April 15, 2019 at 5:14 am #97017
I’m having trouble getting my gantry/x and y axis square.
The parts were purchased from Ryan, so no issues with the print.
Tension bolts A, B, and C are all loose (say nuts a couple of mm from the plastic pieces.)
In the pic is a cast iron milling square fixture (it is the squarest thing I own I use it regularly on my milling machine) gap i about 1.5mm and the milling square is 65mm long, so there seems to be a significant out of square condition.
I have tried tightening tension bolt B to no effect.
I have also tried various tensions on tension bolts A and C also to no effect.
I have assembled it and disassembled several times, but it always shows the same error in the same direction.
The conduit fits well, and is the correct size – 25.4mm. It moves smoothly through the bearings…
Attachments:April 15, 2019 at 10:14 am #97039
A few more pictures would help, I can’t really check your build or see what is going on with that one.
The other suggestion is from the FAQ’s, use it for a bit, see if it “breaks in” some.April 15, 2019 at 10:16 am #97040
The only thing that could actually be assembled wrong is the Z axis. A twist, or just improper spacing is possible (hard to do but possible).April 15, 2019 at 2:01 pm #97067
Thanks for replying.
checked the z axis – looks Ok.
Extra pics attached. Not able to figure out what is going on – the out of square is significant – if 1.5 mm at 65mm, then over 600mm (my build size) I’m looking at over half an inch 🙁
None of the tension screws seem to make any difference.
Don’t see how I could cut anything close to square….Let me know if the pics don’t show you what you need to see…
Attachments:April 15, 2019 at 2:10 pm #97073
Go through the instructions again. You can not check anything without all 6 rails in place, the 2.5″ do need some tension.
There are a ton of things you need to learn before you have to cut perfect exact squares. At least drawing a crown or five. What happens is some of the bolts move a bit (to a more correct position, some even get less tension) and things tend to work better after a little use. No idea why this happens for some people but it does.
A full build picture really helps, at least the complete center assembly, as I said it has to be complete before you can check or adjust anything.April 15, 2019 at 2:32 pm #97080
I won’t worry about it at this stage then. I had removed the z axis from the centre assembly for the pictures. Fully assembled the whole centre unit shows the error. Have taken it apart and put it back together multiple times …
Will complete the build of the whole device and check it out then. Was just trying to complete this stage as well as possible before proceeding.
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