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HEPA Air Scrubber Chamber gasket and mount (Add ons)

by mettauk, published

HEPA Air Scrubber Chamber gasket and mount (Add ons) by mettauk 4 days ago
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Summary

Add ons for the air cleaner.

Gasket
The gasket seems essential because dirty air drawn through the HEPA filter can flow along above the top of any activated carbon in the chamber. To prevent this I added a gasket with a small flap which can be pushed past the lip of the frame down into the carbon chamber to stop air simply passing straight through. This should help force the are through the Activated Carbon Charcoal to remove smells etc.
Printed in TPU

Support bracket
Strengthened and widened the support bracket as the complete filter unit weighs around 750g - nearly 2lb.
Printed in PLA but may benefit from PETG or ABS if your enclosure temperatures go high!

All other parts are as revised/designed by jmillerfo

The Rooba HEPA filters are relativly cheap - see Amazon... https://www.amazon.co.uk/Filter-Cleaner-YTJ-Replacement-Filters/dp/B01JVP2OBM/ref=sr_1_22?ie=UTF8&qid=1510709252&sr=8-22&keywords=roomba+hepa+filter

Full assembly instructions https://www.thingiverse.com/thing:2394452

Print Settings

Printer Brand:

Wanhao

Printer:

Wanhao Duplicator i3 V2

Rafts:

No

Resolution:

0.2

Infill:

15 - 20%


Notes:

TPU or other soft rubber for gasket

Body and support in PLA for below 45-50°c. if going higher use ABS or PETG.

No supports needed except for Filter_To_Motor.stl.

Post-Printing

Glue the Chamber and the Filter_To_Motor components together. Fit a strong fan, HEPA filter, Activated charcoal and fit to wall of cabinet. Fan requires a regulator (Approx 2 amp) to reduce speed and noise.

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