Injection molding machine

KraussMaffei KM 420-2000 CX

Injection Moulding Machine KRAUSS MAFFEI KM 420-2000 CX

Basic Data

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 console

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

Plasticizing Unit

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

Clamping Unit

Clamping force: 4200 kN
Mould opening force: 250 kN
Platen size (H x V): 1270 × 1230 mm
Tie bar clearance (H x V): 800 × 800 mm
Max mould opening stroke: 1020 mm
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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
Injection 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 rate: 72.2 g/s
Nozzle contact force: 82 kN

Electrical & Hydraulic Equipment

Nominal pump motor power: 75 kW
Installed heater capacity: 29 kW
Number of cylinder heating zones: 6 (+1 extended nozzle)
Dry cycle time (EUROMAP 6): 3.0 s / 560 mm
Required hydraulic oil volume: 1000 l

Dimensions & 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 an ESS servo drive system, which increases the energy efficiency of hydraulic injection moulding machines.

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

Key Benefits:
- Reduction of electricity consumption by up to 30%
- Servo drive technology for the hydraulic pump
- World-class, proven industrial technology
- Reduction of energy losses during idle runs
- Lower heating of hydraulic system
- Extended life of hydraulic components
- Can be retrofitted to existing hydraulic injection moulding machines

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