Extruder Latest Upgrade Nozzle Print head 0.4mm 1.75mm for 3D Printer Reprap

Description:

• This is Geeetech upgraded single head MK8 extruder, which has outstanding quality and the best performance for DIY and professional systems. By simply adding a holder, you can assemble your own dual head extrusion
• With 42SHD0217-24B stepper motor, you will find it easy to solve the problems of uneven extrusion, regularly plugging, material reloading
• 42mm high quality stepper motor with larger torque and less heat buildup
• Special ceramic insulation cotton ensures the stability of heating; electricity-saving
• Direct transmission, without the heavy gears, compact size and weight
• A variety of specifications to choose, the most suitable is the best
• NOTE: Make sure the maximum temperature is less than 280°

Specifications:

• The extrusion nozzle: 0.4mm
• The material of Print: 1.75mm
• The flow rate of Nozzle: about 24cc / h
• Sports shaft speed:40mm/s
• The voltage of heating nozzle: 12V
• The operating voltage of cooling fan: 12V
• Normal working temperature: 190°-230°
• Net weight: 450g

Assembled parts details:
 
1.Stepper Motor:

• 2 Phase
• Step Angle:1.8±5% degree
• Voltage: 3.75V DC
• Current: 1.5A/phase
• Holding torque:500mN.m Min
• Phase Resistance:8.8±10% Ω(20℃)
• Phase Inductance:18±20%mH(1kHz 1V rms)
• Rotor torque:57g.cm2
• Weight:240g Ref.
• Insulation resistance:100MΩ Min.(DC 500V)
• Insulation class: B(130℃)

2. Cartridge heater

• Materail: Stainless Steel, PVC, Nylon
• Voltage: 12V
• Power: 40w
• Wire Length :1m
• Heater size: 6 x 20mm(D*L)

3.Thermistor MF58

• B-value:3950K±3%
• Resistance:100Kohm±1%
• Thermal time constant in air:≤7Sec
• Operating temperature：-40℃to +300℃
• Dissipation constant in air：2.1mW/℃

Package Includes:

• 1 x Assembled Geeetech MK8 extruder