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Parting Off Green Cherry (Read 316 times)
 
Don Stephan
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Parting Off Green Cherry
Jul 21st, 2017 at 12:35pm
 
Lucked into some green wild cherry brought down in recent storm.  I'm roughing out lidded box blanks from solid parts of the log.  There is a lot of color streaks so I'm separating the two parts of the box blank with a thin Henry Taylor parting tool.  Even with a slightly widened slot the parting Tool gets quite hot and sometimes blacked resin builds up on the sides of that parting tool.  Occasionally waxing the sides of the parting Tool helps but does not eliminate the blackening.  Steel wool doesn't ouch the black buildup and stopping to soak the tool in oven cleaner isn't practical.

The reason to use the thin parting Tool is to make a narrower slot so the pattern match is better in the finished box.  I've "parted off" a couple with the band saw but after cleaning up the saw marks it seems like a wider total "slot" using the band saw than the narrow parting tool, and going to the bandsaw and then back to the lathe is certainly slower, and breaks up the rhythm.

Has anyone found some magic dust or similar wizardry when parting off green cherry?

(I hate typing on a cell phone screen!)
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Don Stephan
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Re: Parting Off Green Cherry
Reply #1 - Jul 21st, 2017 at 6:56pm
 
This afternoon I paid more attention to widening the slot within the turned blank and things worked much much better.
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David Fritz
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Re: Parting Off Green Cherry
Reply #2 - Jul 22nd, 2017 at 7:56am
 
Is the resulting slot wider than if you had used the bandsaw? I wonder if the bandsaw problem isn't the blade you're using? Glad you came to a satisfactory solution.
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Don Stephan
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Re: Parting Off Green Cherry
Reply #3 - Jul 22nd, 2017 at 7:16pm
 
Bandsaw problem I encountered on I think the second blank is if the blank is not perfectly cylindrical the saw cut will be angled slightly.  Then more wood has to be removed to clean up the saw marks.
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Ed Weber
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Re: Parting Off Green Cherry
Reply #4 - Jul 22nd, 2017 at 9:36pm
 
A bandsaw jig that holds the chuck at 90 degrees is useful. Very similar to what was discussed in this thread. Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register
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Jeff Vanden Boogart
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Re: Parting Off Green Cherry
Reply #5 - Jul 22nd, 2017 at 10:14pm
 
I try to do like you said, Don..."within the turned blank". I've also got a parting blade like this that works pretty good with minimal binding.
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« Last Edit: Jul 22nd, 2017 at 10:15pm by Jeff Vanden Boogart »  
 
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Don Stephan
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Re: Parting Off Green Cherry
Reply #6 - Jul 23rd, 2017 at 9:11am
 
Good tip Ed on a jig for the bandsaw that holds the chuck.  Much better registration of the blank to the blade.  But too time consuming to remove and reinstall the chuck on the lathe and the jig when it is so hard to realize even minimum wage for turning.  Still, for the appropriate situation that would be very helpful.
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Ed Weber
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Re: Parting Off Green Cherry
Reply #7 - Jul 23rd, 2017 at 11:49am
 
You can always cut the lid from the body before you start to turn.
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