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Turning Purpleheart (Read 431 times)
 
Lee Bihm
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Turning Purpleheart
Jul 11th, 2021 at 1:09pm
 
I got in some Purpleheart blanks the other day and was all ready to turn my first purple bowl.
I found it strange that as I turned the bowl, it was more of a brown color.
I did a little homework and found out that that it does have a brownish color when cut.  But I’ve seen where people have turned it and it still had the purple color.
There’s one video where a guy said by putting it in the oven at 350 for a couple of hours will cause the oil in the wood to bring out the purple color.
I would like a little advice from those who have turned Purpleheart and how to get it to stay purple.
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« Last Edit: Jul 11th, 2021 at 1:11pm by Lee Bihm »  
 
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chris lawrence
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Re: Turning Purpleheart
Reply #1 - Jul 11th, 2021 at 1:39pm
 
Put it in the sun uv light will bring the purple back out but be aware that continued uv exposure will turn it from purple back to brown eventually.
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Daniel Hayes
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Re: Turning Purpleheart
Reply #2 - Jul 11th, 2021 at 2:10pm
 
Here is the last purple heart I made.  The blank was about four years old.  Finished in walnut oil. It's only about two months since turning.  No fading yet. I have heard you can use sun screen to retard the fading.
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« Last Edit: Jul 11th, 2021 at 2:11pm by Daniel Hayes »  
 
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robo_hippy
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Re: Turning Purpleheart
Reply #3 - Jul 12th, 2021 at 9:52am
 
I would not do the oven trick. 350, in my opinion, would be a very high risk thing for getting cracks. Nice wood, hard, and I have heard of people using marine type finishes which have UV blockers in them.

robo hippy
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Paul Haus
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Re: Turning Purpleheart
Reply #4 - Jul 12th, 2021 at 10:47am
 
When my Dad was still alive he picked up some Purpleheart.  Turned out he was allergic to the dust so at the first sign of issues, abort the turning.
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Ralph Fahringer
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Re: Turning Purpleheart
Reply #5 - Jul 12th, 2021 at 1:21pm
 
I had a  major reaction to Cocobolo. Nothing with Purple Heart.

Some people react to  Walnut, while I can do a deep inhale of the wood and nothing, just the shear enjoyment of smelling my favorite wood. Smiley

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Lee Bihm
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Re: Turning Purpleheart
Reply #6 - Jul 12th, 2021 at 4:44pm
 
Ralph Fahringer wrote on Jul 12th, 2021 at 1:21pm:
I had a  major reaction to Cocobolo. Nothing with Purple Heart.

Some people react to  Walnut, while I can do a deep inhale of the wood and nothing, just the shear enjoyment of smelling my favorite wood. Smiley


I just turned a 10x4 blank of Camphor. The smell of Vicks vapor rub Was almost overpowering  Cheesy but other then that, I haven’t had a problems with species of wood.
I’m not going to try and bake the Purpleheart, would most likely set it on fire. Undecided
Here’s the Camphor bowl.

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robo_hippy
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Re: Turning Purpleheart
Reply #7 - Jul 13th, 2021 at 10:24am
 
Well, I don't take any walnut any more as it makes me sneezy and itchy. Same with the Mimosa/Silk tree. No other woods bother me, yet. With anything in the rosewood family, which includes cocobolo, it is when, not if, you will react to it. I don't remember any particular smell to the purple heart, but a rule I have used is 'the stronger it smells, the worse it is for you'. Lacewood/silky oak is another one of those woods that can bother people. Always be careful with any wood you haven't tried before. Oh, I did have a friend who couldn't use green black locust, but dry black locust didn't bother him....

Very nice job on that camphor bowl.

robo hippy
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David Moeller
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Re: Turning Purpleheart
Reply #8 - Jul 13th, 2021 at 11:56am
 
When I could I would buy a 'special' turning blank and put it on the shelf. Yellow heart, redheart, lacewood, zebra, domestics,etc. To celebrate getting a new lathe I replaced most of my chisel handles with these. ITCH! BURN! The only exotic I can turn now are Zebra and Tulipwood. (Excluding  the domestics), I have no idea which piece/s were the problem. I gave all the remainder away.
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Jim Selby
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Re: Turning Purpleheart
Reply #9 - Jul 13th, 2021 at 1:39pm
 
I have had a reaction from a couple of woods, I turner a pen from lace wood and was fine the next day but by the second day face around eyes swelled up and wound up going to dr. She gave me two medications for it.
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Don Stephan
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Re: Turning Purpleheart
Reply #10 - Jul 13th, 2021 at 7:06pm
 
Appendix I of Living With Wood by Dr Seri Robinson suggests purpleheart dust can cause a cough, and "tested wood has been found to contain an allergen."
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robo_hippy
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Re: Turning Purpleheart
Reply #11 - Jul 14th, 2021 at 10:24am
 
Since I turn green wood almost exclusively, I don't worry about dust when I turn. However, any time I am turning dry wood, I get almost all of it at the source, as in heavy duty dust collector, and all sorts of sanding hoods.

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Ed Weber
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Re: Turning Purpleheart
Reply #12 - Jul 14th, 2021 at 10:32am
 
I don't want to hijack the OP's thread but it sounds like many here have wood they can't/won't use.
Maybe it's time for a toxic wood swap
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robo_hippy
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Re: Turning Purpleheart
Reply #13 - Jul 15th, 2021 at 10:35am
 
I have one friend who won't even walk into a place that has cocobolo....

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Glenn Jacobs
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Re: Turning Purpleheart
Reply #14 - Jul 18th, 2021 at 4:07pm
 
I know of knife makers that went to the hospital due to Cocobolo. It is listed as a cousin to poison ivy.  Burned their lungs.

Glenn J.

PS: I won't allow any wood form South America in my shop. They have nasty stuff down there.
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