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Jam chuck-Pin chuck (Read 2,404 times)
 
Ron Sardo
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Drums, Pennsylvania, USA
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Re: Jam chuck-Pin chuck
Reply #15 - Aug 7th, 2008 at 1:05pm
 
P2 Shocked

That's Old!

Okay, Okay, I have one of those stashed away. 
I keep it around just in case I need to open a 5-1/4" floppy.
(I have to do that about once a year)
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John Frigillana
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Jet 1642
Re: Jam chuck-Pin chuck
Reply #16 - Aug 7th, 2008 at 5:59pm
 
These are the pics.
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« Last Edit: Aug 7th, 2008 at 6:05pm by John Frigillana »  
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John Frigillana
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Jet 1642
Re: Jam chuck-Pin chuck
Reply #17 - Aug 7th, 2008 at 6:02pm
 
Here's another pic. Can't seem to put on multiple pics at once.
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« Last Edit: Aug 7th, 2008 at 7:18pm by John Frigillana »  
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John Frigillana
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Jet 1642
Re: Jam chuck-Pin chuck
Reply #18 - Aug 7th, 2008 at 7:20pm
 
Another view.
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Vaughn McMillan
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Re: Jam chuck-Pin chuck
Reply #19 - Aug 7th, 2008 at 7:24pm
 
Looks like a great candidate for a donut chuck to me.

Another way I've also parted off the tenons on pieces like this is to take a faceplate with a round of plywood mounted on it, and a foam pad glued to the plywood. I essentially friction chuck the piece with the live center in the tailstock holding the tenon, and the top of the vessel pressed into the foam pad. I'll turn the tenon down to a little nub, do as much bottom cleanup as I can, then stop the lathe and cut off the nub as flush as possible with a flush-cut Japanese-style saw. I finish cleaning up the bottom with sharp chisels and sandpaper. The primary problem with this method is that if you get the nub too small and break it while the lathe is spinning, bad things can happen, and bad words will be said. DAMHIKT. The donut chuck is much more secure.  Wink
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John Frigillana
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Kaneohe, Hawaii, USA
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Jet 1642
Re: Jam chuck-Pin chuck
Reply #20 - Aug 7th, 2008 at 7:39pm
 
CheesyToday, I picked up test tube stoppers with a single hole in the center from 1"to 2" in diameter. I'll mount them on a 3/8 rod with a metal drill 3/8 stopper centered on a scrap piece of hard wood rounded and tapped with a 1"TPI . This way I can change the diameter of the stopper  on the rod depending on the HF size. Kiss
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