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Prusa i3/Hesine M505 (Anet A8 compatible) x Carriage for E3Dv6 (Bowden)

by Jubaleth, published

Prusa i3/Hesine M505 (Anet A8 compatible) x Carriage for E3Dv6 (Bowden) by Jubaleth Jan 1, 2017

Design Tools

OnShape

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Thing Statistics

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Summary

X Carriage for E3Dv6

I needed a new x carriage for my printer. I switched to the P3Steel, from the original Anet A8 acrylic frame, and lost a bit of Z print area. There are a lot of great carriages already existing, but I decided to have a go at designing my own, from scratch.

Included are the full build (with fan mount + sensor), a simpler version with only the sensor mount, as well as just the E3Dv6 mount.

For the moment, I've only designed a 18mm sensor mount. I will eventually release a version for a 12mm sensor, I just haven't been able to get around to it yet.

Disclaimer :P

I am by no means a 3D design expert. This is very much a side project, mainly so I can learn, have fun, and build a part for my printer =)

There is definitely room for improvement, and I will work on it when I am able to. Comments/Suggestions from more experienced designers are most certainly welcome!

Fan Duct

The current version of the fan duct most certainly needs work. Airflow and angles of the holes needs to be redone. It works, but has trouble cooling fine detail, I will try to get to this in the next while.

Belt Holder

The holes on the back are designed so any belt holder for the Anet A8 can be used (example: http://www.thingiverse.com/thing:1433295)

Printing

This print, is most certainly not an easy print. You will definitely need supports, but also to make sure that no supports end up in the fan ducts. Something like Simplify3D is recommended, so you can chose where supports go.

Marlin Sensor Offset

#define X_PROBE_OFFSET_FROM_EXTRUDER -38  
#define Y_PROBE_OFFSET_FROM_EXTRUDER -3

Note: You can't use floating point numbers in these constants, so I've rounded them.

Anet A8 Settings

Anet A8
define RIGHT_PROBE_BED_POSITION -179
define X_MIN_POS -13

Print Settings

Printer:

Prusa i3 Clone

Rafts:

Doesn't Matter

Supports:

Yes

Resolution:

0.2mm

Infill:

50%


Notes:

Make sure there are no supports inside the fan ducts.

I used supports, but this has been printed successfully with no supports.

How I Designed This

CAD

I've designed this part using OnShape.com.

Here is the link: https://cad.onshape.com/documents/e8ab351d05ce838be09cde23/w/ace21497d9492cdbe1b982b2/e/6c58d8567ba08722f6c15508

Feel free to edit/explore :)

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Any release date for the carriage with 12mm sensor yet? :)

Sadly nothing concrete yet :( As soon as I find some time to work on it I will, I promise! Been extremely stressful at work the last couple of weeks, and both kids sick for the last week or so. Absolutely exhausted, but I will get it done! The question is just when...

Very cool design. I have an ANET A8 en route (delayed by Chinese New Year) and I'm strongly considering an E3D V6 upgrade right off the bat (Less re-working if I just start with what I think I want, right?). I assume you're using the stock coolingfan, how is the airflow compared to the original design? I'm wondering if airflow is lost here due to the ducting route? I wonder if enlarging the inside of the duct would allow more airflow? Nice job!

Thank you! The airflow is ok, but could definitely be improved. As I commented above, I have to find some time to work on it. It's on the todo list... I definitely want to keep the open design of the duct, and enlarge them to make the airflow better. The holes also need to be aimed a bit better, I find they blow far too low at the moment.

Printed your design today and going to test it tomorrow. For a better airflow I absolutley recommend this duct: http://www.thingiverse.com/thing:2086191 :)

"Mistral" Extruder Cooling Duct for the Anet A8 Printer
by Leo_N

The airflow seems to be okay for the most part, i can see some curling happen on parts with particularly large overhangs when it can't cool it evenly or fast enough. One thing to note with the E3D is make sure the long part of the hotend is facing towards the front of the bed, if it's at the back it'll actually melt the area between the two arms with fan holes.

Also as a suggestion for the author i believe it'd be better to use m3 bolts and nut holes like on the acrylic A8 frame, it'd allow for a much more secure hold on the E3D hotend since screwing into plastic either requires you to tap a thread or screw into it which end up stripping it if you screw too tight.

@orientation of the hotend, absolutely! If the longer side of the hotend is towards the back it will melt the plastic!
@M3 bolts, absolutely! This is also on my todo list. Problem is, every time you have to take the clamp off, the plastic will wear down, as well as screwing it too tight... This is entirely a learning experience for me. Everyone's feedback so far has been really positive, and I will definitely try to get some of these changes in =)

I really appreciate the fact that you're taking community suggestions into account, great work by the way! I just wanted to ask if you have any intentions to support mounting holes for a BL Touch?

It needs to be said on my Anet A8 I had issues with positioning but after some help the following settings ALSO needs to changed to these for the 220x220 Anet A8 and adjusted according to any variant if using Skynet3D firmware (I am using v2.3.1)

define RIGHT_PROBE_BED_POSITION 179

define X_MIN_POS -13

I'll put it in the description. Didn't actually cross my mind that I have a different sized frame than the A8 now. Thanks for figuring it out!

Does this bolt to the factory metal x-carriage bearing holders?

Yes it does =)

Did you print it in PLA or ABS? If you print it in PLA, can you still print ABS or melts it away?

I actually printed it with PETG. I print with temps anywhere from 180ºC to 245ºC, depending on the material. ABS shouldn't be an issue to print with, using PETG/ABS/Nylon, but I'm not entirely sure how PLA would react to it...

Great design but the sensor mount could be somewhat lower (halfway between the E3D holder and blower nozzle) for people with non-adjustable sensors but looks to be great for the capacitive sensors that can be adjusted (however it looks like your sensor is a capacitive)

Yup, very true. Will try to get to that eventually. There's a few things I need to work on (fan duct in particular), but haven't had much time...

Yup, very true. I will add it to the list. Have to work a bit on the fan duct. There's not enough air coming through, and the holes need to be better angled, they point too low. My biggest problem, is finding time to actually sit down and work on it :(

Nice design! Any chance you can add one that has the fan/cooling that doesn't have the sensor mount? Thanks!

Thank you! Yes I can definitely add one with the sensor removed. Will try to do that this week.

Thanks! I have an E3D V6 on the way and this design is the best I have seen but I will not be using the sensor.

It's up :)

Damn dude! Thanks!

No worries =)

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