Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level
Posted by Kasahabo
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 12, 2015 10:32AM |
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3D-IsMe
...un-flanged bearings for each top corner...
All 3 of mine ride against the inside of the flange. I haven't found a way to influence that.
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 12, 2015 02:09PM |
Hello All, New guy here just got my printer today and I'm off to a bad start.
UPS delivered it 3 houses down the block.
Ordered it 5/01/15.
Heres a few pics
UPS delivered it 3 houses down the block.
Ordered it 5/01/15.
Heres a few pics
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 12, 2015 05:16PM |
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jculver09
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rotten_carrot
I realise that it has been discussed a couple of times before but I'm still somewhat undecided in my mind as to whether to cut my rods to 250mm centre hole to centre hole or if the consensus is to cut the carbon fibre itself to 250mm? Anyone's experience/opinions on this specific detail would be gratefully received - even if it is a different length that is suggested
It is all up to you, and there is no wrong length unless you go so short they dont meet in the middle at the effector, or so long they dont fit in the machine. The longer your arms the wider and shorter your build area will be (like a stack of pancakes), the shorter your arms, the narrower and taller you build area will be (like a 2L bottle of soda).
After you decide on a lenght, it is important that you very precisely match all 6 rods to the same length and that you put an accurate center to center length into your firmware once you are done building.
Personally I went with 250mm center to center on my first set of rods, and was very pleased with the width and height of the build area. IIRC I was around 180mm diameter and over 220mm tall, but my diameter was limited because I moved the linear slides up as high as I could and the carriages would hit the lower stops.
Recently I went with the magnetic rods made by Haydn Huntley and I had him make them to 288mm. I lost a lot of height with this but I love how smooth and easy they move compared to even the best traxxas type rod ends I have found. I got them longer because it allowed me to use a 250mm diamter print bed and I can now print out to about 220mm diameter, but I haven't tried anything this wide yet. The widest I have printed so far is about 195mm and I had some curling up on the edges so my standard blue tape will likely not work for me at that size. any larger than 220mm diameter and I run into issues with end effector getting too close to the towers/belts for my comfort.
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Wittmason
I cut my rods exactly in half and then cut them all the same length. When adding in the traxxas ends - I ended up having 288mm arms. Which leaves about 170mm build height. You could adjust the rail up and that height then can be raised about 70-100mm. As long as you make the change in the firmware the rod length doesn't seem to matter or be a hindrance. You certainly have to change the 253.6 measurement to what your new build height is.
Thanks very much for the replies. I certainly do like the sound of the magnetic rods but for now I'm going to cut my carbon rods to 250mm and raise the linear slides up a bit (but hopefully not too high!). Cheers to you both
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 12, 2015 05:19PM |
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Deguello
I used the acrylic mount that came from Folger, so the mounting ears are superfluous. (The rubber band goes to a clip on the wire loom to the effector)Quote
mmcginnis9272
...extruder with the mounting ear cut off?
I see, that makes perfect sense. I was not near my printer and I was thinking the printed mount is what attached to the openbeam.
Thanks.
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 13, 2015 12:36AM |
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mmcginnis9272
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thevisad
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Wittmason
Haha yeh the mechanical fixes were from me. Funny I was referred to that. This is more or less not enough torque from the motor.
I eyed that extruder on Thingiverse for awhile. I think I'll try that.
Here is my remix of the item. I removed the mounting ear on it as it's no longer needed and get's in the way. I left the motor mounted on the frame using their mount.
Would you mind showing us a pic of how you mounted the extruder with the mounting ear cut off? I'd be interested in making one, but I'm a bit unclear on how to mount it with your remix.
Yes sir, here you are. I tried to use a M3 hex nut and m3 - 20mm, but the hex nut was too small. I ended up going with a 4-40 bolt and hex nut, it fit perfectly inside the hole on this print.
I tried to use a
Edited 1 time(s). Last edit at 05/13/2015 12:38AM by thevisad.
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 14, 2015 07:45PM |
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rotten_carrot
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jculver09
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rotten_carrot
I realise that it has been discussed a couple of times before but I'm still somewhat undecided in my mind as to whether to cut my rods to 250mm centre hole to centre hole or if the consensus is to cut the carbon fibre itself to 250mm? Anyone's experience/opinions on this specific detail would be gratefully received - even if it is a different length that is suggested
It is all up to you, and there is no wrong length unless you go so short they dont meet in the middle at the effector, or so long they dont fit in the machine. The longer your arms the wider and shorter your build area will be (like a stack of pancakes), the shorter your arms, the narrower and taller you build area will be (like a 2L bottle of soda).
After you decide on a lenght, it is important that you very precisely match all 6 rods to the same length and that you put an accurate center to center length into your firmware once you are done building.
Personally I went with 250mm center to center on my first set of rods, and was very pleased with the width and height of the build area. IIRC I was around 180mm diameter and over 220mm tall, but my diameter was limited because I moved the linear slides up as high as I could and the carriages would hit the lower stops.
Recently I went with the magnetic rods made by Haydn Huntley and I had him make them to 288mm. I lost a lot of height with this but I love how smooth and easy they move compared to even the best traxxas type rod ends I have found. I got them longer because it allowed me to use a 250mm diamter print bed and I can now print out to about 220mm diameter, but I haven't tried anything this wide yet. The widest I have printed so far is about 195mm and I had some curling up on the edges so my standard blue tape will likely not work for me at that size. any larger than 220mm diameter and I run into issues with end effector getting too close to the towers/belts for my comfort.
Quote
Wittmason
I cut my rods exactly in half and then cut them all the same length. When adding in the traxxas ends - I ended up having 288mm arms. Which leaves about 170mm build height. You could adjust the rail up and that height then can be raised about 70-100mm. As long as you make the change in the firmware the rod length doesn't seem to matter or be a hindrance. You certainly have to change the 253.6 measurement to what your new build height is.
Thanks very much for the replies. I certainly do like the sound of the magnetic rods but for now I'm going to cut my carbon rods to 250mm and raise the linear slides up a bit (but hopefully not too high!). Cheers to you both
Jrpochnow, please see this, it was six posts up and contains a fair amount of information you are asking for.
Edits underlined.
Edited 2 time(s). Last edit at 05/14/2015 11:47PM by jculver09.
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Re: Folger Tech Kossel Delta 2020 Full 3D Printer Kit w/Auto-Level May 15, 2015 10:17AM |
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jprochnow
Yes reading is fundamental but from the pages I have read I have not really seen a "yes" or "no" if the kit is worth it. But maybe I missed it. I did have a member pm me that they are capable of a 200x280 print area but they failed to say if it was on a stock frame and I was curious if anyone had a similar setup.
Lol, my comment was poking fun more at him then you
I have stated that it was well worth money spent on the printer, the subsequent upgrades, costs, challenges and repairs. Every single machine that is not a packaged (Makerbot, Statasys, etc) printer are made from roughly the same parts. You can source the parts yourself from multiple sources, I even stated a cost with making this exact printer from self sourced parts. Folgertech has provided a packaged box of of relatively decent parts that once assembled will make a printer. There will be challenges to any printer that you have to assemble yourself. If you cannot assemble Ikea furniture without the loss of life, limb, tools or destruction of the items you are assembling, then buy a Makerbot. I have an XYZ 1.0a that has been custom flashed and it sits in the corner, unused, the door hanging open to collect dust. Shown below are parts printed on my printer and an 18000$ stratasys (not mine I had them printed for me to sample the parts). Something to note is that the Stratasys failed the Benchie test and it cannot pass it as they are unable to print without support material.My printer
an 18000$ Stratasys printer
Edited 2 time(s). Last edit at 05/15/2015 10:20AM by thevisad.
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