chip breaker blues

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Forum topic by Karda posted 01-17-2021 03:18 AM 338 views 0 times favorited 10 replies Add to Favorites Watch
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2881 posts in 1560 days

01-17-2021 03:18 AM

hi, i have 3 Stanley planes and I can’t get the chip breaker to mate with the irons. i have ground and groung and even when I can see no light they still glog what am I

10 replies so far

View Loren's profile


11010 posts in 4655 days

#1 posted 01-17-2021 03:37 AM

Chips are jamming up between the chipbreaker and iron?

A chipbreaker can be tensioned by clamping it in a vise and hitting with a hammer to bend it a little for more pressure when on the plane. Don’t just go whacking it with a hammer based on what I say. Somebody here may be able to explain in more detail but I think I read of the method in Garret Hack’s book on planes.

That said, there’s some nuance to grinding the underside of a chipbreaker. I hone and polish the top side too, and wax it.

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8996 posts in 3584 days

#2 posted 01-17-2021 03:48 AM

View Karda's profile


2881 posts in 1560 days

#3 posted 01-17-2021 03:51 AM

thanks for the article I’ll check it out

View SMP's profile


3426 posts in 912 days

#4 posted 01-17-2021 04:16 AM

Richard does a better job than anyone I know explaining and showing you, much better than I can explain writing:

View bandit571's profile


27825 posts in 3690 days

#5 posted 01-17-2021 04:31 AM

Have seen some chipbreakers that are bowed where they meet the iron….either the middle bows up, or the ends do…simple matter of the ball end of a hammer to take the bow out…

Edge should be like a knife edge where it meets the flat back of the iron….even a little flex as the cb is locked down is ok…

What sometimes happens…is the edge looks more like a rod/roll….with a slight space right under the edge…and chips/shavings will hit that spot and stop…..and then more shavings will just push the front one under…but, when held up to look for a gap, none will show. until you look in from the front of the two parts…and see a slight “gap”...

-- A Planer? I'M the planer, this is what I use

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2881 posts in 1560 days

#6 posted 01-17-2021 05:43 AM

thanks, I’ll try again and again iyt seems not to end, the video was helpful

View corelz125's profile


2357 posts in 1983 days

#7 posted 01-17-2021 05:56 AM

Is the iron dead flat?

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2881 posts in 1560 days

#8 posted 01-17-2021 06:30 AM

I guess I did flatten the back. I’ll check

View OldBull's profile


334 posts in 302 days

#9 posted 01-17-2021 02:17 PM

I saw a video once that said to put the breaker very very close to the tip of the blade. After that it shoved crap between the blade and the breaker. I watched a Rob Cosman video in which he said he did not do that so I backed the breaker off the blade and out came thin curly shavings and the thing was much smoother, thank you Rob Cosman. I also had to learn the previous owner had the blade upside down, the blade and the breaker face each other.

View Karda's profile


2881 posts in 1560 days

#10 posted 01-17-2021 05:18 PM

thanks for the suggestion I’ll try the cossman trick

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