In this third episode of Shapeways Ask An Engineer, we take a look at the polishing process for Strong & Flexible Plastics products. Production Engineer Sven takes us through all the steps. Take care - this machine is LOUD!
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Nice video, thanks for sharing your post-process;) my only question is: what about the smaller things? And the inner arches and surfaces of the objects? I guess they cannot be polished, just from the outside. Which material do you use for grinding and polishing? (what kind of ceramics and stones?) Does this process work with PLA bio-plastic as well?
A good educational video. Thanks. I also am given to understand that Makerbot's Replicator does not require washing or polishing post manufacturing. It appears the 3D Printing process is making progress across the finished product front.
I checked with our engineers and the amount of material that gets taken off by the polished is really minimal: they estimate around 0.01mm. Because of the forces involved, there are some different design rules for polished materials though. You can find them on the following page: