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Clean Room Inlet Fan/Filter

by LucidOne, published

Clean Room Inlet Fan/Filter by LucidOne Feb 13, 2010

Description

This is Thing-a-Week #5, previous things can be found here. iheartrobotics.com/search/label/thing-a-week

Currently this is untested and experimental due to the holiday weekend and since it is still printing.

These parts are used to build a positive pressure glove box style clean room.
The goal is to produce somewhere around a Class 10,000 cleanroom environment in a small space that is useful for taking things like hard drives, cameras and lasers apart.

The current design uses a shopvac air filter part #VF3500, but part #VF6000 is probably preferred.
ridgid.com/Tools/Vac-Filters/EN/index.htm

Based on initial estimates the RadioShack Cooling Fan part #273-0241 should provide reasonable performance when matched with the air filter, however testing has not yet been completed.

Connecting rods are cut from 6061-T6 Round Aluminum tubing, and tapped M4.
OD 0.25" Wall Thickness 0.065"
onlinemetals.com/merchant.cfm?pid=6844&step=4&showunits=inches&id=71&top_cat=60

The open endcap connects to the fan using M3 countersunk screws and nuts.

The design may require caulk or gaskets to function properly.

Recent Comments

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Dude this is brilliant! If you use HEPA filters with this, it could be used to make a biology-grade sterile laminar flow hood!
Well documented. I love how both common and specialist items have their space in the Thingiverse. You certainly can't find these in the convenience store at the corner!

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Instructions

Print and assemble according to the exploded view diagram.
Cut and tap connecting rods to length. Use a file to trim the length of the rods to ensure a tight fit.

NEW INSTRUCTIONS HERE
iheartrobotics.com/2010/02/this-new-lab-diy-cleanroom.html
Dude this is brilliant! If you use HEPA filters with this, it could be used to make a biology-grade sterile laminar flow hood!
Well documented. I love how both common and specialist items have their space in the Thingiverse. You certainly can't find these in the convenience store at the corner!
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