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Don't Make This Mistake (s) Green Wood Alarm

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Forum topic by langski93 posted 02-09-2019 07:53 PM 751 views 0 times favorited 9 replies Add to Favorites Watch
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langski93

115 posts in 3698 days


02-09-2019 07:53 PM

Topic tags/keywords: rust wet wood green wood removal

I use my equipment weekly, but sometime everyday for fairly long stretches. I have a garage, walk-out basement, woodshop. Rust has never been an issue between usage and waxing.

I had a cherry log quartersawn 2 weeks ago and purposely requested green lumber for the first time. Three days ago I milled a short 4X4 and re-sawed a couple of pieces of it on my MM16 BS (Gina). I left the balance of the piece on the table against the back side of the fence, as I will sometimes do when I want to keep a piece within reach. I did the exact same thing with a second piece on my table saw and left it by the blade guard.

Yesterday, I was picking up the shop and happened to pick up the piece on the MM16 and for a second I was not sure what I was seeing. My instant thought was “a shadow” a split second later I realized that the table had a significant amount of surface rust which was more than the kind you can just wax away. I could actually feel the dampness in the surface of the rust, which I also think made it appear darker. To top it off, the back side of the fence was in the same condition. I couldn’t believe how quickly this happened. Needless to say, I jumped right on it and except for the permanent stain where the rust was, Gina is fine. The fence has a much darker stain, but it too is fine. It was late afternoon, so emergency over I went up stairs for the night. This AM, back in the shop and over to the TS and whamo! The exact same situation, but additionally wherever the sawdust was thrown on the table were small rust marks.

Once again, I used a couple of coats of a citrus based with pumice hand cleaner to scrub out the rust and it did a very good job. I suspect that it has water in it, so I was careful to dry and wax/buff a couple of coats.

Originally, I had “rescued” the TS and worked really hard to get the table surface back to almost new condition. After this incident, I am going to continue to cut green wood, but take steps to prevent another outbreak of this as well as stop leaving wood, green or dry on the tables. If I had been away from home for 5 days I would have had a serious pitting problem I’m sure.

Why green wood? $1.56 bf quartersawn, and I got to choose what I wanted out of the log and leave the rest :)
I have it seasoning in my shed.

-- Langski, New Hampshire


9 replies so far

View TungOil's profile

TungOil

1099 posts in 760 days


#1 posted 02-10-2019 03:31 AM

I did something similar several years ago, only with some wet construction grade lumber. Left a stack of cut 2×6’s on my (at the time nearly new) tablesaw top. By the next morning there was a perfect image of every board, including the knots, printed on the top of my saw.

When the cussing stopped, I found these Wonderbar Rust Erasers. Worked like a charm to get the stain out.

https://www.garrettwade.com/wonderbar-rust-eraser-gp.html

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

View Nubsnstubs's profile

Nubsnstubs

1453 posts in 1995 days


#2 posted 02-10-2019 03:47 PM

I certainly hope Gina doesn’t bite you in the future for abusing her. ........... Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

View runswithscissors's profile

runswithscissors

2957 posts in 2290 days


#3 posted 02-10-2019 09:46 PM

I’ve never given my tools personal names, though I have hurled epithets at them once in a while. As for leaving stuff on the tables, I do sometimes heap imprecations on them.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

View ocean's profile

ocean

141 posts in 1098 days


#4 posted 02-10-2019 10:00 PM

I live in the FL Keys and I learned my lesson 30 years ago. Never, never leave any wood on any tool with a cast iron top or you can plan on a rust invasion over night. Green wood is certainly the worst but construction lumber and just about any wood will create the rust over night. A cardboard box or even some paper can also be a problem. You just have to learn not to use your tool surfaces as a catch-all, you know I’ll just put it here for awhile. Sometimes a hard habit to break, until you see the rust.

-- Bob, FL Keys

View langski93's profile

langski93

115 posts in 3698 days


#5 posted 02-12-2019 01:16 AM

Lesson learned guys. Tungoil, I will check out that product.

-- Langski, New Hampshire

View ruger's profile

ruger

70 posts in 360 days


#6 posted 02-12-2019 01:35 AM

how many used table saws have you seen with a paint can rust ring on a cast iron wing? a lot .lol i have a bench dog cast router table and for some reason when i rout purple heart the dust and wood chips leave a dark pattern on the back side where they collect almost looks like burn marks.

View TungOil's profile

TungOil

1099 posts in 760 days


#7 posted 02-12-2019 02:34 AM

Here’s a before and after picture. The right side has been cleaned up with the Wonderbar.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

View langski93's profile

langski93

115 posts in 3698 days


#8 posted 02-12-2019 11:45 PM



how many used table saws have you seen with a paint can rust ring on a cast iron wing? a lot .lol i have a bench dog cast router table and for some reason when i rout purple heart the dust and wood chips leave a dark pattern on the back side where they collect almost looks like burn marks.

- ruger

Ruger you better send that bench dog top to me for analysis. Please use prepaid freight and I will do the same when I return it I promise :)

-- Langski, New Hampshire

View Steve's profile

Steve

940 posts in 847 days


#9 posted 02-13-2019 12:17 AM

I had the same thing happen to my brand new Rikon BS with a slice of white oak that i had cut and left on the table over night. couldn’t believe it

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