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Forum topic by cj5 posted 02-29-2016 02:02 AM 569 views 0 times favorited 7 replies Add to Favorites Watch
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cj5

9 posts in 659 days


02-29-2016 02:02 AM

Topic tags/keywords: question

I have recently found an old plane ( Sargent 424 ) at the right price. Really good shape, just needed cleaning,but the blade is original. My question is: at what point does one decide that the blade needs replacing?
Have been searching the forums but cannot find an answer to that one.

Any advice would be appreciated.


7 replies so far

View bbasiaga's profile

bbasiaga

757 posts in 1460 days


#1 posted 02-29-2016 02:14 AM

I think the main factor is how long it is. If it has been sharpened down enough times that you can’t get it to fit the plane you need a new one.

Aside from that, if it is not rusted to the point where you can’t get it flat anymore, you can just clean it up sharpen it and go. The next problem you might run in to is someone having tried to grind it in the past who overheated it and ruined the temper. It would likely get sharp really easy, but then dull very quickly.

-Brian

-- Part of engineering is to know when to put your calculator down and pick up your tools.

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BurlyBob

3688 posts in 1730 days


#2 posted 02-29-2016 04:50 AM

Everything Brian said !!

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cj5

9 posts in 659 days


#3 posted 02-29-2016 02:01 PM

Thank you for replies. I had to work off about 1/16 in of blade to get rid of pits on the edge so maybe got into decent steel if it had been overheated. Was concerned about support to blade ( have about 1/2 in of blade left before the slot ). The blade sharpened up real nice and seems to cut good. Don’t know yet how edge will hold up.

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Don W

17966 posts in 2032 days


#4 posted 03-01-2016 11:58 AM

I agree. Its very seldom a blade needs replacing.

-- Master hand plane hoarder. - http://timetestedtools.net

View RGtools's profile

RGtools

3372 posts in 2119 days


#5 posted 03-03-2016 02:47 PM

Generally speaking the blade will outlast you. But I swap for new blades in my vintage tools when DEEP pitting on the back of the blade threatens to ruin my edge.

-- Make furniture that lasts as long as the tree - Ryan

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cj5

9 posts in 659 days


#6 posted 03-03-2016 03:40 PM

Thank you all for the advice, saves me money too!

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Smitty_Cabinetshop

13734 posts in 2083 days


#7 posted 03-03-2016 07:23 PM

Glad the question was answered. +1 on “pitting that can’t be removed” being the top reason an OEM cutter won’t cut it.

-- Don't anthropomorphize your handplanes. They hate it when you do that. -- OldTools Archive --

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