LumberJocks

Odds 'N' Ends #7: Micro-Tapering on the Jointer

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Blog entry by ThomasLightle posted 03-14-2016 08:09 PM 956 reads 0 times favorited 4 comments Add to Favorites Watch
« Part 6: Magnetic Forstner Bit Storage Part 7 of Odds 'N' Ends series Part 8: Antique Frame Saw Restoration »

I call any taper that cannot be accurately cut on the table saw a micro taper. Usually anything under 1 degree. The taper I needed to cut was 0.2 degrees, so the only tool for the job was the jointer. The process was pretty simple. I needed to taper 1/16” over an 18-inch length. I made a 1/16” spacer and raised my jointer to a 1/16” cut. I placed one end of the panel on the spacer and ran the panel through the jointer. As the front edge of the panel hits the knives, the jointer is making the full 1/16” cut. The cut becomes shallower and shallower as the back corner – supported by the spacer – approaches the jointer blade. Once the first pass is complete, the taper is set and subsequent jointing can take place without the spacer. I hope this little tip helps those of you out there when trying to precision-fit your panels!


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-- Thom



4 comments so far

View pumperdude's profile

pumperdude

24 posts in 1479 days


#1 posted 03-15-2016 12:34 AM

I think you over thought this one. 1)Set the jointer@1/16th.2) Start with the rear edge just elevated on the outfeed table and run it through. Same result, in reverse and not having to hold the spacer in there. As the front edge crosses the knives, it will be taking a full 1/16th off. Maybe I am missing something.

View ThomasLightle's profile

ThomasLightle

56 posts in 355 days


#2 posted 03-15-2016 02:13 AM

@pumperdude just curious if you ever done it that way before? I would think it would be difficult to control the taper by going backwards, as well as the risks of running material backward through the jointer.

-- Thom

View CharlesA's profile

CharlesA

3019 posts in 1258 days


#3 posted 03-15-2016 03:01 AM

I think this is why God gave us hand planes.

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

View pumperdude's profile

pumperdude

24 posts in 1479 days


#4 posted 03-15-2016 09:21 PM

Not going backwards. Still feeding against the knives. Try it. works every time…Roger on the hand plane.

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