Thanks, it does seem to work well although I did have to partially set a couple of the anchors. After several attempts and troubleshooting I finally completed calibration at .6125 fitness this evening. On to my first test run hopefully tomorrow.
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I have been thinking seriously about whether I want to design my system to have anchors at different heights to reflect the different heights of the spools in the stack-up. I know that with z-axis moves and different work piece thicknesses, one can only be at optimal height (whatever that is) part of the time. I am open to arguments as to whether different anchor heights is worth the effort or not. I imagine that we won’t really know for sure until people try it and see.
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John Wolter wrote:
I imagine that we won’t really know for sure until people try it and see.
yep
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I was thinking this same thing.
What is done to cover the holes when not used? Garage floors can be very dirty. A short bold could be used. What are better options?
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Does anybody have complete setup with spoil board? It would be helpful to understand adjustments for different thickness of spoil and work boards are handled.
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These fill the holes
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I installed 3/8th drop-in anchors. I put a small section of 3/8th threaded rod into the anchor. I took 3/8th couplers and a 10mm drill bit and drilled down about half of each coupler (basically making a 10mm to 3/8th reducer). I screwed the 3/8th coupler end onto the threaded rod (which also locks the pieces in place). After doing that, a 10mm pin slides snuggly through the belt end and into the top of the coupler. If I want extra height, I can swap in a taller section of threaded rod (and likely a nut at the bottom for locking pressure), however, I haven’t had any issues yet. Frame flex is non-existent. To keep clean when not in use, can use set screws like above, drop some bolts into the holes, or even put some pieces of painters tape over the holes.
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Ooh, my brain is having a hard time visualizing that… Could you post a pic or diagram?
This is how it looks while connected. I used a ball pin, but a cheaper non-ball pin would work just as well.
This is it disassembled.
The 3/8" anchor is in the floor. A short piece of 3/8" threaded rod screws into the anchor. The washer distributes pressure down. Then the coupler/reducer screws onto the threaded rod, and the pin goes into the other end of the coupler/reducer.
It’s a bit hard to see from the photos, but I took a 10mm drill bit and drilled down the threads of half of the coupler. 3/8" is ~9.5mm so it only took out about 0.5mm of material. After drilling, the threaded 3/8" end of the coupler screws onto the threaded rod, and the pin drops into the unthreaded 10mm side of the coupler (the hole in the belt end is 10mm).
I tried to drill out a hole in the side of the coupler for the ball on the pin, but it didn’t work that well and stays very secure as is.
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These are the anchors I got. https://a.co/d/790d5At
Here’s the couplers I used. https://a.co/d/8UI8sEq
For the threaded rod, I recommend a trip to the hardware store. Likely cheaper and nicer than what you can get online. Really, you should be able to get it all at the hardware store.
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