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January-February Mobious Projects

y RAIL-CAR MOUNTING BRACK PIC

Mobious Robotics (LLC.)

Jan. News:

So, needless to say, January was a crazy month for me and it has taken quite a bit of work to keep the store going and my motivation up after everything thats happened in the last 6-8 weeks. Between hospital visits to the V.A., friends loosing their houses, packages of Mobious stock stolen off porches after being sent to wrong(old) address, and plenty of other things i was not counting on happening or expecting of/prepared for...
I'm still here though and orders are still going out, in fact we sold 3 sE1X kits for the month of January which isnt bad at all!! I suppose it always rains before a rainbow right? :D

Jan. Projects:

(( ( Dual Extrusion tool-head status: Working and ready.. ) ))

  ..I have not had much time to work on Solidworks but I do have a new project underway that I would like to share with everyone. In the last week or so I have been working on a design for a mechanical linear rail system using PBC Linear's GST( Glide Surface Technology). The following link is to PBC Linears website where it explains, in more detail, the advantages to this style of linear rail
[opens in new window]
. :: UGA Low Profile Uni-Guide Linear Slide ::

  I have decided to try and create a mechanical linear rail operation out of the PBC rail/slide, heres a assembly picture of what I've managed to get done so far. The idea is to run lead screws along the bottom side of the rail where the car(slide) will have a bracket on the bottom, the threaded rod will run through said bracket, moving the car/slide back and forth with the hope for very high precision.GST mech linear rail assembly pic 2

 I will post more pictures once I have it finished and ready for prototyping.

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Dual Extrusion goodness…Colorprint – by Prusa Jr.

prusa logo

So I was recently informed of this awesome app for dual extruding with mult. colors called ‘Colorprint’. This is a very awesome app that makes it easy for you to pick and choose where yo uwant color on your .gcode files.

Download Colorprint here (new window)

 

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New OpenX carriage design and Dual Extrusion is very close to ready on the sE1X v1.5

DSC00877

I have been working myself to death trying to get this design done, and done right. The plan is to eventually offer a dual extruder se1x complete kit variation as well as a upgrade possible for previous customers.  I even started a new carriage from scratch for this project. I’m considering making quick release for tool head changes(such as changing out a dual extruder mount for a single and more) but for now I’m just focused on getting the dual extruder mount made. 🙂 heres what I got so far.

new X carriage, dubbed the grasshopper or mantis..haven’t decided yet..what do you think?

DSC00874

openX carriage body

DSC00875DSC00876DSC00873DSC00879

 

 

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New sE1X Y Axis design..final touches on a perfect machine.

sE1X OpenY assembly with rod[front]

sE1X openY assembly-top

The heated bed on a sE1X is rather large and many will frown upon the idea of a heated bed this large being jerked around all day but it is in fact, doable. The first change I made was switching to the solid polymer bearings from IGUS over the LM10UU’s which made a lot of improvement but it just wasn’t quite good enough. I have used a OpenX carriage on my older 3d printer for a couple years now and it really has worked great. So I decided to incorporate the same idea into the sE1X Y axis and the outcome was a drastic improvement in the Y axis linear movement. After a bit of prototyping, I got it dialed in perfectly..

 

I have managed to get the motor mount and idler w/ tensioner done today and hopefully will have it ready for prototyping tomorrow! I will post updates as I go along..

I posted the design on thingiverse and there is also video on there showing how well it works, please visit: http://www.thingiverse.com/thing:1064020 to see how it turned out!

 

More to come soon, til then, keep on hackin!

 

-pb

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Guy Fawkes Mask on sE1X.

DSC00773

So after a couple of failed attempts(some being my fault, others not…) I finally managed to get this sucker printed..and only took 27 hours! 😀 As you will see below, most of the print was support material..but well worth it now that I officially have a Halloween mask!@ I will be trying again though because of some extrusion errors/banding that I’ve addressed. Now for the printer pron! ->

 

DSC00730 DSC00731 DSC00733 DSC00740 DSC00742 DSC00746 DSC00753 DSC00760 DSC00764 DSC00773 DSC00774 DSC00775 DSC00778

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New Mobious Robotics sE1X designs.

z brace_v1.1

So the last week or so I have been working on a few different CAD projects, lets dive in!

 

Okay for starters, let me remind everyone that all these will be available for download on our github page, linked here: sE1X Github Page

First, I started out with some new corner brackets for the sE1X, which will allow for 40mm more movement in the X axis which results in getting the full 300mm of available heated bed you pay for.

sE1X corner bracket thumbnail

The new corners offer a TON of rigidity and strength to the lower frame assembly and are a great replacement for the metal corner brackets(which you can still use with the X axis upgrade if you wish..) and will soon be a standard part in the sE1X kits. It is 2 parts which makes it easier to print and no filing nec. for fitting..these will slide right on. Just requires 4 t-slot nuts and 4 M5-10s.

Second, to accommodate the larger X axis design, I needed to lengthen the Top X extrusion on the gantry. So I created a extrusion extension:

sE1X Extrusion Extension

Again, 2 parts for easy printing and is plenty strong. Simply cut the extrusion in half and add this extension in the middle and your ready to roll!

Thirdly, so with all this enlarging going on..I decided that some better support is needed for the gantry, so after much trial and error I finally designed a excellent support system. Using 2 150mm 2020 extrusions and some support brackets, the gantry will now have MUCH more strength and rigidity which I believe will result in not only being able to handle higher speeds with less vibration, but overall resolution and quality to your prints..

sE1X Gantry supportsE1X gantry support 2z brace_v1.1

I am very pleased so far with the new gantry support, took a lot of work but it paid off in the end!

Ok last but not least, the original Y axis smooth rod holders gave me grief as well as a recent customer. I decided some new, stronger ones where needed ASAP! So here they are:

Y axis smooth rod holder conceptY axis smooth rod holder concept front (Thanks to beardedbuddha for the help with the Mobious logo!)

These will simply slide on and lock into place using 2 m5-10s and 2 t-slot nuts and will offer much more support to the Y axis smooth rods.

 

As I said above, all new creations will be uploaded to the Github page so please check it out, and keep checking back for new designs! Thanks!

 

-papabur

(papabur@mobious.org)

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New fully printable corner brackets for lower frame!!

New sE1X corner brackets

sE1X corner brackets se1x corner brackets close up

 

Okay so I have managed to come up with a pretty solid corner bracket here. I cut the top off to make it a some what easier print while still maintaining its strength. I also added some recessed slots for m5 thin nuts where you can use a m5 screw as a set screw to hold the extrusions in place. I will continue to keep my updates posted here and check back soon for more!!

 

DSC00404DSC00401

(06/20/15)UPDATE: So I decided to make it two parts so its easier to get on as well as offering more stability with a brace across the center of it to reduce and give. I’ve included a picture of the lower frame assembly with the new corner braces!

—-

Github link to sE1X files: https://github.com/papabur/sE1X-10mm

P.S.  A newly improved, 10mm and 8mm X carriage coming next which will offer more support for the Wades extruder and allow clearance over the top gantry. 🙂

 

-papaburNew sE1X corner brackets

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