VGA anti-sag bracket
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An adjustable anti-sag bracket for graphics cards with screw holes on its' end.
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- Źródło
- Printables
- Kategoria
- Computers
- Licencja
- Creative Commons — Attribution — Noncommercial — NoDerivatives
This item can help for a heavier vga card to fight with the gravity over time, and protect it from potential sag which can eventually lead into failure of the card (worst scenario).
I created this tool as an extra safety for the expensive vga cards.
I designed this for a pc case which has an isolated PSU shroud. So the bottom of the bracket (adjuster screw) stands on the top of the shroud.
This bracket is compatible with cards only which has at least two screw holes (usually has three) on the front side of the card (pc case perspective).
The card should be in the motherboard's Primary PCIe x16 slot.
The thread is 8mm long, so the bracket can be adjustable between 0-6mm safely.
Parameters/requirements:
Min height: 124mm.
Max height: ~130mm.
Thread length: 8mm.
Screw hole depth: 6mm.
Screws: 2pcs M3 (length is up to you but at least 10mm is needed)
Usage:
1. Screw the adjuster screw completely into the bracket (depending on the quality of the print it might need to run-in the plastic thread first).
2. Orient the sunk screw holes toward the front of the pc case and mount the bracket to the card with the two 3mm screws, Do not over tighten the screws, a few Nm are enough.
2. Rotate the adjuster clockwise until it reaches the top of the PSU shroud and stops. Turns the adjuster counter-clockwise a little bit to allow the contact to be a loose fit. Do not lift up the card with the bracket! It is very important because adding an extra stress to the card by lifting it up can also cause damage to it over time. I take no responsibility for any damage caused by this bracket! It is the user's responsibility to use it properly or not use it.
Tip: A D10-12mm Self-adhesive rubber feet / non-slip pad or foam pad can be attached to the bottom of the screw adjuster which can act as a vibration absorber too.
Printing instructions:
- I used PETG for higher heat tolerance.
- I suggest to orient the threads upwards. Support is needed only in the screw holes this way.
- I used 4 perimeters.
- I used gyroid infill 15%
- I used 0.15mm layer height (balanced profile in prusaslicer) but I used variable layer height to increase it over 0.2 in the non-threaded zone. The thread should be accurate so the decreased layer height is more required there.