jitsbuild-x-carriage
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jitsbuild-x-carriage [2012/12/11 20:52] jit |
jitsbuild-x-carriage [2014/01/25 17:38] (current) jit |
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| =======jit's build: X carriage======= | =======jit's build: X carriage======= | ||
| - | [[jitsbuild-tools|Prev: Tools]] < [[jitsbuild| Up to Jitsbuild]] > [[jitsbuild-x-leftend|Next: X left end]] | + | [[jitsbuild-inventory|Prev: Inventory parts]] < [[jitsbuild| Up to Jitsbuild]] > [[jitsbuild-x-leftend|Next: X left end]] |
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| + | //This page pertains to the Bukobot v1. Some portions may be useful to v2 owners. For more information, see [[jitsbuild|here]].// | ||
| =====Bearing Assemblies===== | =====Bearing Assemblies===== | ||
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| Do this with all of the linear bearings and holders, and compare them; they should look the same. | Do this with all of the linear bearings and holders, and compare them; they should look the same. | ||
| - | A good way of checking the bearing holders is to insert bearings into all of them and then put a piece of your precision steel rod through them: | + | A good way of checking the bearing holders is to insert bearings into all of them and then put one of the precision steel rods through them, as shown below. Get out one rod, and examine the ends; one end may be smoother than the other. The smoother end is the end to be inserted through the linear bearings. Insert it carefully, right down the middle, without banging the end of the rod against the bearing balls inside the linear bearings. |
| {{wiki:jitsbuild:bearingholderproblem.png?800}} | {{wiki:jitsbuild:bearingholderproblem.png?800}} | ||
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| Here, the second one from the right isn't lining up with the rest. You can also see a printing defect in this part, where one layer looks different. This part is usable; it just needs to be trimmed a bit. | Here, the second one from the right isn't lining up with the rest. You can also see a printing defect in this part, where one layer looks different. This part is usable; it just needs to be trimmed a bit. | ||
| - | Where needed, trim the part (remove the bearing first!). See [[Cleaning up printed parts]]. | + | Where needed, trim the part (remove the bearing first!). See [[Cleaning up printed parts]]. The surface that the bearing sits against can be checked for extra plastic by running a 1/4 wood chisel down the surface in about 4 swaths, rotating the part and doing it for the other side. Being careful not to alter the shape or surface of the part, any little tabs of plastic can be scraped off with the chisel. This will help the bearing sit even. |
| Remove the bearing from the printed part, if you haven't done it yet. (If you can't get a good grip on it, insert your 5mm hex driver through the middle of the bearing and carefully pry it out.) Now insert the screw into the hole in the printed part. Does it slip in easily? If not, you have a choice: widen the hole, or thread the hole. | Remove the bearing from the printed part, if you haven't done it yet. (If you can't get a good grip on it, insert your 5mm hex driver through the middle of the bearing and carefully pry it out.) Now insert the screw into the hole in the printed part. Does it slip in easily? If not, you have a choice: widen the hole, or thread the hole. | ||
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| {{wiki:jitsbuild:x-tensioner-kit.png?800}} | {{wiki:jitsbuild:x-tensioner-kit.png?800}} | ||
| - | Also add a terminal block (six positions per extruder) and M2.5x16mm socket-head screw and nut (one set per extruder): | + | Also add a terminal block (six positions per extruder) and attach it with an M3x16mm button-head screw and nut (one set per extruder). |
| + | Note: The terminal block on the Duo x-carriage may be slightly offset to one side as the terminal pitch does not exactly match the x-carriage slots. For the Duo, try putting both screws through the second hole in from each end. One screw then fits into a vertical slot and the other screw fits into one of the diagonal slots. | ||
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| + | You should also attach the X tensioner using the M3 x 16mm screw through the center and on of the other M3 screws to lock it in position as shown below (from bag 17a): | ||
| {{wiki:jitsbuild:x-tensioner.png?800}} | {{wiki:jitsbuild:x-tensioner.png?800}} | ||
| - | Position the terminal block(s) so that they won't interfere with the X tensioner or the matching slot on the far side where the synchromesh cable will be attached. | + | The remaining 2 x M3 10mm screws and 1 M3 nut (one loose M3 screw shown above) will be used later to attach the synchromesh cable to the X tensioner. Put these screws and nut back in the X tensioner bag for now. |
| - | The loose screw shown above will be used later to attach the synchromesh cable to the X tensioner. Put this screw back in the X tensioner bag for now. | + | (Apparently some early adopters got M2.5x16mm socket-head instead of the M3 for attaching the terminal block. That's what is shown above. If you got the M3, you may have to use the nut to crank down the screw head -- or vice versa -- into the terminal block. The M3 nuts fit in the terminal very tight and it will have to be jammed in. You can take the M3x16mm socket-head and thread the M3 nut on the end. You can then align the nut on top of the terminal and gently tap it in, ensuring that the nut stays flat. The terminal will flex somewhat, but as long as you are not using excessive force it should be fine. After the nut is seated in the terminal, you can back the screw out and insert it from the bottom side to attach the terminal to the x-carriage. The picture below shows the terminal already mounted, DO NOT try to jam the nuts into the terminal while it is on the aluminum frame!) (See [[http://forum.bukobot.com/index.php?topic=2.msg154#msg154|here]], and the later posts.) |
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| + | {{wiki:jitsbuild:jam-m3-nut-into-terminal.jpg?800}} | ||
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| + | Position the terminal block(s) so that they won't interfere with the X tensioner or the matching slot on the far side where the synchromesh cable will be attached. | ||
| Now set the X carriage aside. | Now set the X carriage aside. | ||
| - | [[jitsbuild-x-carriage|Prev: X carriage]] < [[jitsbuild| Up to Jitsbuild]] > [[jitsbuild-x-leftend|Next: X left end]] | + | [[jitsbuild-inventory|Prev: Inventory parts]] < [[jitsbuild| Up to Jitsbuild]] > [[jitsbuild-x-leftend|Next: X left end]] |
| //The contents of this page may be re-used under any of the following licenses: The [[http://creativecommons.org/licenses/by-sa/3.0/|Creative Commons Attribution-ShareAlike 3.0 Unported License (CC BY-SA 3.0)]], or the [[http://www.gnu.org/copyleft/fdl.html|GNU Free Documentation License (GFDL, version 1.2 or later)]]. Nothing on any of these pages is there to tell you what to do, only what other people have already done.// | //The contents of this page may be re-used under any of the following licenses: The [[http://creativecommons.org/licenses/by-sa/3.0/|Creative Commons Attribution-ShareAlike 3.0 Unported License (CC BY-SA 3.0)]], or the [[http://www.gnu.org/copyleft/fdl.html|GNU Free Documentation License (GFDL, version 1.2 or later)]]. Nothing on any of these pages is there to tell you what to do, only what other people have already done.// | ||
jitsbuild-x-carriage.1355280741.txt.gz · Last modified: 2012/12/11 20:52 by jit
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