Reply by JohnDon

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Posted on Router Table Dust Collection

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66 posts in 1098 days

#1 posted 05-12-2016 02:48 AM

One thing to consider is air flow through the router. To my knowledge, most routers pull air in through the top end (the bottom end when mounted in a table), and exhaust through the bottom (closest to the bit). I assume this is in large part to keep dust out of the motor and router interior.

I recall- but can’t locate- a plan where the mounted router is surrounded by a box. The air inlet is a 4” hole at the bottom of the box, and connected to the router air intake vents at the top/bottom by a short section of flexible DC hose, which will press fit over many router housings. The air outlet was at one side of the box, near the bottom.

When I ever get around to building a bottom collection, I plan to do that. It makes sense, because it can only help to increase air circulation through the router, helping it stay cooler, as well as helping keep dust out of the router. The router is particularly vulnerable to dust buildup when mounted upside down.

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