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Counterbore holes to attach medaillon #1

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gyscos opened this issue Oct 10, 2024 · 1 comment
Open

Counterbore holes to attach medaillon #1

gyscos opened this issue Oct 10, 2024 · 1 comment

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@gyscos
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gyscos commented Oct 10, 2024

Hi, and thanks for this design!

The side pieces have holes to screw into the medaillon, but these holes are not counterbored. As a result, the screws there protrude inside the chamber.

There should be enough thickness in the plate to accommodate this?

The other screw holes around the corners are already counterbored.

Here's my poor attempt at fixing it from the step file:
Screenshot From 2024-10-10 12-47-31
On the top-right, the hole I counterbore (not the fancy voron-style bridged hole counterbore yet). The other 2 are shown still in the current configuration.
With a 3mm-deep hole, there is still 4mm left for the screw to hold, so it should be fine?
Screenshot From 2024-10-10 12-56-28

@gyscos
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gyscos commented Oct 11, 2024

If anyone is interested, I added the counterbores in onshape: onshape link. It's currently only done for the 350mm version, but should be easy to port to the others.

I'm not familiar with how the bridged screw holes are usually measured - should I keep 3mm for the head above the top bridge, or including both bridges?

Screenshot From 2024-10-11 18-33-50

I'm not a fusion-360 guru though so not sure I could make a PR to fix the f3z file.

Here's a closup of the printed hole (it's the first time I use this kind of bridged hole, hope it's fine):
20241015_125034 heic

And here it is with screws installed, compared to the stock part:
20241015_124838 heic

I'm using M3x8 there instead of M3x10.

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