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Drilling An End Grain Box (Read 4,024 times)
 
Ron Sardo
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Drilling An End Grain Box
Apr 6th, 2010 at 5:34pm
 
Drilling into dry Bubinga using a 2" forstner

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« Last Edit: Apr 7th, 2010 at 1:16am by Bob Hamilton »  

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Re: Drilling An End Grain Box
Reply #1 - Apr 7th, 2010 at 1:15am
 
You must be doing something wrong.  No Smoke!!!


Cheesy
Bob
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Mike Baber
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Re: Drilling An End Grain Box
Reply #2 - Apr 7th, 2010 at 7:19am
 
What format is the video in, I can't see it..., says I need a plugin...gezzz's!
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Ron Sardo
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Re: Drilling An End Grain Box
Reply #3 - Apr 7th, 2010 at 7:28am
 
Mike Baber wrote on Apr 7th, 2010 at 7:19am:
What format is the video in, I can't see it..., says I need a plugin...gezzz's!



WMV - I made this about 4-5 years ago

Bob Hamilton wrote on Apr 7th, 2010 at 1:15am:
You must be doing something wrong.  No Smoke!!!
Cheesy
Bob


Sharp tools are great  Smiley
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« Last Edit: Apr 7th, 2010 at 7:31am by Ron Sardo »  

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Re: Drilling An End Grain Box
Reply #4 - Apr 10th, 2010 at 12:48pm
 

Only seeing a box with a red X inside it --- If we cannot see it cannot be there......

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Re: Drilling An End Grain Box
Reply #5 - Apr 10th, 2010 at 1:35pm
 
I see it no problem.
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Re: Drilling An End Grain Box
Reply #6 - Apr 10th, 2010 at 8:15pm
 
I watched thanks Ron.

What size bit? What speed are you running the lathe?

Thanks,
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Re: Drilling An End Grain Box
Reply #7 - Apr 10th, 2010 at 9:00pm
 
That's a 2" and about 600-700 rpms Mike.

Ken, it is a windows meta file (WMF). It's a old file I took about 4 years ago. I should convert it
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Re: Drilling An End Grain Box
Reply #8 - Apr 10th, 2010 at 9:41pm
 
Yup... that looks the same way mine looks when I use a forstner bit. smiley=thumbsup.gif
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Re: Drilling An End Grain Box
Reply #9 - Apr 12th, 2010 at 1:59pm
 
So, the good thing is that this video has forced me to learn how to sharpen Forstner bits.  I was running a 2" bit @ 500 rpm yesterday and it cut very slowly and hot; went to 840 and the 1150 with the same results.  And this was only African Mahogany.

Thanks for making me learn something new, Ron
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Re: Drilling An End Grain Box
Reply #10 - Apr 12th, 2010 at 2:07pm
 
Frank

Every time I use a forstner bit I take 2 or three swipes with a a small diamond hone.

Sharp is good!
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Mike Baber
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Re: Drilling An End Grain Box
Reply #11 - Apr 12th, 2010 at 2:31pm
 
Frank Van Atta wrote on Apr 12th, 2010 at 1:59pm:
I was running a 2" bit @ 500 rpm yesterday and it cut very slowly and hot; went to 840 and the 1150 with the same results.  And this was only African Mahogany.


For hard wood ya should run ya speeds around 200 RPM's and soft woods about 500 using a 2" fostner bit... that's what the Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register says that I refer to and the bits I got have the recommended RPM's printed on them.
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Re: Drilling An End Grain Box
Reply #12 - Apr 13th, 2010 at 6:42pm
 
Mike Baber wrote on Apr 12th, 2010 at 2:31pm:
For hard wood ya should run ya speeds around 200 RPM's and soft woods about 500 using a 2" fostner bit... that's what the Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register says that I refer to and the bits I got have the recommended RPM's printed on them.


My chart too . . . my lathe doesn't go that slow, so I usually just use the slowest speed, but I don't usually cut holes that large.  I used the higher speeds just to see what happened.  And what happened was a lot of smoke.  So, I guess I'll have to take my large hole drilling business back to the ShopSmith drill press . . . and start sharpening the bits before I use them. 

I just hate it when all the chart thingies are right . . .

Thanks for the link to the chart, Mike - it's a lot more comprehensive than the one I've been using.
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Mike Baber
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Re: Drilling An End Grain Box
Reply #13 - Apr 13th, 2010 at 7:56pm
 
Frank Van Atta wrote on Apr 13th, 2010 at 6:42pm:
I used the higher speeds just to see what happened.  And what happened was a lot of smoke.


Frank, the thing to remember when boring or drilling is, the faster you drill or bore above recommended speed the more damage you are doing to your tool and that includes wood. The color of your chip's tell alot about your speed and how much pressure is being applied. The darker your chips, the harder your working your tool... and if theirs smoke, its to late.
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Re: Drilling An End Grain Box
Reply #14 - Apr 13th, 2010 at 11:37pm
 
Mike Baber wrote on Apr 13th, 2010 at 7:56pm:
Frank, the thing to remember when boring or drilling is, the faster you drill or bore above recommended speed the more damage you are doing to your tool and that includes wood. The color of your chip's tell alot about your speed and how much pressure is being applied. The darker your chips, the harder your working your tool... and if theirs smoke, its to late.


I hear that.  For sure I better move my larger boring jobs to the drill press.
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Re: Drilling An End Grain Box
Reply #15 - Apr 14th, 2010 at 11:45am
 
Frank, I'm not so sure your ShopSmith is the tool to use either.  Unless yours is a lot different than mine, the slowest speed on it is still about 500 rpm's.  Still too fast for the large Fostner bits.  This is the precise reason I went ahead and bought a bench top drill press from HF.  The model I got had a larger swing than their "best" press.  Sure would have loved to get the model with the articulating head, but its bottom speed was too fast too.  I think I have mine set to 170 rpm's and it seems to do just great.
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Re: Drilling An End Grain Box
Reply #16 - Apr 14th, 2010 at 3:56pm
 
You're right about the speed, but I bought a speed reducer for the ShopSmith some years ago to use with the McNaughton tool and it goes down to 100rpm - it's just a pain to set up and use.
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Re: Drilling An End Grain Box
Reply #17 - Apr 14th, 2010 at 11:31pm
 
that'll do
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