Hello everyone, and welcome to my 3D printing blog. My 3D printing journey started back in like the end of September of last year (2014) when I went to MakerFaire World, a faire for makers and tools that will help makers make things. The thing that surprised me the most about it was the amount of 3D printers that there were over there and the different shapes and ways they could print, so that day I left with a burning desire to buy a 3D printer.
Fast forward about a couple of months, I saw on amazon a 3D printer called the Oneup made by qb, I ordered one and since then I realized I was going to have issues with it. First, I tried to cancel my order because it had been a long time since I ordered and they had not shipped it, so I had to go their shady ticketing system and leave a message saying that I wanted to cancel it, no one answered it. About a month after that the printer was shipped to me. I recieved it and the assembly took about 2 days. At the begging it had some really crappy quality but with tinkering I was able to get some ok print quality. So after that I ran out of filament and time and I took a break from 3d printing. Then I ordered some black ABS because I watched a lot the Xrobots channel and that clogged my hotend and broke it (which was the default anubis hotend) I tried to take it apart and ended up breaking it, kek. After getting a new hotend, I was printing away for some time until the heater block which had two random hole, broke and started leaking filament so I had to order a new heater block for my hotend. Then when everything was working fine, I kept having issues with filament sticking to the bed, if you have used abs you know that sometimes can be really tricky to print, and more on a non-glass surface. I tried abs juice, hair spray, tape, and nothing helped with it. So I gave up printing with abs and ordered 1kg of white pla and it was so great, the quality improved so much and my printer was happier, but that did not lasted long. For some reason, my hotend kept clogging up all the time, I tried lowering and raising the temperature, nothing, tried moving the fan of the hotend around, nothing, tried cleaning the inside of the hotend, nothing. Nothing I did fixed the issue, it will always clog up. So I decided that I had enough (at the end ill discuss more issues I had with the printer) and I decided to buy a Prusa Mendel i3 from ebay at the begging of this week. My plan is to make some money back by selling the old printer by parts and some other stuff that I have laying around. I will try to document some of the build process and also the prints and issues I have with it. Another thing to note is that in my college's robotics club we have a Mendel i2 which we for some reason had for a while and no one new how to mess with it except for me. So I'll try to document that process as well. Should be fun applying the skills that I have learned into a whole different printer. Other issues I had with the printer: Sometimes while printing, because of the mass in the basalt heated bed, when printing at a moderated speed, the printer will vibrate a lot, to the point that it will start moving. One time one of my prints failed because the printer was about to fall off the table in which I had it, when I found it, it was hallways about to dive to the floor. 2. Sometimes the pulleys will start to slowly loosen up, and it will start affecting the prints. I remember once, the Y pulley got completely loose and it stopped moving on that axis and made a mess in the print. 3. The Z axis used to sag a lot, by some good mm. In the TwoUp it will get bad enough to the point that you will have to make a pulley mod. 4. The printer I had was made out of this very fragile lasercut wood, which will break extremely easily. Some spots were really hard to reach also for troubleshooting because you had to use zipties to keep it together, and to reach some parts you had to break them. The build was just horrible. 5. With the original setup, the hotend will be so unstable and woobly that it could ruin your prints, I had to put a lot of zipties in mines to get it to hold properly. 6. The print area was way smaller than what it supposed to be. It was like 80mm x 70mm x 90mm at least for me. 7. The Z treated rod will wooble and vibrate a lot to the point that you will have to 3d print a mod to stabilize it. 8. The heated bed is huge and ABS wont stick to it no matter what. 9. For some reason, the outside of the linear bearings I had got very rusted, not very sure why that happened.
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Angel MercedesElectrical Engineering student and lover of all things Open Source, 3D Printing, Electronics and Linux. Categories
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May 2017
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