DIY Laser levelling using webcam and laser level

[driftspin]

Hi Joe,

Do you still use it like this?
Or do you also point the laser directly to the sensor now?

Oh btw this is my camera:

https://s.click.aliexpress.com/e/EWnU1gjA

1280x768 i guess.

Hope to put it in the dustshoe later.



Grtz Bert.



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[devmonkey]

Hi Joe,

Do you still use it like this?
Or do you also point the laser directly to the sensor now?

Hi Bert,

No I just use the bare sensor in a milled fixture, see:

[Nealieboyee]

Nice work guys. For us laymen, how would this work (once all the problems are worked out) for, say aligning the parallel rails on a Y axis to make them level with each other? Is it just a case of placing the sensor on one rail and the laser on the other and then shimming until the software shows the line dead center of the screen? Forgive my ignorance.

[devmonkey]

Nice work guys. For us laymen, how would this work (once all the problems are worked out) for, say aligning the parallel rails on a Y axis to make them level with each other? Is it just a case of placing the sensor on one rail and the laser on the other and then shimming until the software shows the line dead center of the screen? Forgive my ignorance.

That would get the curve of the rails identical but it wont make them straight nor planar.

I was planning on positioning the laser across the room, levelling one rail, the levelling the other rail to the first rail bringing them into plane. For the Y gantry there are some options, you can do it the same as the X and then adjust for perpendicularity when you assemble the machine either by using a square or by using this laser system in tramming mode. Or you can assemble the machine, straighten one Y rail, then use tramming mode to bring the other into plane.