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Lathe drilling question (Read 1,386 times)
 
Darren Jones
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Lathe drilling question
Jul 1st, 2009 at 7:21pm
 
I am thinking about trying a fornster bit to do the drilling to start hollowing out the inside. What kind of fornster and what is a good size bit. I have a jet 1014 so I am worried that I might not have enough hp.
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Vaughn McMillan
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Re: Lathe drilling question
Reply #1 - Jul 1st, 2009 at 8:02pm
 
As far as the kind, pretty much any Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register will work. The size depends on how big of opening you want to work through. I usually use anywhere from about 5/8" to 1 1/2" bits, depending on the piece. Your Jet should have enough power to make those sizes of holes, just don't try to hog out too much material too quickly.
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« Last Edit: Jul 1st, 2009 at 8:02pm by Vaughn McMillan »  
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JimQuarles
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Re: Lathe drilling question
Reply #2 - Jul 1st, 2009 at 11:26pm
 
I have used 2" Forstner bits on my old Delta Midi that is the same size and power as your 1014.  I just advanced it slowly and made sure I kept the chips from building up.  Be sure to hold on to the chuck in the tailstock so it doesn't pull out and start flipping around.

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Leo Frilot
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Re: Lathe drilling question
Reply #3 - Jul 2nd, 2009 at 10:27am
 
1.5" to 2" should be adequate.  Just make sure the shank fits your jacob's chuck.  Some of the FB's have a 1/2" shank.  If you don't have the jacob's chuck yet, get one that will hold at least a 1/2" bit.
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Jeff Braunscheidel
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Re: Lathe drilling question
Reply #4 - Jul 6th, 2009 at 10:13am
 
I recently read a review on a new type of forstner-style bit made by Colt called the maxicut (popularwoodworking.com and look for review of this bit). 

Couldn't believe the article so went ahead and ordered one.  Just used it yesterday to bore a 2" deep hole (1" dia) in hard elm.  Steady feed without stopping or clearing chips for the entire depth of the hole and without extreme heating up!!!  They are a bit pricey, but just one to start hollowing wasn't bad.  Might want to check it out.
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« Last Edit: Jul 6th, 2009 at 10:19am by Jeff Braunscheidel »  
 
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JimQuarles
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Re: Lathe drilling question
Reply #5 - Jul 6th, 2009 at 11:50am
 
Nick Cook was talking them up at the DWR last Feb.  The thing he liked best was the extension system.  He thought they were great for doing peppermills.  Most FB's will not go all the way through a peppermill without some kind of extension.

JimQuarles
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