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I have a Robo 3D. However A while ago, the print bed was fractured, and now it has a long crack cutting it in half. The bed still works because it is held together, by the screws holding the bed to the tracks. So I want to continue using it, because it still is fairly good, the heating element works fine, and a replacement bed is 80$, and I am unsure if the one sold on the RoBo 3D website will be compatible with my printer as I don't have the R1, but a version before that.

My cracked bed, with crack running straight through the center

So my question is: How can I best align the two glass fragments, to provide as flat a print surface as possible, and two how to best hold these two pieces in place, or if it would be best to invest in a new print bed?

EDIT: Here is a image of the heating element as well to explain the situation with how it is attachedThe heating element attached to the underside of the glass print bed

EDIT: The RoBo 3D team have said that I just need to upgrade my y-axis with a object on thingiverse and then buy their new build plate. So I am going to experiment with a glass replacement, and if that fails to succeed then I will go along with their suggestion, and buy the upgrade. Thanks everyone for their help.

1 Answer 1

IMHO your best bet is to use some kind of a tape. I do not have any experience with robo3dprinter but, I have been using glass with PET tape on in for past 4 years.

I have seen guys using Kapton tape as well. Never tried.

The main disadvantage on this solution is increasing the bed thickness, I am not sure if you are able to tinker with the Z level endstop, in case not this migh be an issue.

The other solution you can try is replace your bed with piece of glass and then apply PET tape or any other kind, I am also not sure if you are able to replace the bed print surface of not.

When using glass and PET tape, you need to get the surface of PET tape rough using sand paper, and you might have to apply so called Acetone Juice to make sure that your ABS prints will stick to the bed.

Acetone juice is basically Aceton with disolved piece of Natural ABS plastic this created sticky layer on your bed that helps to hold your prints on the bed while printing.