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Hi, I wrote the article. I am really enjoying the comments everyone has contributed. One major detail I left out was the amount of failed parts that came out of
by MikeAPD 10y ago
Hi, I wrote the article. I am really enjoying the comments everyone has contributed. One major detail I left out was the amount of failed parts that came out of the professional machine prior to getting a good one. I was unaware of the reject rate at the time I wrote this. In addition, the production tool ended up having resin added and then sanded to cover up some of the imperfections on the "professional" print.
- kragen 10y agoWhat was the reject rate? Also, some of us have asked some other questions about tolerances and material properties in other comments on here; could you answer them? I'm sorry about the somewhat intemperate comments of some of the other commenters.
- MikeAPD 10y agoI can't give you an exact reject rate but it went through at least 3 iterations before being acceptable. As for tolerances and material properties (overall strength of the part) the Stratasys machine is superior in both aspects. As I mentioned in the conclusion of the article, I would like to do more experiments on the parts including dimensional analysis and possibly a tensile or compression test. Having 1 data point (1 tool from each machine) wouldn't be the best results for an accurate comparison but I would still be interested in the results.