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迪威網(wǎng)友5cea49
迪威網(wǎng)友5cea49
原創(chuàng)模型

2020幀笛卡爾打印機的X和Z MGN12線性軌道轉換(cr-10Tevo Tornado)

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發(fā)布時間:2021/1/18 18:27:00
Updated 4/27/2020 (details at bottom of summary)
WOULD LOVE TO SEE MORE MAKES, PLEASE POST A MAKE IF YOU DO GO
THROUGH WITH THIS.
DISCLAIMER: my printer has been heavily modified and there may be things that won't work on a stock CR-10 or Tevo Tornado. Please plan ahead make sure you cover all your bases. This mod probably isn't for people new to 3d printing.
This is a set made to replace your X and Z axis with linear rails. I did this on a CR-10 but I'm sure it can be adapter to many 2020-based cartesian printe. Just get the appropriate length rails.
requires:
1 x 400mm rail with a mgn12h carriage
2 x 500mm rails with mgn12c carriage
-(or 2 x 500mm rails with mgn12H carriage.
2 x Delrin Anti-Backlash Silent Nut for 8mm T8x8 Lead Screw Trapezoidal ACME
Link to item on manufacturer webpage:
-(or use the adapter "Lead Screw POM Nut Adapter " it's untested but should work).
Many M3 and M4 screws and nuts.
The carriage is modular but I've only made an adapter for a Titan Aero. It's should not be hard to attach just about anything to it since it's just 6 screws. More pictures of this setup (
Lastly I want to reiterated that I can't guarantee everything will work on your CR-10 or Tevo Tornado. My printer has been heavily modified. One example off the top of my head, You'll have to figure out endstops on your own, I'm using a Duet Wifi for seor-less homing.
There may be far more things that you'll have to figure out but I wanted to share all the work I've done.
The idler mount to idler clearance is pretty tight. I recommend using sand paper to smooth it out until it slides easily smoothly and doesn't get stuck.
[UPDATE] Created a purpose built idleteioner to go with this.
[UPDATE2] added "" with a properly sized recess for the stepper collar to fit into.
[UPDATE3] Added a brace/guard around the front left on the X axis. Also added a couple rende.
[UPDATE4] Added an option to use MGN12H for the Z direction itead of MGN12C.
[UPDATE5] Added "Lead Screw bearing " it was difficult to print in PETG as one piece so I split it in two pieces. This veion prevents the lead-screw and bearing from rattling around while printing.
[UPDATE6] Added POM nut adapte, 18mm hole spacing and 16mm hole spacing. This should allow you to skip buying the one I listed.
[UPDATE7] Added x-idler which fixes some tight clearance issues.
[UPDATE8] Added step files per request (they may be out of date compared to some of the updated parts, did not have time to upload each and every piece so I used an old assembled veion, hopefully that enough to help some people who needed to do mods.)
[UPDATE9] Added a compact X carriage that I specifically needed for an aluminum mount for the titan aero. The compact mount is a pretty rough design but I tested it and it works.
-Aluminum mount:
[UPDATE10] Added a optional pillow block mount for the Z lead screws. Unfortunately with the current design you will probably only be able to use this on top only and not both sides of screw.
STL name: Pillow_Block_Z-Idler_v1.stl
Link for pillow block: (option: KFL08-8MM)
Requires some M5 screws, nuts and T-nuts.
[UPDATE11 - 4/27/2020]
New beefy X Idler! So my second printer is a Voron 2.2 and I really liked how overkill their idle were so I modifed one to use with my X-axis. I'll also post something for the Y axis eventually but it need a bit more work. Check out voron if you're interested in a extremely nice fully enclosed FDM printer:
This idler will require a few things:
1X - 5mm diameter metal shaft (30mm long)
2X - F6952 bearings
1X - GT2 20Tooth Pulley (5mm ID)
M5 washe for alignment
Some m3 screws, nuts and washe.
Important FYI - I only printed this new idler in ABS and ABS I don't know of PETG or PLA will work. ABS also has a bit of shrink (about half a percent) , so parts may not fit as intended with other materials unless scaled down. eSUN ABS would let you print this on an open printer.
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