Inventor General Discussion

Inventor General Discussion

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JDMather
Posts: 28,262
Registered: ‎04-20-2006
Message 11 of 18 (567 Views)

Re: Loft to Curved Surface?

11-10-2009 03:59 PM in reply to: ljapsey
>this is what I get

What happened to the box?
What happened to the feature tree?
Is this the file you intended to attach?
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ljapsey
Posts: 638
Registered: ‎09-03-2006
Message 12 of 18 (567 Views)

Re: Loft to Curved Surface?

11-11-2009 08:13 AM in reply to: ljapsey
JD,

Sorry about the mix up....I did pick the wrong file!
Thanks, Larry
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JDMather
Posts: 28,262
Registered: ‎04-20-2006
Message 13 of 18 (567 Views)

Re: Loft to Curved Surface?

11-11-2009 08:23 AM in reply to: ljapsey
Delete the Split (don't know what you were trying to do with that?)

Delete the Loft (but not the sketches).

Edit Sketch5 and change the projected geometry to construction type and close up the top and bottom as in attached.

Split and use the rectangle sketch in Sketch5 to split the cylindrical surface.

Loft from Sketch3 to the split face of the cylinder.


Oh, and change the projected edges in Sketch3 to construction as well. In fact, they aren't even needed.
Don't tell me you have Autoproject on Sketch Create turned on? You might want to read this document http://home.pct.edu/~jmather/AU2007/MA105-1L%20Mather.pdf

Edited by: JDMather on Nov 11, 2009 11:24 AM
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ljapsey
Posts: 638
Registered: ‎09-03-2006
Message 14 of 18 (567 Views)

Re: Loft to Curved Surface?

11-11-2009 08:35 AM in reply to: ljapsey
JD,

Thank You!

No, I don't have the autoproject on. I also have read the document. The part I was missing was...spliting the surface by the box, I understand why now. I've never had to use either 'split' nor 'loft' in over 3 yrs of working with Inventor. Sad, yes...but true. I'm still learning everyday. Thanks for you help!

Larry
Thanks, Larry
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JDMather
Posts: 28,262
Registered: ‎04-20-2006
Message 15 of 18 (567 Views)

Re: Loft to Curved Surface?

11-11-2009 08:43 AM in reply to: ljapsey
>No, I don't have the autoproject on. I also have read the document.

I would have constrained to the origin - not the sides of the previous extrusion feature. More robust technique if you have to go back and change things. (Particularly since you used a midpoint of projected geometry - that's living dangerously.)

How are you going to manufacture that geometry?
Please mark this response as "Accept as Solution" if it answers your question.
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ljapsey
Posts: 638
Registered: ‎09-03-2006
Message 16 of 18 (567 Views)

Re: Loft to Curved Surface?

11-11-2009 09:48 AM in reply to: ljapsey
JD,

This is in the concept design stage. If all goes correctly or if it's approved. A casting/mold will be created. That is awhile down the road though. Thanks again!


Larry
Thanks, Larry
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Contributor
tvernonbaker
Posts: 13
Registered: ‎01-08-2013
Message 17 of 18 (408 Views)

Re: Loft to Curved Surface?

01-08-2013 10:01 AM in reply to: JDMather

First, thank you. Your answer above was helpful.

 

I have a similar problem, except that I'd like to create a single loft to tangent curved surfaceS! Can you please help me?

 

I have two tangent, curved, surfaces (two tangent cylinders of different radii). Inventor shows a line where the curves intersect and treats the surfaces on either side of that line created by the split (following the steps you layed out above) as seperate surfaces. I can only select a single surface for the loft, when I would like to basically merge those surfaces.

 

Please see the attached part file. This is just an example for the sake of simplicity and doesn't follow any good design conventions, but it illustrates my problem. 

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JDMather
Posts: 28,262
Registered: ‎04-20-2006
Message 18 of 18 (405 Views)

Re: Loft to Curved Surface?

01-08-2013 10:15 AM in reply to: tvernonbaker

One example.

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