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Delta Joiner not co-planer????

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Forum topic by stripit posted 03-18-2015 09:14 PM 511 views 0 times favorited 4 replies Add to Favorites Watch
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stripit

19 posts in 1509 days


03-18-2015 09:14 PM

Hi; you have helped me out before (with almost this same problem). I have a 1940’s Delta Milwaukee 6” joiner, the tables are coplaner when I put a good stright edge on them, but when I try to join an edge I get one maybe tow cuts then I see the back end of the board gong up.
The last time I had a problem the the tables were out, and we shimmed the back table and everything was fine. Now I’m cutting tapers again. I had the knifes sharppened, and put them back in without moving the back table. things worked fine for three or four projects, then went bad.
Any thoughts on this would be most welcome.

Thanks Joel


4 replies so far

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MrUnix

4234 posts in 1664 days


#1 posted 03-18-2015 09:17 PM

Reset your knives. When you put in fresh or newly sharpened knives, they are fine… but after a fairly short period of time, the thin leading edge will wear back a bit.. it only takes a couple thousandths.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Ghidrah

667 posts in 688 days


#2 posted 03-18-2015 09:24 PM

If the trailing end of your board is sniping then check your out feed bed with a straight edge over the knives while hand rotating. You may have one or more knives set too high. If all 3 raise the bed, if 2 raise the low 1, if one is high readjust it.

-- I meant to do that!

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stripit

19 posts in 1509 days


#3 posted 03-19-2015 12:03 AM

Hi. Thanks to both of you, I reset the knifes and that did the trick.
Thanks again. LJ is a wonderful source, now I need to make more sawdust.
Joel

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Ghidrah

667 posts in 688 days


#4 posted 03-19-2015 01:16 AM

One thing I forgot to add, after about 20 mins or so or some deep removal (3/32-1/8”) recheck alignment and all screws to ensure they didn’t move or loosen.

-- I meant to do that!

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