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Forum topic by Routerisstillmyname posted 1489 days ago 965 views 0 times favorited 5 replies Add to Favorites Watch
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Routerisstillmyname

697 posts in 2136 days


1489 days ago

Few months back, I had set my jointer to what I consider perfect NO SNIPE
whatsoever Cuts.( those that know my obsession with 0.0001 calibration ) will know what I mean.
Now getting ready to do a serious project and I ran a board and oh my, choppy” surface on the wood.
I tossed out the old blades and slapped a new set in there and spend the last 3 hours getting it back to NO SNIPE condition but the choppy surface is still there even on different types of wood.
The only thing I can guess is this freaking heat must have somehow affected the belt or something?

-- Router è ancora il mio nome.


5 replies so far

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knotscott

5419 posts in 2003 days


#1 posted 1489 days ago

Not sure if scalloping is what you’re getting, but any cuts made using straight blades on a rotating cutterhead like on a jointer or planer are prone to some scalloping by nature of the rotation of the blades. Speed is a big contributor, but depth of cut, blade alignment, the material itself, and blade sharpness are also factors. I don’t consider a surface from a jointer or planer to be finish ready without some help. A hand plane or sander generally take care of it easily.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View John Ormsby's profile

John Ormsby

1278 posts in 2364 days


#2 posted 1489 days ago

Jointers can snipe if the outfeed table is set too low to the blade. Scalloping normally occurs with the knives not being properly aligned.

-- Oldworld, Fair Oaks, Ca

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TomHintz

207 posts in 2025 days


#3 posted 1489 days ago

Most often the series of ridges seems to come from either moving the wood too fast or having one knife a tick higher than the others. If you could measure the depth of the ridges you’d see how little the one knife has to be out to do that.
I have a story at the link below that looks at common jointer problems and the most common fixes. That snipe deal is in there and is genreally from the outfeed table being lower than the top of the knife arc.

Jointer Problems & Fixes Story

-- Tom Hintz, www.newwoodworker.com

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Routerisstillmyname

697 posts in 2136 days


#4 posted 1489 days ago

You nailed it Tom, Think Before Adjusting….......

-- Router è ancora il mio nome.

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fussy

980 posts in 1678 days


#5 posted 1488 days ago

Knott Scot and Boardsmith have it right. Slow down. Neither a jointer NOR a planer will give you a finish-ready surface. Some planers will come close, but you’re looking for too much precision from wood, and you’re looking for it too early in the stock preparation process.

Steve

-- Steve in KY. 44 years so far with my lovely bride. Think I'll keep her.

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