Please tell me. Lines are disconnected or misaligned

[aoshi (diy)]

I am writing this using the translation function as I do not speak English. There may be some things I do not understand. Thank you in advance.

I am using “NEJE 3 MAX V2 (extended version)”.

I have drawn four 100 mm squares in Lightburm. I want to make a box with overlapping lines that are not broken.

Layer 1 Red line Valley fold Layer 2 Green line Cut

Connections are not separated.

If you actually cut the lines, they will be disconnected or misaligned.

Check the right angle of the frame, check the belt tension, check the laser head, check the calibration adjustment, check if there is an optimization setting, check if there is no optimization setting, etc.

The symptoms are still not getting better. Please help.

Thank you very much.
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[Dskall (D Kallenberger)]

I would say you have a mechanical issue. I would check that all set screws are tight on all drive pullies and couplers.
Troubleshooting: Mechanical Issues - LightBurn Documentation (lightburnsoftware.com)

[aoshi (diy)]

Hi Dakall Thanks for your comment.

It may be a fundamental assembly problem.
I will try to take it apart and rebuild it.

I can only work on it on my days off, so I will report back with the results.
Thank you very much.

[parsec (FerAS)]

Instead of the squares draw a rectangle 300 x 100 Ctrl D to duplicate “.” to rotate 90 degree, all on the same layer set your settings just to engrave and run the job.
Post a picture of the output

[aoshi (diy)]

Good evening, parsec.

Thanks for your comment.

I hope I got the drawing right.
The sculpture seems to be drawn nicely.
However, what I want is a little different.
The middle square part is the line to fold and the outer perimeter is the cut.
I think two layers will be needed.
Thanks… .

[parsec (FerAS)]

It was just to check if the output comes aligned (when you’re not sure of your designs you have to zoom in more to see/check the placement).
With the idea of the 2 rectangles you can weld the 2 shapes and then draw a square 100 x 100 set to other layer and center-align with the welded rectangles.
Rectangles.lbrn2 (4.3 KB)

[aoshi (diy)]

Hello! Today is my day off and I have been doing maintenance since last night. I will report the results first.

Finally, we were able to achieve this level of accuracy.

When the speed is increased, the intersection point still deviates.

After maintenance, we found that the problem was a mismatch between the wheel bearings and the aluminum load. The wheel bearings are genuine, but I had to readjust them a bit. The Y-axis was bad, but I was able to improve the accuracy.

The X-axis is still not satisfactory, but it is quite difficult to adjust. I’ve made use of an odd bolt and an imo screw a couple of times, but I’m not sure if it’s too much to ask for more accuracy from an inexpensive machine.

Thank you both for your advice.
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