Yes Aiph5u , I know it has been discussed here before and one can search for it, but I do not understand what is written in here about the coplanarity test. So, based on what I’ve read, you do the following: Get a couple pieces of fishing line ---- check put weights on each end of the line — check …

Move your y-axis gantry to the middle, then move the x-axis the whole way to the right or left. The gantry bearing block in your picture looks like it’s touching the fishing line, which it can’t be doing. Make sure the fishing lines are as tight as you can possibly get them. If either sags, you’r…

I use the screws on the top of the aluminum extrusion that hold the tubes in place, the extrusions should be consistent enough for this to be an acceptable reference point.

[image] WaywardWoodworker: I use the screws on the top of the aluminum extrusion that hold the tubes in place I just did that and it looks pretty on the money, I even tried picking up on the corners of the QCW and couldn’t make it move much at all, and also swapped the top string around and n…

Hey Gil, by the way, if you want to send me a signal from inside a post, put an “@” sign (the Ray Tomlinson sign) in front of my username, like this: @gilbee . Three points in space are always in one plane (a table with three legs can not wobble). So if the fishing lines touch, you got to first rev…

@CommunityUser5 (a table with three legs can not wobble) You haven’t seen my tile flooring. Was planning on using the unused bolt holes on the top ends of the Y rail brackets, will they be accurate enough? Will have to watch that the loop on the string does not climb the bolt thread.

Thanks for all your contributions to this forum @CommunityUser5 !! You mentioned that it does not matter which foot to raise. In my case I have 1/8 “ gap between the fishing lines. Im debating to raise one foot so much. Maybe it would twist the Z travel? I’m just not sure what exactly to move other …

You may find this video helpful. It does not use the fishing line method that I did, but I believe it answers your question. https://www.youtube.com/watch?v=UKc5DfoBCfI&t=4s

I ended up using playing cards to shim the two feet that were attached to the lower string until they were high enough to touch the higher string (a total distance of 1/8”). Then I resurfaced and ended up nice and flat. I also replaced the smaller lag screws with some much beefier ones. I finished w…

The next steps would be to -check if X and Y gantrys are square -Tram the Z axis in both directions [image] Is your router frame a parallelogram? Mine was! robotOriginal/PRO w/Buildbotics (Gen 1) That’s a good article for those of us working with wood especi…

If your table is on wheels you’ll need to do the fishing line process each time you move it …

Pictures or video of the coplanarity fishing line test?

Geige (Tom Wert) May 5, 2024, 5:41am 10

The next steps would be to
-check if X and Y gantrys are square
-Tram the Z axis in both directions

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Pictures or video of the coplanarity fishing line test?

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