I have been working with our SLA printer (Facture Draken) for a couple weeks now printing in makerjuice waxcast. . I have had some successful prints, but the majority (80%) end up as pancakes stuck to the bottom of the resin tray. Some others break in half mid print.
I have experimented with laying my models (round circular diks) flat on the build plate, but most of the times I place them on supports which stem from a square baseplate.
It seems clear to me that there is allot of force being put on the models while curing on the bottom of the resin tray. I have noticed that printing objects with a larger projection area are more likely to stick in the vat. I assume this is because of the increased contact with the tray. Usually it seems ~10 layers are built before my baseplate breaks away.
Things I have tried
- Pulling out the build plate, cleaning it with Acetone. Sanding it with 80 grit sandpaper.
- Emptying the resin tray and replacing with new resin.
Upping base-layer cure-time from from 30seconds up to 3 minutes, and variations between.
Upping base-layer count from 2 to 4.
- Rotating model base 45% to start the tray peel process from a corner rather than from a long edge to reduce initial tear force.
Anyone with experience got more suggestions on how to continue troubleshooting?