by Luke Davenport
Greetings,
I had to share this one with you guys, as it would have saved me a heck of a lot of time in a previous life! Huge credit to Vladimir Ananyev from DevTech for writing some code to allow boundary cropping for feature patterns. I’ve just been having a play around with this and have recorded a quick video (below) show you what it can do. Make sure you check out the Mod the Machine blog here: (Credit again to Wayne at Mod the Machine for the excellent blog) it contains all of the iLogic code and a sample part containing the code that you can download. The Inventor community works! Enjoy.
Comments from our old site
30 May 2013 05:15
Nice topic Luke. I make a few perforated screens and this would be useful. Would you suggest copying my Sheetmetal template to a new template and adding this iLogic to that template, or could it be made as an external rule? I'm relatively new to iLogic so am unsure how to tackle this.
30 May 2013 11:47
Hi Brendan,
The iLogic code as it stands is quite specific in terms of what it will work with and what it won’t. It will only work with the FIRST rectangular pattern in the part (doesn’t matter what it is called), a 2D sketch that has to be called ‘Boundary’, and the FIRST hole feature in the part. If you want to move away from this (for instance to boundary pattern an extrusion etc) then the code would need modifications. For these reasons putting the code in an external rule will probably cause confusion, as you’ll run it by accident in parts that don’t meet the criteria above and you’ll get errors. I’d probably suggest just creating a ‘Perforated Screen’ template with a plain sheet, hole feature, rectangular pattern, boundary sketch all present, then you can just save it off and modify as required.
Enjoying your blog by the way.
The iLogic code as it stands is quite specific in terms of what it will work with and what it won’t. It will only work with the FIRST rectangular pattern in the part (doesn’t matter what it is called), a 2D sketch that has to be called ‘Boundary’, and the FIRST hole feature in the part. If you want to move away from this (for instance to boundary pattern an extrusion etc) then the code would need modifications. For these reasons putting the code in an external rule will probably cause confusion, as you’ll run it by accident in parts that don’t meet the criteria above and you’ll get errors. I’d probably suggest just creating a ‘Perforated Screen’ template with a plain sheet, hole feature, rectangular pattern, boundary sketch all present, then you can just save it off and modify as required.
Enjoying your blog by the way.
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