Printable Passive Dust Shoe for CNC Router (Low Noise)
Description
Some essential uploaded parts of the [original design](https://www.thingiverse.com/thing:3915172) by Neds3D were corrupted and so not printable. Because it was not possible to get support or help by the designer I had to make these parts new by myself from scratch. The Spindle_Prop_V3.stl was adopted unchanged and attached here for completeness reasons only.<br> During this process I modified these parts to make them printable with less support, to make them more stable after print, to adapt them to my requirements and to make some improvements.<br> Because the hexagonal profile on my spindles axis was shorter than Neds3D's it was completely covered by the impeller. <br> [](https://up.picr.de/38581888jw.jpg)<br> Now it is possible to lock the spindels rotor on tool change. Therefore are slotted versions of the spindle cup mount housing and a slim customized wrench from MBCook available.<br> [](https://up.picr.de/38581891ya.jpg)[](https://up.picr.de/38581892np.jpg). Additionally I modified the impeller with a thread and a wider hole to fit to my special spindle. It is named "Spindle_Prop_V4"<br> I had an additional special problem. The housing can't be shifted high enough because it collides with the spindle mount. So I had to made cutted versions of the housing to gain 10mm in height.<br> [](https://up.picr.de/38581906aw.jpg)[](https://up.picr.de/38581921sw.jpg)<br> To prevent a collision of the workpiece it is highly recommended to use the short version of the bayonet_cap if the cutted version of the housing is used. This gains additional 10mm in height.<br><br> The air outlet is designed to be used with a standard vacuum cleaner hose with bajonet clamp.<br> [](https://up.picr.de/38581893im.jpg)<br> For the bristles I used the [Custom dust shoe bristles by gadgetmind](https://www.thingiverse.com/thing:2847676)<br><br> With the cutted and slotted version of the housing an a short bayonet cap the airspeed at 24000rpm is about 16,4m/s which corresponds to an airflow of about 25l/s or 1.5m³/min through the 44mm opening.<br> [](https://up.picr.de/38581910av.jpg) See how it works:<br> [](https://www.youtube.com/watch?v=SSg5nvY3sLg)
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