Post subject: Initial turning very poor for Shapeways Polished WSF?
Posted: Sat Jan 18, 2014 3:32 am
Joined: Thu Dec 31, 2009 8:54 pm Location: Bay Area, California
I've recently ordered a few puzzle prints in Shapeways Polished WSF and much to my surprise, the parts seemed to need significantly more breaking in just to get turning at all.
I noticed there seems to be an almost white-mud-like powder residue that is much finer than the typical unsintered nylon powder on the surface of the parts. Instead of the polishing process breaking the pieces in, it seems to have made the initial turning worse.
My current hypothesis is that the ceramic media Shapeways polishes the parts with wears into an extremely fine powder that gets caked into the pores on the surface of the parts. Once there, it is harder to wear down the partially sintered surface in the break-in process.
Has anyone else experienced any differences in turning quality between WSF and the polished version of the material?
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