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Slightly worn planer knives

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Forum topic by RipFence posted 04-04-2015 07:28 PM 888 views 0 times favorited 9 replies Add to Favorites Watch
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RipFence

48 posts in 2158 days


04-04-2015 07:28 PM

Hello All:
Thought some of you might get a kick out of seeing the knives that came out of a used planer I just bought. Ends are touching, middle is, well, not touching. It might cut better after I get these sharpened and properly set.
Cheers,
Jim


9 replies so far

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TheFridge

5765 posts in 951 days


#1 posted 04-04-2015 07:30 PM

The first planet I got had knives line that.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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bigblockyeti

3668 posts in 1186 days


#2 posted 04-04-2015 08:24 PM

I’m not sure you could make good knives look that bad after flying out of the cutterhead and sticking in the nearest wall!

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WillliamMSP

747 posts in 1069 days


#3 posted 04-04-2015 08:59 PM

Those are just, uh, wide moulding knives… ;)

-- Practice makes less sucky. (Bill, Minneapolis, MN)

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bigblockyeti

3668 posts in 1186 days


#4 posted 04-04-2015 10:25 PM

Another thought; So much will have to be ground off to true and sharpen them, it could be cost prohibitive and or leave too little of the blade to be usable.

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MrUnix

4230 posts in 1664 days


#5 posted 04-04-2015 10:27 PM

I’ve found similar knives in a planer before, and have been able to straighten them out when installing in the cutter head. Start in the middle and work your way out towards the ends.

Cheers,
Brad

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

View gfadvm's profile

gfadvm

14940 posts in 2155 days


#6 posted 04-05-2015 12:28 AM

This wear pattern is a good reason to try to feed narrower stock where you are using all the blades and not just the central portion.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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RipFence

48 posts in 2158 days


#7 posted 04-05-2015 12:51 AM

Thanks! I’m sorta looking for justification to switch it to a Byrd head anyway.
Cheers,
Jim


Another thought; So much will have to be ground off to true and sharpen them, it could be cost prohibitive and or leave too little of the blade to be usable.

- bigblockyeti


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bigblockyeti

3668 posts in 1186 days


#8 posted 04-05-2015 03:50 AM

Those look pretty long (20”?), I’m guessing a Shelix head that length would cost a pretty penny.

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RipFence

48 posts in 2158 days


#9 posted 04-05-2015 01:49 PM

Sharp eye! Yep, its a 20” Powermatic 209. Those heads are interchangeable with Griz, Jet, etc so Grizzly sells em for $875.
I paid $950 for the planer, delivered to my garage. Its in excellent shape other than the knives so I think it’ll end up being a decent deal. In fact, it looks so good I was assuming that those would be the original set of knives but the writing on them indicates they have been sharpened at least once. The previous owner had a regular job and tried to run a cabinet shop after hours. He gave up after a couple of years. Given that the knives are so trashed the bearings may be a bit beat up too but I plan to change those when I switch the head anyway.
Cheers,
Jim


Those look pretty long (20”?), I m guessing a Shelix head that length would cost a pretty penny.

- bigblockyeti


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