Vagulus Posted August 4, 2014 Share Posted August 4, 2014 I have an helical screw with its face at an angle to the longitudnal axis. I wish to FIX (so that it will move with the screw) a planar paddle to that surface: I can align the axes of the parts as above and move the paddle into place: Now, how can I FIX it there? All assistance appreciated. Screw.ipt Paddle.ipt Quote Link to comment Share on other sites More sharing options...
JD Mather Posted August 5, 2014 Share Posted August 5, 2014 I have to run now and don't have time to open the files, but are you familiar with multi-body solid modeling? Quote Link to comment Share on other sites More sharing options...
Vagulus Posted August 5, 2014 Author Share Posted August 5, 2014 I have to run now and don't have time to open the files, but are you familiar with multi-body solid modelling? Hi JD I used multi-body modelling to derive the paddle, but I haven't found anything on my textbook (or anywhere else) that tells me how to solve this problem with compound curves. Quite simply, Inventor 2015 is not keen on selecting a compound curve face for a constraint. Quote Link to comment Share on other sites More sharing options...
JD Mather Posted August 5, 2014 Share Posted August 5, 2014 I used multi-body modelling to derive the paddle, ... Use multi-body and then push out the assembly. Done! Quote Link to comment Share on other sites More sharing options...
Vagulus Posted August 5, 2014 Author Share Posted August 5, 2014 Use multi-body and then push out the assembly. Done! Sorry. I did not make it clear that I wish to add multiple paddles to the screw. Each has to be fixed in position on the screw in a given position. Using multi-body I can draw them one at a time but that seems a little inefficient. Can I not, somehow, Place multiple paddles and use Joint or similar to fix them? As I said, Inventor does not like selecting compound curves. Quote Link to comment Share on other sites More sharing options...
JD Mather Posted August 5, 2014 Share Posted August 5, 2014 I would use a Curve Driven Pattern. Quote Link to comment Share on other sites More sharing options...
Vagulus Posted August 6, 2014 Author Share Posted August 6, 2014 I would use a Curve Driven Pattern. It took a day to discover that Curve Driven Patterns are Rectangular Patterns that follow a curve (well, that's one example). There's not much out there in Tutorial Land. However, I have had considerable success in achieving my goal - thanks for the help. Now ... One thing more. In setting up the pattern I had to use a length to establish the distance between paddles. I would prefer to be able to establish the spacing by angle (radial angle around the x-axis). Is there a way to do that? Quote Link to comment Share on other sites More sharing options...
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