Please note that: The default is o.3mm nozzle for 1.75mm filament. If you want to change the size(0.35mm 0.4mm 0.5mm are available), you can contact us or leave us a message when you order. Thanks. O(∩_∩)O~~ 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. Features: 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° Parameters: The extrusion nozzle: 0.3mm,0.35m,0.4mm,0.5mm (optional) The material of Print: 1.75mm or 3mm PLA/ABS The flow rate of Nozzle: about 24cc / h Sports shaft speed:40mm/s The voltage of heating nozzle: 12V Thermistor: 100K NTC The operating voltage of cooling fan: 12V Normal working temperature: 190°-230° Net weight: 450g Assembled parts details: 1.Stepper Motor: Model: 42SHD0217-24B 2 Phase Step Angle: 1.8 degree± 5% Rated Voltage: 3.75V Rated Current: 1.5A Holding torque: 500mN.m Detent torque: 15mN.m Resistance Per phase: 2.5 Ω+10% Inductance per phase: 5.0mH ± 20% Insulation cllass:B Length of Wire: 70cm 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 list: 1 x assembled Geeetech MK8 extruder (0.4mm nozzle for 1.75mm filament) |