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Corrugated cartons - sheet metal mode?

MikeLockwood
21-Topaz I

Corrugated cartons - sheet metal mode?

We have a lot of areas that can be improved - new ones to look at each day.  If interested, please see attached. Example of a simple carton design.

- Designed some years ago in AutoCAD

- At some point exported to DXF, then imported to Creo; user chose to use Creo sheet metal mode but not really use it

- Haven't yet found the model of the carton folded up

- Drawing not showing clearly what is needed for corrugate mfg (Cuts, perforations, score lines for bends)

I'm looking for an example of how to optimally handle the mfg information for folded cartons.  Everyone must address this one way or another many times.  Note: Sheet metal doesn't really have the concept of either scores or perforations for bending like corrugated cartons do, so wondering how people address this.

Thanks in advance


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3 REPLIES 3

I use the simple method; "carton supplier, I need to box this thingy!" ...and they solve the issue.

But using sheetmetal for cardboard isn't a bad idea.

It follows many of the rules and has the same limitations in the corner reliefs.

Not sure how to use the Y/K factors but even that should be configurable.

Bend lines become score lines and the output is the DFX for the cutting die.

Progressive dies may require some different thinking.

Probably best to contact box makers. There are a number of areas where corrugated cardboard behaves so differently than metal.

Have you looked at Pepakura? Just kidding. Though it is really great for folded paper and tabbed designs,

There's a video - it looks like they just use AutoCAD.

Packaging Design Process | Custom Cardboard Boxes | GWP Packaging - YouTube

We use ArtiosCad for corrugated boxes (mainly 2D, with an option to 3D). This works fine, however I miss the link with a data management system like windchill.

I looked into possibilities for using Creo 2.0, but also stranded on sheet metal. I think the most important part missing in Creo is a library of standard boxes for which you can give up the inside dimensions. Furthermore, an EPS export is not useable for boxmakers when the box is made from 3D to 2D. The conversion of dimensions will not be 100% correct.

Kelvin

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