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need help

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Message 1 of 11
dho
Enthusiast
343 Views, 10 Replies

need help

in autocad mechanical, i used hatch to verify the attached profile is closed. when i insert into inventor, i could not revolve it. even i changed it to a pline, i still could not revolve it.

in inventor, i drew a circle, i can revolve it. a rec (use rec command), i can, if i draw a four line closed rec shape, i could not revolve it.

inventor just would not recognize the profile.

what i did wrong?

thanks.

10 REPLIES 10
Message 2 of 11
admaiora
in reply to: dho

Can you attach your file here?

 

Inventor isn't like Autocad and constraints are quite important.

Admaiora
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Message 3 of 11
wimann
in reply to: dho

I successfully revolved your shape. I'm not sure how you're trying to bring it into inventor but all I did was:

 

Open file in CAD

Window Select all lines

Ctrl+C

Start new .ipt in Inventor

Create Sketch on XZ Plane

Ctrl+V, select location

Revolve

 

And it worked.

-Will Mann

Inventor Professional 2020
Vault Professional 2020
AutoCAD Mechanical 2020
Message 4 of 11
JDMather
in reply to: dho

Revolves here just fine.

I suspect you did not have Inventor set to Constrain Endpoints to create Coincident constraints on Import.

 

Constrain Endpoints.PNG  Sometimes it is best to leave the Apply Geometry Constraints turned off.

 

Show All Constraints on your sketch that won't revolve.

What do you see?


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Message 5 of 11
dho
Enthusiast
in reply to: wimann

i used scatch ribbon manu "insert", "cad".

i followed your way, it worked. but i do not know how to pick an exact insertion point.

in my above way, the cad 0,0 automatically matches inv 0,0,0.

thanks.

Message 6 of 11
mcgyvr
in reply to: JDMather

JD beat me to it.. I'd bet thats your problem.. 



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Message 7 of 11
mcgyvr
in reply to: dho


@dho wrote:

i used scatch ribbon manu "insert", "cad".

i followed your way, it worked. but i do not know how to pick an exact insertion point.

in my above way, the cad 0,0 automatically matches inv 0,0,0.

thanks.


yes it keeps the same origin from autocad.. If you want it at a specific place either move the sketch or change it in acad then reimport. 



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Inventor 2023 - Dell Precision 5570

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Message 8 of 11
wimann
in reply to: dho

Yeah the other approaches are the more formal and proper way to do it. Mine is just a quick work around. I don't have to import from cad all that often and when I do, I can usually get around not being constrained to the origin. Or, if I really needed to, I could apply a couple of driven constraints and move the solid back to the origin myself.

-Will Mann

Inventor Professional 2020
Vault Professional 2020
AutoCAD Mechanical 2020
Message 9 of 11
dho
Enthusiast
in reply to: JDMather

i turned on constrain end points, it worked. 

thanks a lot.

Message 10 of 11
JDMather
in reply to: dho


@dho wrote:

i used scatch ribbon manu "insert", "cad".

i followed your way, it worked. but i do not know how to pick an exact insertion point.

...


When you Import directly into an active sketch - you still have the Option to Constrain End Points.
The easiest way to move (if you don't first move in AutoCAD) is to convert the sketch geometry to a Sketch Block.

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Message 11 of 11
dho
Enthusiast
in reply to: JDMather

thanks to all.

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