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Krauss Maffei KM 420-2000 CX

Krauss Maffei KM 420-2000 CX Injection Moulding Machine

Basic Information

Manufacturer: Krauss Maffei
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Model: KM 420-2000 CX
Machine Number: 61030600
Year of Manufacture: 2018
Control System: MC6
Control Panel: Color monitor integrated with the main console

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

Plasticizing System

Complete plasticizing unit suitable 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
Mold opening force: 250 kN
Tie-bar spacing (horizontal × vertical): 800 × 800 mm
Mounting platen dimensions (horizontal × vertical): 1270 × 1230 mm
Max mold opening stroke: 1020 mm
Min mold height: 580 mm
Max platen opening stroke: 1600 mm
Ejector stroke: 250 mm
Ejector force (forward / return): 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 flow rate: 368 cm³/s
Screw rotation speed: 285 rpm
Plasticizing capacity: 72.2 g/s
Nozzle contact force: 82 kN

Electrical and Hydraulic Equipment

Pump drive rating: 75 kW
Installed heater capacity: 29 kW
Number of barrel heating zones: 6 (+1 extended nozzle)
Dry cycle time (EUROMAP 6): 3.0 s / 560 mm
Required hydraulic oil volume: 1000 l

Machine Dimensions and Weight

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

Optional Energy Saving System ESS (Energy Saving Systems)

The machine can be equipped with the ESS servo drive system, which enhances the energy efficiency of hydraulic injection moulding machines.

The system controls pump motor operation via a frequency converter, adjusting the speed of the motor according to actual demand during the production cycle.

Key Benefits:

- Reduction of electrical energy consumption by up to 30%
- Hydraulic pump servo drive technology
- Global quality and proven industrial technology
- Reduced energy losses during idle operation
- Lower hydraulic system heating
- Extended service life of hydraulic components
- Can be retrofitted to existing hydraulic injection moulding machines

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