Maffei
Model: KM 420-2000 CX
Machine number: 61030600
Year of manufacture: 2018
Control system: MC6
Control panel: colour monitor integrated with operator's console

The machine is equipped with a fully hydraulic clamping system and the advanced MC6 control system.

Plasticizing Unit

Complete plasticizing unit designed for processing thermoplastics.
High-performance screw: HPS-UN
Screw diameter: 60 mm
Non-return valve: yes
Nozzle type: open
Nozzle radius: 15 mm
Nozzle opening: 6 mm
Injection unit: SP 2000

Clamping Unit

Clamping force: 4200 kN
Mould opening force: 250 kN
Dimensions of mounting platens (horizontal × vertical): 1270 × 1230 mm
Tie bar spacing (horizontal × vertical): 800 × 800 mm
Max. mould opening stroke: 1020 mm
Min. mould height: 580 mm
Max. platen opening stroke: 1600 mm
Ejector stroke: 250 mm
Ejector force (forward / backward): 95 / 49 kN

Injection Unit

Screw diameter: 60 mm
L/D ratio: 23.3
Injection pressure: 2420 bar
Shot volume: 792 cm³
Shot weight (PS): 720 g
Injection speed: 130 mm/s
Injection rate: 368 cm³/s
Screw rotation speed: 285 rpm
Plasticizing rate: 72.2 g/s
Nozzle contact force: 82 kN

Electrical and Hydraulic Equipment

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Nominal pump drive power: 75 kW
Installed heating power: 29 kW
Number of cylinder heating zones: 6 (+1 extended nozzle)
Dry cycle time (EUROMAP 6): 3.0 s / 560 mm
Hydraulic oil requirement: 1000 l

Machine Dimensions and Weight

Net weight (incl. control cabinet): 21.5 t
Machine dimensions (L × W × H): 6.90 × 2.49 × 2.38 m
Max. mould weight: 6700 kg

Optional Energy Saving System ESS (Energy Saving Systems)

The machine can be equipped with the ESS servodrive system, which improves the energy efficiency of hydraulic injection moulding machines. The system controls the operation of the hydraulic pump motor via a frequency inverter, adapting the motor speed to the real-time requirements during the production cycle.

Key Benefits

- Reduction of electrical energy consumption by up to 30%
- Hydraulic pump servodrive technology
- Global quality and proven industrial technology
- Reduced energy losses during idle running
- Lower hydraulic system heat build-up
- Extended service life of hydraulic components
- Retrofitting possible for existing hydraulic injection moulding machines

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