8/4/2023 0 Comments Orbiter extruder klipperThe good news is the EVA top for the orbiter from the bleeding-edge cad works lovely but it does require a change to the EVA front plate – Something I didn’t notice until I tried to assemble it. This kindly comes with a warning that it’s not released and as such it is up to the user to determine if it will actually fit/work. As such I opted to head over to the EVA CAD on OnShape and download the bleeding-edge variant. Selecting the parts required to use the orbiter should be straight forward but I’d spotted a few issues on discord where people were complaining the current released standard of the EVA mount for the orbiter had a bit too much flex in it. Moons motor (20mm higher torque and current variant).The triangle lab orbiter v1.5 can be purchased from their AliExpress store Most importantly it feels small and light! which are the normal signs of cheap machined parts. Looking at the gears and internals they looked cleanly machined and showed no obvious burrs etc. First impression when opening the box is that the extruder is well packaged in protective foam and comes with a few allen keys, some bolts and most usefully a connector and some spare crimp terminals for if you need to shorten the wire. I chose the Triangle labs version as my source because I’ve historically got good quality parts from there and because I was ordering a few other bits from there at the same time. This causes ringing to start at much lower speeds and now I had enough hands on time with the VCore3 to know it was well worth putting a bit more cash into I decided it was time to for the lightweight option!Įnter the Orbiter V1.5. On top of this it was quite heavy but more importantly it had quite a lot of the mass quite far from the bearing carriage. However it’s bulky shape and short length from extruder motors to nozzle tip meant it had to be mounted sideways onto the EVA carriage and cost me around 50mm of X travel and 40mm of Y travel. I had a Mellow BMG wind which was giving me zero issues on the old printer and therefore I figured I’d save £130 (It is both hot end and extruder) by keeping it rather than getting something new. Can be directly mounted to a stock Troodon or one with the A3DP Gantry upgrade partsġ.) 14x14mm Bearings, this will match up for those that bought the “Formbot Troodon DDE Upgrade” kit from Jake/Tom/Peter on Cults3D.When I started down the route of converting my custom built and badly aging coreXY into the RatRig VCore3 I aimed to re-use as much as possible from the original build.Much easier to FDM print! (HINT HINT: We suggest 20-30 degrees of tilt, front bearing facing toward the bed plate).Can be professionally SLS or MJF printed (We know, we’ve done it =)).100% contrainted filament path from entry to nozzle.Perfect BMG alignment, including along the spider gear shaft, the latch detent clearances in X & Y directions.The clearances, have been dramatically improved.The special sauce that gives our design a huge advantage over the original Orbiter designed by Lorincz are as follows: Just so everyone knows, this design I did completely from the ground up making dozens of minute modifications for easier FDM-ability thus it is completely our own intellectual property. I wanted to take a few minutes to upload what Rob and I are calling the “Ultimate” Orbiter.
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