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The optimal placement position for material beds

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Laser
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2024-11-11

Just curious how the folks here have found using certain places on the X/Y table for placement of the work material ?

I noticed, and makes sense, alot of folks use the back left corner to set up a square for dropping in material or maybe a work jig to engrave or cut.
This makes sense as this is the best point for the mirror distant and it should follow that the laser power transfer has the least lost if there is any… Depending on the work size of course. but certainly better than the right front corner…

I have a larger bed on my Monport130w, 35 x 55 so the far back corner is not the most convenient spot to work with, so I set up front center and did a batch of cut testing to ensure that there was no power loss across the material area as the laser head moved to the right front side on a 18"x18" work area and it seems to be ok… I still question it now and then, but it is probably more my paranoid nature sneaking in…
I am gonna look into the far left closer to the X mirror and see how that goes…’

But wondering what everyone else has discovered ?
C

    • John Trant

      2024-11-12
      I use the left back position for my fence, but I can see how that could be difficult on a bed your size. One factor in my decision is that I sometiimes use the front pass through slot to work with longer material and having the fence in the back works better for that.

I don’t think it really matters where you have your fence set up as long as it is locked in place for repeatability. One reason I chose left vs right is my honeycomb bed is smaller than my work area on the right by about 10mm so I would have to start at a position of 15 or so in order to cut through.
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        • Silvano

          : Just thought of something when you said repeatability… Did you secure the honecomb top to the Z axis table? or does it just sit in place with out any issues? Mine is pretty dang heavy and even trying to center it is a struggle, but still, was thinking of dropping a couple screws to secure it anyway… thoughts…

        • John Trant
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          @Silvano

          : Mine is attached with a screw on each side. You can see them in this pic, along with my L fence.

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