Re: Bubbles in Resin Vat

From: Alberto Gonzalez (
Date: Wed Mar 28 2001 - 22:44:26 EEST


I have the same problem and DSM offer no solution!
my suggestion is to change resin.

Jeff Toole wrote:

> I have a problem with bubbles in the resin during builds. I know it sounds a
> little silly at first, but this does have consequences in part quality and
> personnel utilization (someone has to be on "bubble popping patrol" at the start
> of builds).
> I am running SLA-250's with Doctor blades and SLA-500's with Zephyr blades.
> Resins are Somos 7100/7110/7120, 8110/8100, and 9100. Supports are Finepoint
> via Lightyear 1.1 w/ SP1.
> The problems are twofold. First, during the initial support building phase, a
> lot of bubbles can knock out supports and cause "mounding," leading to a crash.
> Second is the problem of small bubbles becoming cured into the parts. This
> seems to happen most with the Doctor blades as the tend to comb larger bubbles
> through the Finepoint supports to create ever smaller bubbles. These small
> bubbles are virtually impossible to clear from the vat once they have formed.
> This doesn't seem to occur with Zephyr blades as a single pass (maybe two)
> usually clears all bubbles.
> Does anyone else have trouble this? Has anyone come up with any good solutions
> for it?
> For more information about the rp-ml, see

For more information about the rp-ml, see

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