Hello Everyone,
It has been a while since i have been on here. Looks like things have changed a little.
I’m working on a project that keeps messing up during the process. Not always in the same place.
I’ve change settings, I found a nice speed that does not cause the gantry to sound like it is touching the sides. It is smooth and quiet now. The picture shows that is looks like it started moving. I’m not sure how to describe what it has done. Please look at the picture “Cover Picture Small.jpg”. It is like everything shifted. There is nothing that the tip of the laser touched. It did not skip on the gantry.
I’m pulling my hair out over this.
Greatly apprecaite all your comments, suggestions and help in helping me figure this out.
You have a mechanical issue with your laser. Probably a skipping belt or loose pulley. Scale this file proportionately to fit your bed and run it at high speed with all optomizations disabled at a high enough power to get a good mark on cardboard. If the output doesn’t match the file, you have some fixing to do. This site will help. BacklashTest.lbrn2 (68.8 KB)
Hi Tim,
Thank you for your quick reply.
I’m not sure if this site still tells the type of machine I have. If not, I have an XTool D1 Pro with the extended bed. Mine is a 2 feet x 4 feet. I clean and maintain it often. About once a month. About every 6 months, I take it completely apart to clean, check, oil the steel tracks, check and calibrate the alignment of everything, check for square, clean the bed and the sheet of alumunum under the bed, and tighten everything, replace the lens and cover, etc… I use glide-coat on all the tracks and wheels. Makes things super smooth and slick. Just part of the preventive maintenance. Keeps things clean and from creating as much smoke while in use.
I have tested and everything came out perfect. I forgot to mention this is my first post, but I have done lines, shapes, line text and measurement tests. Everything I could think of, and everything came out perfect. I have checked the belts, again. I used the pattern that you sent. I created specific shapes with specific dimensions, and everything came out to the exact millimeter in size. The lines are sharp and crisp. The fill of the text was perfect. No wavy lines any where.
I’m using another graphic of the same picture I attached. I’m sure it is a copy of the original. This is one that I purchased. I did see that lightburn indicated it has some open vectors. I corrected them or deleted them. I have etched others and they come out. I had a small issue with etching text recently. I figured that out and have now etched many projects with script text.
I’m going to keep testing. There has to be something that will eventually show and tell me what is causing the issues. I don’t know what else to do. But I am open to any suggestions. Happen to have anything else I can try?
In the photo you provided of the output, there is clearly missed steps or something has shifted. The fact that you say it happens at different parts of the engrave pretty much rules out a software issue. If there was a problem with the file, it would be consistant where it messes up in my opinion.
I had a problem with my gantry diode that was difficult for me to find. It would act similar to yours, although not as drastic, after it had been running for a while. It ended up being a loose set screw on the motor pulley. Apparently it wasnt until the shaft/pulley combination heated to a certain point that it would slip.
I also understand that improper acceleration settings can cause missed steps, but that is above my knowledge level.
