Calibrating x,y on ruida RDC6442G-B

Hi, sorry if this has already been covered I wasn’t able to find anything,

so i need some detailed instructions on setting the x,y axis for this Ruida controller i try to cut a 1"x 1" square and it’s making it about 2"x 2" but when i try to calibrate it …lets just say i had to reset the machine to factory it was all bad if anyone can help I would greatly appreciate it.

I have the 6445, but it should be the same.

First off, make as large of a square as you can cut in your machine with about an inch all the way around, and put a dashed line down the middle. Cut it on some paper and measure what it is actually cut at. If you have a large machine, use old wrapping paper, works great.

In RDWorks connected to the controller - File, Vendor Settings ( PSWD RD8888 )

You will see your dots at the top for each axis. The box marked Step Length has three little dots next to it, click on them. Graph Length is what it’s supposed to be according to the program, measured is what it cut it at. Enter the two numbers and it calculates it for you. Do it for both X and Y. Do the cut again just to double check, and the larger the square the more accurate the adjustment calculation. You may have to tweak the numbers by a mm or so on the second and possibly the third time to get it spot on.

Now, you remember that dashed line down the middle of the paper? Fold the paper on that dashed line. If the corners come out, your machine is square in the Y axis. If not, that’s how much you are out by. I got lucky, mine was out by roughly one belt tooth. Loosened one of the adjusters and hopped the belt one tooth on the gear. If you’re not that lucky it’s still adjustable, but it’s a more involved procedure.

thanks for the reply dave i appreciate it, i don’t have rdworks installed just lightburn. is there a way to calibrate it by changing the step length?

Can’t say on LightBurn, but RDWorks is a fee download from the Ruida web site

If lightburn doesn’t have it, you definitely want to get into vendor setting and read and save a copy of them once you have everything right. If anything ever happens or you have to replace your controller, you have a file to dump in and be back operational in a few minutes.

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