Thank you for your video. I have been dealing with my laser being out of square for a while now. Your video pointed me in the right direction and YES it worked. I solve the problem of getting a square to measure rail to rail by clamping a 1-2-3 block the Y rail. That gave me the height and a good reference to use my square to straighten it out.
With most macvhines the Y belt tension is achieved by adjusting a unit on the backat each end of the gantry. If you tighten the ajustments differently this may be the real cause of the gantry being off square so be careful to adjust both belts by the same amount. The method demonstrated is exactly what you need to do, with the big sqaure and equal diagonals method. However there is one impoertant point missing from this video..... the gantry bearing blocks. Those bearing blocks are usually pre-tensioned onto the rail to ensure they are bscklash-free. If you twist the gantry then you are twisting the beaiing blpcks out of line with their free running position and this will result in premature bearing wear.. It is therefore important that your slightly loosed the end bearing blocks so that they can "float" into thier natural stress-free alignment. Dint forget to retighten them after you have squared the axes..
Thank you for sharing! Very useful! This should be the starting point of a proper laser calibration/alignment. Regarding the squareness between the x and y linear rails, do you think a 3d printed custom square would be accurate enough ?
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THANK YOU!... while sometimes I feel mechanically and electronically inclined to do these things on my own, this guidance is spot on. Cheers.
Thank you , one of the best info videos i have seen on youtube for a while, I knew I had a problem but not sure why things were coming out not square.
Thank you for your video. I have been dealing with my laser being out of square for a while now. Your video pointed me in the right direction and YES it worked. I solve the problem of getting a square to measure rail to rail by clamping a 1-2-3 block the Y rail. That gave me the height and a good reference to use my square to straighten it out.
Thanks a lot for the good explanation and ideas on how to measure the bigger diagonals. Very good job!
With most macvhines the Y belt tension is achieved by adjusting a unit on the backat each end of the gantry. If you tighten the ajustments differently this may be the real cause of the gantry being off square so be careful to adjust both belts by the same amount. The method demonstrated is exactly what you need to do, with the big sqaure and equal diagonals method. However there is one impoertant point missing from this video..... the gantry bearing blocks. Those bearing blocks are usually pre-tensioned onto the rail to ensure they are bscklash-free. If you twist the gantry then you are twisting the beaiing blpcks out of line with their free running position and this will result in premature bearing wear.. It is therefore important that your slightly loosed the end bearing blocks so that they can "float" into thier natural stress-free alignment. Dint forget to retighten them after you have squared the axes..
Thanks SO MUCH for this tutorial. I searched high and low and could not find this information!!
@4:05 HEHE... HE SAID "GRAB THE SHAFT"...
Mine loosened over time. Thx I’ll try this.
Greatly appreciated!
super helpfull thankyou
Manufacturers should provide better maintenance tools.
Thank you for sharing! Very useful!
This should be the starting point of a proper laser calibration/alignment.
Regarding the squareness between the x and y linear rails, do you think a 3d printed custom square would be accurate enough ?
I have a 1x1mtr diode laser machine with alignment issues.. and no one can tell me how to calibrate the rails.. its driving me crazy
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