Hey guys sorry it been so long since you have heard anything from me. I have running all over the place, and now getting settled back into college. I am glad to see that people still want to see more of this project, it has been so amazing to work on this, It is still being worked on but we recently had an influx in orders and the machining was slowed down due to it. This also left no room inby oak1477 - General
Quotegaryhlucas I'm only guessing, but it looks like you still don't understand the meaning of stiff. We are still just test fitting parts, once everything is assembled we are going to be doing deflection testing on the frame. We have yet to fully assemble the frame so there has been no point in testing a frame that is just test fitted together. If our design is not stiff enough we will be chaby oak1477 - General
hey guys another update we just got the side panels in and test fitted on the bot. We are going to send them off to be finished and then we will begin final assembly.by oak1477 - General
Hey guys update time, sorry these past few days have still been crazy here in Houston but i finally got some cool stuff to show you. First off i know that this isn't the meter bot but a fellow intern just finished the frame of a bamboo and 3d printed bike so I had to share just a photo of that Now for the printer, I have been working pretty hard to get as much into the CAD as possible so earliby oak1477 - General
Hey guys another update on the bot I did some revisions on the design to how the y belts attach to the top bar. We were originally going to use some sheet metal flanges, but decided that was too complicated and time consuming. We settled on 3/8" angle iron as a possible solution that would be easier to work with. I designed a simple bracket and we printed it to test fit everything. Below areby oak1477 - General
Hey guys update time. Been working hard all day and the cable trays are on the bot for the first time thanks guys have a great 4th of July weekend and happy printingby oak1477 - General
Quoteo_lampe Had a nice party? First thing I recon´d were the white balloons Seriously: Aren´t you afraid the long belts eventually start to swing, when they are unsupported all the way back? I thought of a different way to mount the extruder assembly, where both sides of the belt are fixed/guided. -Olaf We actually had a guy in the office with a birthday so we had set up some decorationby oak1477 - General
Hey guys as promised another update today I got some more parts ready we have the actual motors mounted to the extruders we also did your first fit of all of the major parts of the x axis including the belts Have a great day and keep printing.by oak1477 - General
Hey guys sorry for the silence this weekend i was at a robotics competition. Do not worry more testing will be coming soon and we will be sharing all of our results with you. At the moment we are machining some parts so i wanted to update on that and later today I will be posting more photos. Have a great day and keep printing.by oak1477 - General
Hello everyone, Sorry it has taken so long for another update it has gotten super busy for me recently. We ended up having to completely redo the assembly of the cad, and that took a few days. We also finally have received the new extrusions for the x axis and and were unsure if just the 40x40 extrusion would cut it so we decided to do some deflection test on it (we also saw how interested somby oak1477 - General
We are actually using cable carriers so that is the attachment point for that.by oak1477 - General
thanks for all thoughts guys, it is awesome to get all this feedback from everybody. On the hot end, we realized the normal size nozzle was way too small, we found the volcano hot end has .6, .8, 1, and 1.2 mm so we are going with that hot end for the exact reason you stated. we don't want to wait a crazy amount of time for a print. the nozzles and we have also done some test fitting of the xby oak1477 - General
Thanks for the advice, the reason we have posted this was to get input from the community and stuff like that is exactly what we are looking for. We actually don't have the sheet metal that we are going to be mounting around the frame so we were going to be doing actual testing when we get the actual frame assembled, at the moment we are just test fitting parts. Also, just out of curiosity whatby oak1477 - General
If our calculations are correct about seventy thousandths. We use a mounting system involving springs to allow the bed to have some flexby oak1477 - General
Sorry just a small update today we had the bed come in. It is so big it came on a pallet and took at least two of use to comfortably carry it into the office.by oak1477 - General
Honestly we were worried about the rigidity as well on the but so far just with the build up not using the full 6 inch 3/16" plate that we are wrapping the entire thing with has been quite surprising. We have had to beef up the rail for the x axis but other than that it is pretty solid so far. We also decided that we should get some really heavy corner brackets for extra strength, but if it turby oak1477 - General
More parts have finally arrived. All of the linear rails we ordered came to the shop this afternoon and we immediately got to mounting the y axis rails to the frame. The goodies mounted to the frame the carriage for the rail I have been printing some prototypes for random parts of the the x carriage I have been also printing some test parts to hold the x axis to the y rails And fiby oak1477 - General
Another update for you guys. From day one we identified the x axis as the most problematic area of the build and we are now on revision 3 of the x axis platform. This printer will have dual extruders with the e3d volcano hot end. as for the motion we are going to be using linear rails with a belt pulling it. because of this area being such a complicated piece we have printed many prototypes foby oak1477 - General
We did consider that possibility and I will be honest it may change, this is the first time we have done this and so we are learning as we goby oak1477 - General
Just a small update this morning about the motors, for the z and y motors we have decided that nema 17 motors were not going to cut it mostly due to weight issues (the aluminum plate for the bed is supposed to be about 43 pounds according to solidworks, In their place we have decided to use nema 23 motors size comparison: for the y mounts we are going to be mounting them to the 40mm x 40mm extrby oak1477 - General
There will be a heated bed, which we have custom ordered for the bot. It is a silicon rubber heating pad. Yes it will require a lot of power (like 2500 watts) it will be similar to this, this is one of the 2 foot bedsby oak1477 - General
The frame of the bot is 40mm by 40mm aluminum extrusion the side plates are going to made of 3/16" thick aluminum and will go around the entire frame of the bot. when we received the extrusion we made a test assembly I am working on finalizing the panels and those will soon be sent off for machining.by oak1477 - General
Hello everyone This summer I have been given the privilege of interning for the 3d printing company Re:3d the makers of the Gigabot, a printer with a 2 foot cubed build space. Their motto is think big, print huge, and following their motto they asked me to design and build a printer with a build space of a meter cubed. They also asked me to make a build log and share it with the communiby oak1477 - General
I recently moved and had to transport my reprap prusa, which led to it being in a car for a few days. When i got it out and went to test it my z axis will now not home at all. It will freely move up and down but when i hit home the steppers dont move and make a buzzing noise. i am running a ramps 1.4 with marlin.by oak1477 - RAMPS Electronics