DEMAG - Ergotech System 250 - 1450CH-INJ-DEM-1995-00001

• Clamping unit:

  • Clamping force: 2500 kN (holding force 2750 kN)

  • Opening stroke max.: 675 mm

  • Tool/mold height: 330–710 mm

  • Clear tie-bar spacing: 630 × 630 mm

  • Max. spacing of tool clamping plates: 950 × 950 mm

  • Max. mold weight: 3300 kg

  • Ejector stroke: 200 mm

  • Ejector force: 80 kN (retraction force 35 kN)

  • 5-point double toggle lever, compact; oil-lubricated toggle levers with optimized pulses

  • Support for moving platen; height-adjustable mold mounting plates

  • Induction-hardened tie bars (4-fold), upper columns extendable

  • 3 mold opening/closing speeds; clamping force adjustable on IBED

  • Hydraulic mold ejector; position measuring system for mold plates

  • Automatic mold cooling shutdown in case of malfunctions

• Injection unit:

  • Injection unit: 1450

  • Screw diameters: 50 / 60 / 70 mm (currently equipped: 70 mm)

  • L/D ratio: 20:1 (all screw cylinders)

  • Max. dosing stroke: 270 mm

  • Active screw retraction system; hydraulic screw retraction after holding pressure or plasticizing

  • Separately heated cylinder zones; 5 self-optimizing temperature control loops (cylinder & nozzle)

  • Speed control via 10 support points (polygon profile)

  • Screw speed control via 6 stages

  • Holding pressure control: 10 stages (polygon profile)

  • Injection via displacement measuring system (rapid/creep)

  • Adjustable back pressure; cushion monitoring during holding pressure

  • 2 3-speed injection molding system; two-stage ejection speed

• Nozzle:

  • Nozzle stroke max.: 440 mm

  • Nozzle immersion depth: 40 mm

  • Nozzle contact force: 110 kN

• Performance/data:

  • Max. part weight (PS): 927 g

  • Filling hopper capacity: 110 L

  • Oil tank capacity: 700 L

  • Pump unit: 37 / 45 kW

  • Electrical connection: 380 V / 50 Hz

• Controls and HMI:

  • Fully controlled injection molding machine; modular design

  • Energy-saving DFE hydraulic control pump

  • Cylinder change system with automatic data conversion

  • Built-in ramp function for mold opening/closing

  • Operator terminal IBED with 10" LCD and 3.5" floppy disk drive

  • Setpoint input in bar, cm³, mm/s, or %

  • Graphic support for injection profiles

  • PDE process data acquisition (20 parameters + 100 cycle graphs); process control

  • Plain text error diagnostics

  • Process data transfer to other ERGOtech machines

  • On/off program with ejection spraying

  • Help function with diskette

• Interfaces and connections:

  • EOAT/peripheral bus for device connection

  • V24 interface for hardcopy printer; printer program + hard copy

  • Handling interface VDMA 24465 (32-pin)

  • Tool protection interface (ejector plate lock)

  • Tool connection DIN standard

  • Socket combination:

    • 2× 220 V / 2× 380 V + automatic shut-off

    • 2× 220 V + 1× 380 V socket (SO)

  • Pneumatic valves (3/2) for tool mounting plate

  • Cooling water control: 8-way (expandable to 12-way)

  • Visual fault indicator (flashing light)

• Paint finish:

  • Lower part anthracite; upper part blue/green/light gray

Additional equipment

• Sepro robot (handling)

  • Horizontal cross-stroke X: total 3000 mm (X1 = 2580 mm / X2 = 420 mm)

  • Drive: servo motor

  • Max. travel speed: 4000 mm/s

  • Output side: rear of machine

  • Fixed base height approx.: 480 mm

• Material hopper

• Temperature controller with graphical recording

• Cooling water control unit: 8-way, expandable to 12-way

• Resilient machine mounting (vibration-damping feet)