Be sure to check the grub screws for tightness especially on all axes suspected of contributing.
I use threadlocker on all grub screws. I use Loctite 243 Threadlocker Blue. https://amzn.to/3RaqcJk
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Good idea. Havenât checked those in a while.
Iâll also be upgrading X and Y to closed-loop steppers when the linear rail kits arrive, so that will probably have a bigger mitigating effect.
Grub screws were tight. I think the eccentric nuts on both X and Y axes were a little loose. Letâs hope that fixes the issue for now.
Go time!
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Sounds good, and looking good.
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Seems good so far! No clearance issues anymore. I have yet to mount it to the core, or cut the foam skirt (I bought the hobby foam, and will cut by hand this time around).
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I am really looking forward to this, because the idea is fancy schmancy. 
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Looks awesome! Exciting!!
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Itâs looking great, and actually very close to what I had envisioned Doug, but that doesnât mean I wonât have a crack at reinventing one.
In a year or two!
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So quick update on two fronts.
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We suffered major rainfall with flash flooding, several counties declaring state of emergency and quite a few of us took on water in our houses and church etc. We suffered water in our basement. So, I have had to completely upend and disassemble my workshop to deal with water, and I donât yet have it put back together.
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The MGN12 linear guide and MGN12H bearing slide that Mike Pensinger @probrwr kindly arranged for me (to be shipped to me in a shorter time frame than my own delayed orders were taking) has arrived. Thank you, @probrwr! I so wish I could immediately assemble mine and test, but see #1 above. UGH!
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Going to print this tommorow ordered rail, hose, hose keys, and foam am i missing anything?
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If you have screws for mounting and PLA for printing I think youâre on it!
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Happy to help! Hope everything dries out!!!
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penty of both 
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Mounted!
Things I noticed (not problems, just notes for others):
- the hose has to be disengaged and the shoe mount removed from the linear rail block in order to install the screws on that side of the Makita clamps.
- after I glued the upper hose mount into the upper router mount, the hose mount partly blocked the holes in the router mount ring. I quickly discovered that those holes are for tightening the screw on that side of the upper router mount into the captured nut in the core. The closest bit I had to that hole size was 27/64, which worked really nicely to open it up again and allow a screwdriver through. Plus, now that hole looks cleaner. Bonus!
- there is a natural increase in resistance to upward movement of the shoe as the hose gets compressed. I have a feeling this means the foam dust âbrushâ may/will get compressed against the material being cut as the bit goes deeper. I used a very similar hose to the one in the video, with 10 loops cut. I think we may all need to play with the length of that hose to see what works best; my guess is that maybe something like 9 loops might be better. Since my machine is still a ways off from its first tests, someone else may discover the magic formula first.
- I really like the latch! During initial assembly of the rail and latch system, I played around with spring length and cut it so there was just enough tension to slip the tab under the rail, but not enough to cause substantial drag on the carriage. I probably didnât need to worry though, due to the much bigger influence of the hose on the z-axis movement of the carriage on its rail.
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Wow, nice work!
I had considered designing semi-circular ânotchesâ into the upper hose mount to align with those holes, and thought Iâd see how much the mount interferes with installation first. Based on your experience it seems I should try to design those notches.
Love your blue and black color scheme, and this photo looks fantastic.
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Thanks! Too bad itâs not sitting on rails above a cutting surface yet! Hopefully working on clearing out a place for it over the next week (clutter EVERYWHERE) so that I can get it on rails and start learning how it works.
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Just ran a test and it worked pretty well i did however have an issue with the foam âbristlesâ becoming warped and eventually collapsing under the weight of the show and the shoe kinda just sitting on the cut surface. Also i didnt use the top bracket and just attached my long flexi hose run staight to the bottom bracket and then just ziptied the vacuum to the top of the spindle. It helped with a bit of tension
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Thanks! Could you post some pics showing how you did that?
