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Problem with maple (Read 2,164 times)
 
Stephen Miracle
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Problem with maple
Dec 29th, 2014 at 7:37pm
 
I have turned several pieces of maple, and I get a dark spot at the end grain part of what I am turning. I have run the lathe faster, I have sanded until I have taken a lot material off. But I still have the dark spot. Then when I finish it is real prominate. What am I doing wrong? Cry
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Ed Weber
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Re: Problem with maple
Reply #1 - Dec 29th, 2014 at 7:53pm
 
I would need to see a photo
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Stephen Miracle
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Re: Problem with maple
Reply #2 - Dec 29th, 2014 at 10:31pm
 
see what I can do tomorrow
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Jeff Gilfor
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Re: Problem with maple
Reply #3 - Dec 30th, 2014 at 7:50am
 
We NEED to SEE!!!
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"Wood dosn't hit back"... usually.
 
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Stephen Miracle
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Re: Problem with maple
Reply #4 - Dec 30th, 2014 at 5:16pm
 
Holly crap.. got a new computer..windows 8. Can't figure out how to send a pic. Can't even do it on my phone. Not real computer savy.
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Ralph Fahringer
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Re: Problem with maple
Reply #5 - Dec 31st, 2014 at 10:40am
 
Go to Photobucket:  Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register  and there you can load images to throw up on this site.

Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register

I posted this just now by clicking on the "IMG" under "SHARE LINKS" on the right side of the window in Photobucket... Apple C or whatever is on a Windows computer to copy.

Then in this site you'll see the little button with the earth in it. Click on that and insert the file, Apple V to paste.

...or you could email me your photos and I'll post them for you. Smiley
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« Last Edit: Dec 31st, 2014 at 10:56am by Ralph Fahringer »  

Originality is the art of concealing your source.
 
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Breck Whitworth
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Re: Problem with maple
Reply #6 - Feb 1st, 2015 at 10:43am
 
Stephen I changed to a new computer with windows 8 and I feel your pain it took me quite a while to figure out how to do pictures again, and even now it is not as easy as my old computer was. Good luck
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May the Lord Bless the work of our hands! And Necessity is the mother of invention:
 
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Larry McClish
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Re: Problem with maple
Reply #7 - Feb 1st, 2015 at 12:23pm
 
Would like to see a picture.
If you are sanding to hard, ie, you could be burnishing the end grain. This will repel the finish.
End grain typically is darker because of finish absorption. Thumbs Up
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Louie Powell
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Re: Problem with maple
Reply #8 - Feb 1st, 2015 at 12:47pm
 
As others have said - a picture would really help.  But I understand the Windoze 8 issue - my wife has that on her laptop and our resident computer tech (that would be me) does a lot of swearing when she periodically screws something up and needs help.

As others have said, the problem could be that the end grain is burnished.  It could also be that it was burned as you were parting off the piece. 

But you said maple - I did a small goblet a few months ago that has a ferocious end-grain stain, and that I finally concluded was some kind of mineral stain inside the wood itself - I can see the stain on the bottom of the goblet and also at inside bottom of the bowl, and it even shows through the side a bit.  Kind looks like mold (it was turned from green wood), but I don't think it is.
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Louie
 
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John Normoyle
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Re: Problem with maple
Reply #9 - Mar 15th, 2015 at 3:47pm
 
You didn't say what you were making. Or I completely missed it.  Is it possible that you are sanding onto a metal bushing/center/?, then you are wiping the piece down with water or rubbing alcohol, before sanding or during sanding?  I ask because when I have made a couple of birds eye maple pens I was doing just that with the bushings.  My fix is before sanding, take the piece off the lathe and wipe down each part all by its self.  Then on the ends dab (a paper towel with sanding sealer on it) the ends and let it dry. Then put it back on the lathe to sand and finish.  That seems to have fixed my issue.  Make sure that you clean out the tubes again before assembling the pens.
Good luck.
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If you don't have time to do it right, why do you have the time to do it twice?
 
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Ron Sardo
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Re: Problem with maple
Reply #10 - Mar 15th, 2015 at 5:25pm
 
Ralph Fahringer wrote on Dec 31st, 2014 at 10:40am:
Go to Photobucket

Or you can use the tools here.

Look below and to the left of the message input box and you'll see Attachment 1 and to the right you'll see Browse, search for your photo there.

Just above Attachment 1 you'll see Attachment Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register, click on the plus sign and you'll be able to attach 4 photos.

The images need to be 75k or less, for more information click on the link below
Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register

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Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register
WWW  
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Mike Fisher
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Re: Problem with maple
Reply #11 - Mar 16th, 2015 at 10:40pm
 
Another question.  Did you sand your segments before gluing them into a ring?  If so , did you happen to burn the maple on the sander?  I have found that maple is pretty easy to burn when using a disk sander if too much pressure is applied.

As others have stated, a photo would help.
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Walt Nollan
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Re: Problem with maple
Reply #12 - Mar 17th, 2015 at 11:20am
 
If all the pieces came from the same log/tree it could be a mineral stain.  In which case there is nothing you can do except to bleach it using wood bleach.
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