Splined miter joint

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Forum topic by JackR posted 10-11-2010 09:48 PM 1305 views 0 times favorited 3 replies Add to Favorites Watch
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6 posts in 2469 days

10-11-2010 09:48 PM


I’m building a case for a grandfathers clock. The door frame on the bonnet calls for a splined miter joint. I’ve struggled through making some pretty good 45 degree cuts for the door frame pieces, and cut the kerfs for the spline, now I have to cut the splines. The splines are about 2.75” x .125”, so I raised the blade of my TS up to 3”, moved the fence in tight, and proceeded to feed a piece of .75” x 3” X 18” clear pine thru, sitting on the 3”side.

Well, oh my god, my Hitachi C10FL was choking on it, and the wood was smoking, and eventually the safety breaker blew. Can someone enlighten me with the correct way to cut splines?

Thanks a bunch.


3 replies so far

View cabmaker's profile


1471 posts in 2227 days

#1 posted 10-11-2010 10:40 PM

I do it on a tablesaw as you describe or more frequently will use a spline slotter on a router. You may need to drop your blade and make two passes. Good luck JB

View BertFlores58's profile


1684 posts in 2340 days

#2 posted 10-11-2010 11:33 PM

Just ensure that it has correct allignment. It might be the cause why it stick. If the door was not heavy and the motor of the ts is strong say 4-5 hp then it should have been thrown away… Careful on this. Why not saw first manually to give reccess, this is not a job that you will do for a repeated job. If I were you I do ir manually. Careful.

-- Bert

View BertFlores58's profile


1684 posts in 2340 days

#3 posted 10-11-2010 11:37 PM

By the way, I use files to make the final kerf.

-- Bert

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