Inventor General Discussion

Inventor General Discussion

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Deathmetal34
Posts: 5
Registered: ‎04-10-2013
Message 1 of 7 (2,540 Views)

Joining two lines (Straight and fillet) in Inventor 2013

2540 Views, 6 Replies
04-16-2013 02:03 AM

I have searched the discussion groep and have not came up with any usefull information.

 

I have an inside web plate sketch that i want to offset but my offset does only do one line at a time.

 

So my problem basicly is that I want it to do the whole sketch in one click. Is it possible to join all the lines? or is there another function that I do not know of that will do this for me.

 

Please help thank you

 

Attached is photos of the problem I have

 

1 picture - How do I join these lines

2 picture - How the whole sketch looks

3 picture - The offset does only do one line at a time (i want it to do the whole sketch)

Valued Contributor
machiel.veldkamp
Posts: 59
Registered: ‎11-08-2011
Message 2 of 7 (2,539 Views)

Re: Joining two lines (Straight and fillet) in Inventor 2013

04-16-2013 02:07 AM in reply to: Deathmetal34

The trick is to NOT use fillets in sketches. I can imagine you know why.

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Deathmetal34
Posts: 5
Registered: ‎04-10-2013
Message 3 of 7 (2,524 Views)

Re: Joining two lines (Straight and fillet) in Inventor 2013

04-16-2013 02:28 AM in reply to: machiel.veldkamp

Thanks but the response is not helpful.

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machiel.veldkamp
Posts: 59
Registered: ‎11-08-2011
Message 4 of 7 (2,522 Views)

Re: Joining two lines (Straight and fillet) in Inventor 2013

04-16-2013 02:31 AM in reply to: Deathmetal34

Do you run Inventor 2012? If so you can upload your model and I could take a look. 
Edit: Oops didn't the Title good enough. 

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sbixler
Posts: 1,968
Registered: ‎09-15-2003
Message 5 of 7 (2,494 Views)

Re: Joining two lines (Straight and fillet) in Inventor 2013

04-16-2013 03:56 AM in reply to: Deathmetal34

Where are the dimensions on your sketches?  When you sketch in Inventor you automatically get connections between adjacent elements (coincident constraints).  When you import from AutoCAD, you have an option to create those coincident constraints, but it's not checked by default.  I see in your first image that your sketch is fully constrained, yet the endpoints are not coincident and I don't see any evidence of dimensions.  How did you produce this sketch?  I strongly recommend that you go over this document in detail, then try your part again: http://home.pct.edu/~jmather/SkillsUSA%20University.pdf 

 

All that aside, you are correct that Inventor should perform the offset on the whole connected path, which it will do if the whole path is connected.

 

If you go through the above document and get stuck again, post your file here and someone will point you in the right direction.

Sam B
Inventor 2012 Certified Professional

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swhite
Posts: 531
Registered: ‎11-08-2012
Message 6 of 7 (2,456 Views)

Re: Joining two lines (Straight and fillet) in Inventor 2013

04-16-2013 06:12 AM in reply to: Deathmetal34

If your sketch makes a closed shape you can right click on a line and select close loop, then select all the lines around. This will make the lines a single line entity for your offset. 

 

When you first select offset, right-click a line and make sure your Loop Select option is selected, I believe this is your main problem with only one line being selected.

Steven White
Lee C. Moore, Inc.
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Curtis_Waguespack
Posts: 3,002
Registered: ‎03-08-2006
Message 7 of 7 (2,422 Views)

Re: Joining two lines (Straight and fillet) in Inventor 2013

04-16-2013 07:45 AM in reply to: Deathmetal34

Hi Deathmetal34,

 

Attached is an alternative method that you might consider. It uses more of a 3D solid modeling approach and steps away from the more 2D sketched based approach. The key is to keep the base sketches as simple as possible. I would encourage you to think about your Inventor designs in this way, as I think you'll find Inventor (or Solidworks or Pro-E, etc.) much more accommodating.

 

More on simple sketches:

http://inventortrenches.blogspot.com/2011/03/inventor-101-simple-fully-constrained.html

 

However, if you feel you must create the entire profile in a 2D sketch, I would encourage you to reserve the fillets and offsets for the 3D tools as was previously suggested and simply create your "zig-zag" as an extruded surface to start with, then place the 3D fillets on the extuded surface feature, then use the 3D Thicken/Offset tool to create the solid.

 

I hope this helps.
Best of luck to you in all of your Inventor pursuits,
Curtis
http://inventortrenches.blogspot.com



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