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Registered: ‎12-29-2011
Post 1 of 10

sheet metal corner joint

1112 Views, 9 Replies
01-13-2013 05:43 PM

 

Dear All,

 

Can anyone help me on this?

 

How to joint this corner together for becoming 45degree corner shape?

 

See attachment and Inventor file.

 

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Post 2 of 10

Re: sheet metal corner joint

01-13-2013 06:06 PM in reply to: Hidayah

Expand the Hem command box and use the offset to create the hems. Then use the Corner command. I did a quick change to your base sketch to get the (sides) longer.

 

The sketch is completely unconstrained, not good modeling practices.

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Post 3 of 10

Re: sheet metal corner joint

01-13-2013 06:46 PM in reply to: blair

Thanks a lots for the help! :smileyvery-happy:

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Post 4 of 10

Re: sheet metal corner joint

01-14-2013 07:46 AM in reply to: Hidayah

I think you are doing too much work.

There is an easier way.

 

Corner - SheetMetal.png

 

First thing I noticed is that your Sketch1 is not constrained.

http://home.pct.edu/~jmather/AU2007/MA105-1L%20Mather.pdf

 

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Post 5 of 10

Re: sheet metal corner joint

01-14-2013 06:59 PM in reply to: JDMather

I always enjoy you solutions. Buggered if I know how you did it with only 2 features though! Mind sharing the secret JD?

Brendan Henderson
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Post 6 of 10

Re: sheet metal corner joint

01-14-2013 09:18 PM in reply to: brendan.henderson

here is a better one

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Post 7 of 10

Re: sheet metal corner joint

01-15-2013 04:36 AM in reply to: brendan.henderson

Here's one with the two features similar to JD's method (I presume).  This is done in 2013, so the OP (using 2010) won't be able to open it.

Sam B
Inventor 2012 Certified Professional

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Post 8 of 10

Re: sheet metal corner joint

01-15-2013 12:41 PM in reply to: sbixler

Sam and Blair, many thanks.

 

Good old CONTOUR FLANGE. Never new it could do that. Touchy in the order or operations and in the skecth geometry (had Bendradius*2 for HEM width but just had too keep trying to get it to work).

 

Maybe 1 for the developers but the cut in the FACE side of the part isn't needed for manufacturing this part. This only occurs when you have the CT as an extension to the extents of the FACE. If the FACE includes the length of the HEM then these extra cuts are not generated.

 

contour_flange.png

Brendan Henderson

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Post 9 of 10

Re: sheet metal corner joint

01-15-2013 12:51 PM in reply to: BLHDrafting

Unfortunately the OP had unconstrained sketches in the original post and only visits here about once a year and apparently didn't see the better solution.

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Post 10 of 10

Re: sheet metal corner joint

01-16-2013 04:47 AM in reply to: BLHDrafting

You're right about the unneccessary cut on the face.  This one eliminates that, but I'm not too pleased with the way it opened up the ends of the miters.  Oddly enough, the preview while creating or editing the Contour Flange feature looks much better than the finished product:Sheet Metal Corner 1.PNG

 

Sheet Metal Corner 2.PNG

 

The only way I found to make it look "right" is to choose Arc Weld for the corner relief shape.

Sam B
Inventor 2012 Certified Professional

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still waiting for a foreshortened radius dimensioning tool in Drawing Manager

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