Rigidbot Titan Aero Mount + Filament Guide + Strain Relief
Description
This is my design for mounting an E3D Titan Aero Extruder to your Rigidbot. You will have to order the 24V version in the regular orientation. The rigidbot extruder PCB is reused. To install, you will have to completely remove your aluminum plate from your X gantry rails. A few of the M3 socket head cap screws will have to be inserted into the Titan mount before putting the extruder parts in place, otherwise you will not have access to them later on. You will also need a ball end hex key to assemble, every mm counts when installing this but it will fit. The rear holes in your aluminum extruder plate will have to be countersunk, and you will need M3x8mm flat head socket screws to sit flush with the top of your extruder plate to make room for the Titan mount. You can only install the nozzle + thermister + heater cartridge block after you put the assembly down onto the aluminum plate. Otherwise its tough to get it to mount with a few of the M3 screws hanging through the mount. The PCB mount attaches to the Titan mount with very short M4x5mm socket head screws. The main Strain relief attaches to the PCB mount with M3x10mm screws The rear strain relief uses M3x25 (min) socket heads to go through the main strain relief and thread into the filament guide. This sandwiches the wires to provide strain relief and hold the filament guide in place. The V groove guides should snap over one another (or use some glue) and a bearing 6383K110 from McMaster Carr will fit inside. You can then use a #10-24 x 0.5" socket head to thread into the filament guide. This is optional but I find that it gives the filament an easy path to get into the extruder when the head is at extreme ends of the bed. The nozzle is now higher than it was before so you do gain a tiny bit of Z travel. However, it is also now offset 12mm in the positive X direction... so you can try and move your x limit switch a bit to gain some X travel back, or play with your soft limits to reduce your x travel accordingly. Enjoy!
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