Kerfmaker gone awry

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Forum topic by Dan Corbin posted 08-12-2012 10:50 PM 1324 views 0 times favorited 2 replies Add to Favorites Watch
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Dan Corbin

57 posts in 2157 days

08-12-2012 10:50 PM

Topic tags/keywords: jig question tablesaw kerfmaker

Hi all.

I was playing around with my new kerfmaker this evening and was having trouble making it work right (the dado cuts came out consistently too small). Now, the function of the tool is nearly idiot-proof, so I suspect that the cheap portable table saw I’m borrowing is the culprit. The guide that comes with the table saw (the one that fits into the grooves on either side of the blade) is extremely loose in the slot. I seriously doubt that the blade has been aligned with the fence, either, but I dont think that’d have much to do with it since I wasn’t using the fence.

Since I’m only borrowing the table saw and can’t make any modifications to it, what can I do to increase the quality of my dado cuts on this saw? I’m trying to make a bookshelf with lap joints and would really really like to have it as close as I can.

Thanks in advance for your help!

-- ~ Dan, North Carolina,

2 replies so far

View chrisstef's profile


17380 posts in 3001 days

#1 posted 08-12-2012 10:59 PM

You can use a marking gauge to set the distance of your lap joint and sneak up on it with the dado blade. Its nto a prefect fix but it should get ya darn close. Keep the setting of the gauge for each board and as long as they are cut square they should be identical from board to board.

-- Its not a crack, its a casting imperfection.

View cutmantom's profile


405 posts in 3029 days

#2 posted 09-03-2012 05:20 PM

when making your cuts maintain a light side pressure, this will effectively cancel out the play in your miter gauge

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