Just wanted to say that I’ve had another tray crack issue and so raised a ticket, the crack resulted in a loss of resin outside the printer this time, hard lesson learned from the first tray crack. Giorgio from Berlin Customer Care has been fantastic, he’s an asset to Formlabs.
@digitalDougie, I have started storing my resin outside the tray for this reason.
I purchased paper cones and funnels from Amazon, and store the resin in plastic paint containers purchased from a paint supply. I keep these in a cabinet away from light. It’s a little more hassle, but apparently the castable resin is pretty caustic and will cause the tray to crack. My process now if I’m not going to print for more than a day is to place a paper cone in the paint container, and pour the resin through the cone out the back spout of the tray. I use the putty knife (included with printer) to clean the resin off the “rubber” layer on the bottom of the tray. I store it in these paint containers.
At first I dreaded filtering resin, but have found that this process seems to produce better, cleaner results on all my prints, as there are no “flakes” in the tank…ever. I don’t mind it now.
Thanks for the replies and links @katkramer, I’ll give this a try. I wondered if the specific gravity of castable was different & there was more pressure being put on the tray by the build platform as a result, however, chemical reaction makes sense. I was also advised to keep checking the ball spring plungers that hold the tray in place don’t get stuck.
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