Joke question: what design flaw does this part contain?

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Batucada
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Joke question: what design flaw does this part contain?

Post by Batucada »

From the point of view that this part is to be machined out of a solid material, this construction contains a defect, because in two places the required manufacturing instruction cannot be adhered to. Who can find them?

It is nice that FreeCAD allows such an instruction.
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Bildschirmfoto 2022-08-11 um 15.04.04.png
Bildschirmfoto 2022-08-11 um 15.04.04.png (107.29 KiB) Viewed 782 times
But I have a construction problem: 2 sides were provided by me with rounded edges (fillet). With the other edges FreeCAD goes on strike with an error message: Failed to create fillet. Is there a solution?
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mfro
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Re: Joke question: what design flaw does this part contain?

Post by mfro »

If you think back chamfering is a problem, it's not (with the right tools):

phpBB [video]
Cheers,
Markus
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adrianinsaval
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Re: Joke question: what design flaw does this part contain?

Post by adrianinsaval »

Batucada wrote: Thu Aug 11, 2022 1:22 pm But I have a construction problem: 2 sides were provided by me with rounded edges (fillet). With the other edges FreeCAD goes on strike with an error message: Failed to create fillet. Is there a solution?
hard to know without looking at the file
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doia
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Re: Joke question: what design flaw does this part contain?

Post by doia »

not a machine guy, but inner corner chamfering will probably be rounded?
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FBXL5
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Re: Joke question: what design flaw does this part contain?

Post by FBXL5 »

There are tools to chamfer the far edge of a through-hole, if you have enough cash. :geek:
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doia
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Re: Joke question: what design flaw does this part contain?

Post by doia »

not the chamfer on the holes. I mean the inner corner of the "C" part. a milling drill would round the outer edge of the chamfer.
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Batucada
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Re: Joke question: what design flaw does this part contain?

Post by Batucada »

mfro wrote: Thu Aug 11, 2022 1:39 pm If you think back chamfering is a problem, it's not (with the right tools):
I also have such equipment in my private workshop :mrgreen: :mrgreen: :mrgreen:
Since I design and build special things exclusively for my private pleasure, I naturally have no means of such machining.

What I'm doing now in FreeCAD are only demos for practice, to become familiar in using FreeCAD. This simply involves trying out features. With the fillets, however, I have encountered a problem that I have not yet mastered.
Batucada
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Re: Joke question: what design flaw does this part contain?

Post by Batucada »

doia wrote: Thu Aug 11, 2022 2:22 pm not the chamfer on the holes. I mean the inner corner of the "C" part. a milling drill would round the outer edge of the chamfer.
This can be done manually with a metal file :mrgreen: :mrgreen: :mrgreen:
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dprojects
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Re: Joke question: what design flaw does this part contain?

Post by dprojects »

mfro wrote: Thu Aug 11, 2022 1:39 pm If you think back chamfering is a problem, it's not (with the right tools):

phpBB [video]
smart tool, I wanted to make two side counterbore drill bit but finally released the hole feature quicker ;-) I wasn't sure how to approach it ;-) but well someday I will back to it and maybe I will add the double-two-sides counterbore ;-)

Thanks
Darek
github.com/dprojects

workbench for woodworking is available at: github.com/dprojects/Woodworking
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doia
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Re: Joke question: what design flaw does this part contain?

Post by doia »

Batucada wrote: Thu Aug 11, 2022 2:28 pm This can be done manually with a metal file :mrgreen: :mrgreen: :mrgreen:
https://www.stupidedia.org/stupi/Iwan_Lokomofeilowitsch
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