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    Active Member
    Hidayah
    Posts: 7
    Registered: ‎12-29-2011

    sheet metal corner joint

    452 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.

     

    Please use plain text.
    *Expert Elite*
    blair
    Posts: 2,256
    Registered: ‎11-13-2006

    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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    Active Member
    Hidayah
    Posts: 7
    Registered: ‎12-29-2011

    Re: sheet metal corner joint

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

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

    Please use plain text.
    *Expert Elite*
    Posts: 21,725
    Registered: ‎04-20-2006

    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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    Distinguished Contributor
    brendan.henderson
    Posts: 141
    Registered: ‎07-22-2009

    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
    CAD Manager/Product Development Manager

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    blair
    Posts: 2,256
    Registered: ‎11-13-2006

    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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    *Pro
    Posts: 1,835
    Registered: ‎09-15-2003

    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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    Distinguished Contributor
    BLHDrafting
    Posts: 182
    Registered: ‎10-12-2012

    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

    Regards,
    Brendan Henderson

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    *Expert Elite*
    Posts: 21,725
    Registered: ‎04-20-2006

    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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    *Pro
    Posts: 1,835
    Registered: ‎09-15-2003

    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

    Please click "Accept as Solution" if this response answers your question.
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