Raise3D N2 And N2+ Dual Titan Etruder

thingiverse

PB Dual Titan Extruder Upgrade for Raise3D N2 and N2+ Link to Post on Raise3D Community: http://forum.raise3d.com/viewtopic.php?f=4&t=1579 Technical Data: Weight with 2x Nema 17 34mm Stepper Motors: 540g, Original Extruder: 879g. Total Height: 118mm, Original Extruder: 135mm. Total Width: 89mm, Original Extruder: 74mm. Total Depth: 72mm, Original Extruder: 68mm. No Restriction on Print Volume; Upgrade Still Meets Original Specifications. Designed in SolidWorks 2016. Necessary Changes to Fit This Extruder: Drag Chain Needs One Link Longer; Borrowed from Heated Bed Drag Chain. Cable Harness Requires Approximately 3-5cm Longer; Cables Long Enough, Slightly Rearrange. Stepper Motor Direction Reversed; Switch Outer Wires Using Needle to Release Connectors. Firmware Updated with Correct Value Based on Stepper Motors' Resolution: 417.5 Steps for 1.8deg and 835 Steps for 0.9deg Motor. Extruder Stepper Controller Voltage Adjusted to Correct Value Based on Used Stepper Motor; Approximately 45% of Rated Current in Voltage, 0.8A, and 0.355V. Hardware Needed: 2x Titan Extruders for Donor Parts; http://e3d-online.com/Titan-Extruder Cheaper Solution Available by Buying Parts Separately; Spring Cannot Be Bought Separately from E3D. Spring Data Supplied by E3D: http://springsdirect.co.uk/product/s-211/ Extra Bearings Needed: 2x 3x10x4, 4x MR95ZZ, and 200mm of PTFE Tubing for 1.75mm Filament. Hardware Required: 4x Bearings 5x9x3 (MR95ZZ); http://e3d-online.com/Mechanical/Motion/MR95ZZ 8x DIN 912 M3x30 Hex Socket Head Screws, Hardware Store 2x DIN 912 M3x16 Hex Socket Head Screws, Hardware Store 10x DIN 6798 A3.2 Serrated Lock Washers, Hardware Store 4x DIN 934 M3 Hex Nuts, Hardware Store 2x DIN 7991 M3x16 Countersunk Hex Head Screw, Hardware Store 2x DIN 7991 M3x10 Countersunk Hex Head Screw, Hardware Store 2x DIN 7991 M4x16 Countersunk Hex Head Screw, Hardware Store 2x DIN 125 A6.4 Plain Washer, Hardware Store 2x NEMA 17 Stepper Motors of Choice; Used These: http://www.robotdigg.com/product/6/NEMA17-Stepper-Motor-34mm-Long,-0.8A. Original Motors Can Be Used but Strongly Recommend Switching for Lighter Alternative and Different Polarity Than Regular Motors. Printing of Parts: All Parts Printed in ABS Plastic; Any Plastic That Can Withstand 75-80°C Will Do. Printed with: Raise3D N2+ Rafts: Doesn't Matter Supports: Yes Resolution: 0.2 Infill: 25-30% Preparation and Assembly: Preparation Requires Threaded Taps (M3, M6, or 1/8 Pipe Thread), Drill Bits (3, 3.5, 4, 4.2, and 6mm), and Other Tools to Ensure Smooth Movement. Drill with 4mm Drill Bit Approximately 10mm Down in Original Filament Guides and 3-4mm Down in Push Fit Connector for Smooth Filament Transition. Remove Filament Guides or Nozzle Before Drilling to Prevent Debris from Getting Stuck in Nozzle. Cut and Fit PTFE Tubing in Correct Lengths, Depending on Depth of Drill into Guides. Internal Parts Used in This Design Found at Grabcad: https://grabcad.com/library/e3d-titan-extruder-2 Thanks to Ben Neubauer for Brilliant 3D Model of E3D Titan Extruder. Happy Printing!