[3D CAM] MK8 Metal Extruder for RepRap 3D Printer 1.75mm Filament 0.4mm Nozzle 12V 40W Heater NTC3950 Thermistor

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This is single head MK8 metal extruder for use in DIY RepRap 3D Printers. Checkout thingiverse thing:723656 for Prusa i3 3d printed mount for this extruder.

High torque stepper motor,solves overheating problems often seen with less powerful extruder motors.

Extruder technical specs:

• Nozzle: 0.4mm
• Filament size: 1.75mm PLA/ABS or other 3d print materials
• Flow rate of Nozzle: about 24cc / h
• Heating element voltage: 12V
• Heating element power: 30 Watt
• Thermistor: 100K NTC 3950
• Cooling fan voltage: 12V
• Net weight: 450g

Stepper motor parameters:

• Step angle 1.8 deg
• Body length: 40mm
• Holding torque: 500 mN-m / 70 oz-in
• Resistance Per phase: 2.5 Ohm
• Length of cable wiring: 70 cm

NTC 3950 Thermistor parameters:

• Temperature table for NTC3950 thermistor is included now in the Marlin firmware
• Nominal resistance: 100K
• Temperature range: -40C to +30C

Ready to use 1.75mm filament extruder