奥迪奥技术卡 ATH-M40x 连轴器

Audio Technica ATH-M40x Hinge

2024-03-23 10:31:42

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Summary

This is a remix of mikuslaw's model for the hinge. With the original model, I wasn't able to put the wire through the channel, even after trying to clean it. To mitigate that, I made a hole along the length of the channel, except for the first and last few millimeters of it. This exposes most of the channel, making it easier to insert the wires.

Everything else is the same as the original model.

The model is for the right side, but the printed part in the photos is for the left side. If you need the part for the left side, mirror it by the X axis (not by both X and Y, as was stated in the original model).

So far, the part seems like it would hold up well. As of time of writing, I've been using the headphones like this for about 10 days and they feel like new.

During assembly, it felt like the hinge was way tighter than the original. This was way less noticeable once they were completely assembled, but if I pay attention, I find it obvious that the 3D printed hinge is tighter and squeakier than the original. I don't notice this during regular use, so I don't really care, but I suspect that shrinking the top part of the model (either via software or by sanding it down) may fix the issue. Also, using lubricant on it might help.

Please also see the summary and comments on the original model by mikuslaw.

Print Settings

Printer brand:
Creality
Printer:
Ender 3
Rafts:
Doesn't Matter
Supports:
Yes
Resolution:
0.10mm
Infill:
100%
Filament brand:
RE3D
Filament color:
Black
Filament material:
PLA
Notes:
Printed standing as shown in the Cura screenshot. Supports were set to "Touching buildplate".

Post-Printing

I used some metal files to mainly round out the spots that were contacting the supports. This was required to make hinge fit the earcup part of the headphones.

How I Designed This

I imported the original STL file in FreeCAD and created a plane such that the channel path was roughly lying on that plane. On that plane I drew two curves that went roughly along the channel, connected them with two lines, extruded the sketch and subtracted the resulting solid from the model.

奥迪奥技术卡 ATH-M40x 连轴器