Quote:
Originally Posted by frizzen
If you do another round of testing, how about some strange mixing B with D and E.
Make piece with I-beam type opening but thicker walls, print at 100 infill, wider aluminum insert with radiused corners (1/8" min), print second flat plate that lays over i-bead side of first, and solvent weld the printed parts together.
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That's a killer test! Thank you for planning, setting up, carrying that out, and documenting! Wow.
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Thanks Frizzen. I'm not going to be doing any more testing for awhile, too many other irons in the fire. As I said above, if I do another trailer it will be a combination of I-beam with 100% infill. I haven't designed it but imagine it would take about 40 hours to print. I ran my original design through my slicer program CURA and it said that at 100% it would take over 53 hours to print! Why I went with 20%. Based on the testing though I am pretty convinced that, without increasing the overall size to the point that it looks silly, it simply won't be possible to create a printed lowboy that will handle 100+ pound loads. If that kind of load handling is wanted the only thing would be to make a skeleton frame of metal, which could be rather crude, and then print a 'skin' of whatever shape desired to provide the finished appearance. This would apply to the rear end section of the trailer also.