Deposit buildup on my hand plane

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Forum topic by SpottedGum posted 12-18-2017 07:16 AM 1570 views 0 times favorited 8 replies Add to Favorites Watch
View SpottedGum's profile


13 posts in 1382 days

12-18-2017 07:16 AM

Topic tags/keywords: joining finishing milling

Why does my hand plane build up with hard deposits on the under side when planing. I’m planing I think Blackbutt hardwood and it is hard but I get these small deposits both before and after the blade which then lift the blade off the surface of timber I’m planing. Most annoying and happens within 2 or 3 passes of the plan.
Should I wax the underside of my plan?

8 replies so far

View Don W's profile

Don W

19420 posts in 3170 days

#1 posted 12-18-2017 12:14 PM

I don’t know what blackbutt hardwood is but I do know you should wax the sole. Try it, you’ll be amazed at the difference it makes.

-- - Collecting is an investment in the past, and the future.

View AESamuel's profile


100 posts in 1825 days

#2 posted 12-18-2017 12:56 PM

Do you have any close pictures of the wood and the deposits? It almost sounds like a resin, sap, or gum buildup from the wood.

View bondogaposis's profile


5604 posts in 2953 days

#3 posted 12-18-2017 01:14 PM

Wax the sole, definitely.

-- Bondo Gaposis

View Tim's profile


3859 posts in 2563 days

#4 posted 12-18-2017 03:11 PM

This site mentions the “extractives” in the wood may be a problem for finishes, and that could be what’s going on. I assume they are referring to some kind of resin also. If waxing the sole doesn’t work, try a light machine oil on a rag, and if that doesn’t work, if you have a scrap to test on, try wiping the wood with mineral spirits (maybe called white spirit down under too?) or other solvent.

View Robert's profile


3598 posts in 2083 days

#5 posted 12-18-2017 05:00 PM

Resinous wood can do this.

-- Everything is a prototype thats why its one of a kind!!

View Manitario's profile


2794 posts in 3485 days

#6 posted 12-18-2017 05:16 PM

It’s resin, I get the same when I plane wenge or African Blackwood. As others suggested, regular waxing the sole will help.

-- Sometimes the creative process requires foul language. -- Charles Neil

View SpottedGum's profile


13 posts in 1382 days

#7 posted 12-23-2017 08:08 AM

Wax works excellent. Thanks.

View robscastle's profile


6675 posts in 2806 days

#8 posted 12-23-2017 09:30 AM

Spotted Gum ! just had to be an Auzzie !!

Yeah mate post a coupla pictures so we can see whats going on and while your at it a few sheillas too!! they never go a stray!

-- Regards Rob

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