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Problem with weld breads in Assemblies with Helixes

Problem with weld breads in Assemblies with Helixes

Problem with weld breads in Assemblies with Helixes

(OP)
Good after noon, I have one assembly with a tube with a single loop, helix and swept, in the middle and a part on each end.  I can use the weld bead on each end and get a weld and the is what I want.  I have a second assembly with a tube and a double loop, one loop up and one loop down and made the same way, but when I try and put a weld bead on the ends, they fail, like when the countersink in the ends is to large, but I have made the countersink hole as much as .01 smaller than the OD of the tube. and still nothing.  Any suggestions as to what I can do to geta weld bead on the double loop assemblies?  Thanks you in advance for any assistance.

RE: Problem with weld breads in Assemblies with Helixes

Very hard to even guess at what's happening without seeing it.

Can you make copy of the finished single-loop part and convert it to a double-loop?

cheers

RE: Problem with weld breads in Assemblies with Helixes

(OP)
Thanks for the response CBL and sorry it took me so long to get back to you be the vendor told me the had it "fixed"  and so I was trying to play with it, except I have had no success at all.  They told me that the problem was with composite curve and its approximation when modeling and the using fit spline fixed the problem and they could use weld bead.  So I destroyed the sweep and the composite curve and selected the sketches like they said and went to tools/spline tools and tried to select fit spline, but it is grayed out and un-selectable.  This is my first attempt at using a spline and I am not sure what is wrong here and maybe you might have a suggestion about this.  Thanks for any suggestions here, becasue i am totally lost in these splines.

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