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Jam chuck-Pin chuck (Read 2,435 times)
 
John Frigillana
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Jam chuck-Pin chuck
Aug 4th, 2008 at 12:21pm
 
Smiley What would be the best way to remove a tenon from a HF prior to finishing ? The opening would be about 1" to 1  1/2. Jam chuck, Pin chuck, etc. Huh
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Ron Sardo
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Re: Jam chuck-Pin chuck
Reply #1 - Aug 4th, 2008 at 1:24pm
 
Vacuum Chuck.

Depending on the thickness of the walls and how large the HF is, a jam chuck may work. A donut chuck might be the right one also.

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nuturner
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Re: Jam chuck-Pin chuck
Reply #2 - Aug 4th, 2008 at 2:13pm
 
I agree.  I've tried a variety of methods, including the Longworth chuck, Nova Cole Jaws (and chucks of similar styles) and nothing provides the reliable support that a vacuum chuck or "donut" chuck offers for this particular turning task.  The only exception I can think of, because I've never used them (yet) are the Nova Soft Jaws.

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« Last Edit: Aug 4th, 2008 at 2:15pm by N/A »  
 
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Rev. Doug Miller
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Re: Jam chuck-Pin chuck
Reply #3 - Aug 5th, 2008 at 12:07am
 
John, you've gotten some good advice already and there is not much more I can add.  A picture in the gallery might help us give you more specific advice.  What is being said though is that it depends on your piece.  A lot of factors will play into the decision as to what the best way to reverse this piece will be.  The soft jaws that Nuturner mentioned are great if you have a strong rim that the jaws can clamp onto. 
CoolRev. Doug Miller
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John Frigillana
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Re: Jam chuck-Pin chuck
Reply #4 - Aug 6th, 2008 at 1:09pm
 
AngryI 'm trying to post some pics but it 's not accepting it , any advice.
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Bill Bolen
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Re: Jam chuck-Pin chuck
Reply #5 - Aug 6th, 2008 at 3:44pm
 
make sure the size of your pic is under 50 and you need to register a second time in the gallery to post a pic.You can use the same name and PW as you have for the forum but still need to register seperatly...Bill...
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John Frigillana
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Re: Jam chuck-Pin chuck
Reply #6 - Aug 6th, 2008 at 4:08pm
 
SmileyHere are the pics. The opening is 1".
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John Frigillana
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Posting pics
Reply #7 - Aug 6th, 2008 at 7:15pm
 
Tried registering with the gallery ,but still can not upload pics. Reply says file exceeds limit. What are the parameters to uploading pics? Embarrassed
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Mike Baber
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Re: Jam chuck-Pin chuck
Reply #8 - Aug 6th, 2008 at 9:33pm
 
jpg, jpeg or png... max is 100kb or smaller nutten over... hope this helps
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« Last Edit: Aug 6th, 2008 at 9:35pm by Mike Baber »  

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Đave Wendell
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Re: Posting pics
Reply #9 - Aug 7th, 2008 at 1:33am
 
John Frigillana wrote on Aug 6th, 2008 at 7:15pm:
Tried registering with the gallery ,but still can not upload pics. Reply says file exceeds limit. What are the parameters to uploading pics? Embarrassed



You need to use an image resizer.  I like to use this site  Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register   It's real easy.  Click the browse button a small window will open, and go to the folder where your picture is, Click on the picture you want to use.  The window will now close.  Select the 600 pixels.  Select Greyscale if it is not already.  Select Best and click the Resize button.  Give it a moment or two to work it's magic, the window will change and you will be able to see the pic you just resized.  You can click on  "Download this picture now" and select save and then the folder.  Do that and save it to a folder where you can find it.  I always rename it before I save it, I also save it to a folder I named Resized so that I know they are ready to be posted, and not the originals.  You could also right click on the picture and select "Save Picture As" and then find the folder you want to put it in.  All that is left is to use the upload feature in the gallery.

Give it a try, once you do one you will find it is easier to do than to read about. Smiley
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« Last Edit: Aug 7th, 2008 at 1:39am by Đave Wendell »  

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Re: Jam chuck-Pin chuck
Reply #10 - Aug 7th, 2008 at 5:40am
 
The Shrinkpictures.com site looks very handy. I'll pass that on elsewhere.
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Ron Sardo
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Re: Posting pics
Reply #11 - Aug 7th, 2008 at 8:28am
 
Đave Wendell wrote on Aug 7th, 2008 at 1:33am:
John Frigillana wrote on Aug 6th, 2008 at 7:15pm:
Tried registering with the gallery ,but still can not upload pics. Reply says file exceeds limit. What are the parameters to uploading pics? Embarrassed


  I like to use this site  Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register;  It's real easy. 


That looks like a good one.

Here what I've been using
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Đave Wendell
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Re: Posting pics
Reply #12 - Aug 7th, 2008 at 12:15pm
 
Ron Sardo wrote on Aug 7th, 2008 at 8:28am:
Đave Wendell wrote on Aug 7th, 2008 at 1:33am:
[quote author=John link=1217870500/0#7 date=1218068108]Tried registering with the gallery ,but still can not upload pics. Reply says file exceeds limit. What are the parameters to uploading pics? Embarrassed


Here what I've been using
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I like yours too Ron.  I have it on my pc as well.

The nice thing about shrinkpictures is it is good for those with an older slower processor and fuller hard drive.  LOL a buddy's pc took 17 minutes one day to crunch something small enough for an email.  The whole time I'm on the other end of the phone hearing what a "piece of" his pc has become.  The next phone call was for advice on what new pc he should purchase.
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Ron Sardo
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Re: Posting pics
Reply #13 - Aug 7th, 2008 at 12:26pm
 
Đave Wendell wrote on Aug 7th, 2008 at 12:15pm:
Ron Sardo wrote on Aug 7th, 2008 at 8:28am:
Đave Wendell wrote on Aug 7th, 2008 at 1:33am:
[quote author=John link=1217870500/0#7 date=1218068108]Tried registering with the gallery ,but still can not upload pics. Reply says file exceeds limit. What are the parameters to uploading pics? Embarrassed


Here what I've been using
Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register


I like yours too Ron.  I have it on my pc as well.

The nice thing about shrinkpictures is it is good for those with an older slower processor and fuller hard drive.  LOL a buddy's pc took 17 minutes one day to crunch something small enough for an email.  The whole time I'm on the other end of the phone hearing what a "piece of" his pc has become.  The next phone call was for advice on what new pc he should purchase.


Yikes!
To create all the thumbnails for Leo's page took about 2 seconds after I pointed to the directory where the photos where stored and clicked on the size I wanted.
I like yours too Ron.
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Đave Wendell
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Re: Jam chuck-Pin chuck
Reply #14 - Aug 7th, 2008 at 12:31pm
 
Well, not to beat my buddy up, but he was running a P2 with 256mb memory.  Not to sure how many programs opened in mem every time he cranked it up, but enough to slow things way down. Shocked
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Ron Sardo
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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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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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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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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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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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