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Avoiding snipe with chamfer bit on router table

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Forum topic by CanisLupus posted 03-17-2019 05:24 PM 339 views 0 times favorited 2 replies Add to Favorites Watch
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CanisLupus

6 posts in 959 days


03-17-2019 05:24 PM

Topic tags/keywords: router chamfer snipe fence

I recently picked up a Freud 22-1/2 degree chamfer bit (40-101) for my router. After setting up the bit and making the necessary adjustments, I find that snipe is a problem. Sometimes it’s not a problem but mostly it is.

I’m using a fence on the router table. Using a long steel straight edge, I aligned the in-feed, out-feed, and bearing of the bit. I was careful to ensure the bearing does not protrude beyond the fence, even the slightest amount.

Initially, I thought the work piece might be riding the bearing and the snipe was occurring as the piece transitioned from the in-feed fence and bearing to bearing and out-feed. After checking my fence with a long straight edge and setup square, I concluded the problem is likely not the fence being misalignment, warped, or defective. The fence is as straight and square as I can measure.

The chamfer is being cut on 3/4” select pine stock and I want to apply the chamfer to the full edge (full thickness). In tried adjusting the fence outward as to prevent any contact between the bearing and the piece.

Any suggestions how I can prevent this?


2 replies so far

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AlaskaGuy

5339 posts in 2793 days


#1 posted 03-17-2019 05:44 PM

Removed by someone

-- Alaskan's for Global warming!

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CanisLupus

6 posts in 959 days


#2 posted 03-18-2019 12:31 AM

Documenting my solution for future self and anyone else that may come across this problem.

The issue turned out to be the height of the bit. Remember, I wanted the chamfer across the full edge thickness. When I initially setup the bit, I was using scrap 7/8” – 1” cedar and set the BOTTOM of the bit slightly below the table. When I switched to the 3/4” pine, the bit height remained unchanged. The top of the work piece was well below the bottom of the top bearing. After I lowered the bit so the bottom of the top bearing was only slightly above the top of the work piece, the snipe problem disappeared.

The fence remained unchanged.

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