LDO Orbiter 2.5 Extruder 1.75mm

Specs:

• Gear ratio - 7.5:1
• 12 mm diameter filament pushing gears
• Filament pushing force:
  • LDO-36STH20-1004AHG 20mm stepper up to 9.4Kg 1 amp
• Filament acceleration up to 600mm/s^2
• Retraction speed: 60mm/s(24V power supply), 30mm/s (12V power supply)
• Overall weight is about 140g (with the 17mm stepper)
• Maximum operating temperature ~120 C
  
  links:  here