I also didn't know that there was 'resin' investment
I use Ransom & Randolph Plasticast.
The shrinkage is most noticeable in thick prints. If your part has a mixture of thick and thin areas you will see some part distortion.
Mark T
I also didn't know that there was 'resin' investment
Wow some of those resins weigh in at $300/bottle
coming from the really old days of ammonia blue prints scaling a print simply did not work the paper was really weak creased easily and ripped and decomposed quickly . At one pint I was tasked with recreating 3D models fromThank you for the heads up on this. I wasn't aware of a shrinkage issue. I have some prints done in iFun 3122 that I was waiting to invest after I figure out the mess I made of my shop moving everything. I even started piling stuff in the bed of my '41 ford pickup project.
I will have to measure them and see what kind of shrink I get. They will still be useable to figure a burn out schedule even if they are undersized. I haven't tried Siraya but have heard from several people that it's good stuff. I also didn't know that there was 'resin' investment. I guess I was just so comfortable with my good ol tried and true investment I never thought to look and see if there was something better suited to the job. Almost makes me want to just stick with the good old wax stuff that I know. Almost.....
I'm waiting on a quote from a local company on the cost to move the mill. Once it's up on the hill I can get back to finishing the cylinder molds.
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