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Thread: good turning day gone bad....

  1. #1
    Join Date
    Dec 2008
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    falcon heights, minnesota
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    good turning day gone bad....

    started out the day (last one off for 4 days) with the good intent of turning 6 celtic knot pens out of purpleheart and yellowheart. started out good, with enough blanks (8, as i cover all bases), and inserts that were cut the other day. then it went downhill from there. i got all the first cuts done, the first insert broke off clean halfway in, and the glue set up before i could get it out. one blank down. the other inserts went in nicely. then after i cut the second blank's second cut, i noticed something wrong. i hadn't watched where i was cutting, and made the cut in the wrong place. another blank down. oh well says i, i still have 6 blanks. the rest of the cuts and inserts went nicely. then it was time to drill. i marked dead center on the tops of the blanks, slapped them in the jig, and drilled them out, so far so good. glued the brass tubes in with no problems. i decided to turn the one that i thought might be a problem child of the bunch, and boy was i right. note to anyone else wanting to try a celtic knot pen, when it's spinning, and down to round, you can tell if you drilled straight by the image made by the inserts, found that out the hard way. then, as i was about to make the last pass, cutting the last blank, the one that looked like (and was) the best of the bunch, my dad hollered out to lock up the house before i left. needless to say, that distracted me just enough for a slight catch at the end of the barrell, and blew apart the end of the barrell. when i saw how perfect the knot was, and the busted end of the barrell, jesus wept. well, to make a long story bearable, of the 8 blanks i started out with, there were only 3 survivors. one bad cut, one broken insert, three ugly knots (if not drilled even a touch off, wide open on one side, bunched up on the other), and one blown apart on the lathe. of the three that survived, now that i am finishing them with a crystal clear poly, it looks like the purpleheart is bleeding into the yellowheart. what i think i'm going to do, is fall back to plan b (these pens are intended for a silent auction for the minnesota vikings, hence the purple and gold), is to make sets of the pens, one purpleheart, and one yellowheart. can't go wrong there. thank god i go back to work again tomorrow....
    Attached Thumbnails Attached Thumbnails blanks and inserts.JPG   first cuts.JPG   first inserts.JPG   first sanded down.JPG   second cuts.JPG  

    second inserts in and sanded.JPG   third cuts and inserts.JPG   fourth cuts and inserts.JPG   all inserts in and sanded.JPG   all drilled.JPG  

    benedictione omnes bene

    www.burroviejowoodworking.com

    check out my etsy store, buroviejowoodworking

  2. #2
    Join Date
    Dec 2008
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    falcon heights, minnesota
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    the rest of the pics....
    Attached Thumbnails Attached Thumbnails brass tubes ready to be inserted.JPG   brass tubes glued in.JPG   first one mounted.JPG   round she goes.JPG   first bad one.JPG  

    second one better.JPG   jesus wept.JPG  
    benedictione omnes bene

    www.burroviejowoodworking.com

    check out my etsy store, buroviejowoodworking

  3. #3
    Join Date
    Aug 2007
    Location
    Reno NV
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    13,363
    Always did find the drilling to be the hard part on a celtic knot for pens...

    Sorry to hear about the troubles... I HATE it when days like that happen!
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


  4. #4
    Join Date
    Dec 2008
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    falcon heights, minnesota
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    thanks brent! this is the only one of the 3 survivors good enough to make a pen out of. i'm going to give it to the friend of the family, and tell her about going for the purple and gold sets of pens.
    Attached Thumbnails Attached Thumbnails only good pen of the bunch.JPG  
    benedictione omnes bene

    www.burroviejowoodworking.com

    check out my etsy store, buroviejowoodworking

  5. #5
    Join Date
    Dec 2006
    Location
    Oliver Springs, TN
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    I've blown a few blanks like that. It's always that "I'll just make one more lite cut" and boom ruined.

  6. #6
    Join Date
    Aug 2007
    Location
    Reno NV
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    The only thing I'll say about the celtic knot, is that I like them with a little more of an obtuse angle.

    Seems to stretch it out a bit more along the length of the pen...

    What I'm curious about is your kerf looks pretty narrow? Did you use a table saw or band saw for that?

    I screwed up a bunch of these when I was making them it wasn't even funny.

    With all the practice you got on this bunch, You are bound to be an expert on your next batch...
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


  7. #7
    Are the Vikings trying to raise extra money to pay Favre to play? A little side money goes a long way.
    Dennis

  8. #8
    Join Date
    Dec 2006
    Location
    Goodland, Kansas
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    Bummer. Sometimes it is best just to get out and come back another day.
    Bernie W.

    Retirement: Thats when you return from work one day
    and say, Hi, Honey, Im home forever.

    To succeed in life, you need three things: a wishbone, a backbone and a funnybone.

  9. #9
    Join Date
    Dec 2008
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    falcon heights, minnesota
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    brent, i used my bandsaw to make the kerfs. i have a jig set up for when i cut them. these ones were cut with the table at a 25 degree tilt. the nice thing is that my little steel ruler is the same thickness as the kerf, and came in handy when making the jig for cutting the inserts. i think i'm going to stick to one at a time, and try to be as accurate as possible.
    benedictione omnes bene

    www.burroviejowoodworking.com

    check out my etsy store, buroviejowoodworking

  10. #10
    Join Date
    Aug 2007
    Location
    Reno NV
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    13,363
    Quote Originally Posted by Dan Noren View Post
    brent, i used my bandsaw to make the kerfs. i have a jig set up for when i cut them. these ones were cut with the table at a 25 degree tilt. the nice thing is that my little steel ruler is the same thickness as the kerf, and came in handy when making the jig for cutting the inserts. i think i'm going to stick to one at a time, and try to be as accurate as possible.
    I'll have to give the bandsaw a shot on these someday. I actually took a digital caliper to the borg and got the thinnest blade I could find. Ended up being a 7 1/4 (?) circ saw blade. Put it on the table saw and used it, but it was always just a little too thick. Never though the kerf on my bandsaw was smooth enough. I'm thinking I need to get a better blade...

    I really like the thin kerf you got...

    Looks like you had most of the techniques nailed for those, but just 'Missed it by that much'! I'm sure you'll get em perfect next time...
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


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