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Thread: Last Phase Hollowing Rig

  1. #1
    Join Date
    Jul 2008
    Palm Springs, Ca

    Last Phase Hollowing Rig

    Today i fiinished up the little things and tried the rig out on a much larger pc of olive wood. I took off the safety stops and wired up the laser to test it out (5 volt laser from Laser Land). The log is 15" long and 12 1/2" wide.
    I drilled a deep hole with a old bit I had by welding in a pc of drill rod (see picture #1).
    I hollowed as usual by hand for awhile and then setup the rig as shown in the pictures below (pictures 2-5) . It cut great until i got about 2/3 of the way into it and then it started acting very jerky. I tried raising up the tool rest but it didn't seem to work and then tried rotating the cutting tip down slightly - didn;t help either... I had to reposition the cutter several times due to the jerking tork that the tool was getting.
    What im wondering is if I should have made the cutting tips so they just solidly mount into the 3/4" round bars instead of the adjustable one ive been using (picture 6). Like taking the bar steel and putting a 45' hole in it with a set screw to hold the cutter and I could do the same for a straight tool...........thoughts ??
    Anybody have any other ideas ????

    thanks Dan
    Attached Thumbnails Attached Thumbnails Drill-Bit.jpg   Sunday-1.jpg   Sunday-2.jpg   Sunday-3.jpg   Sunday-4.jpg  

    First you have to learn the rules - Beginner
    Then you have to learn advanced rules - Professional
    Then you disregard the rules - This takes you to the master level................

  2. #2
    Join Date
    Oct 2006
    Tokyo Japan
    I'd make at least one more tool holder for it, drill at a 45 and make that holder straight, no goose neck, make it thicker steel even if you can get some. Mine are, IIRC, about 20mm in diameter which is just over 3/4" and I have not had a problem with them.

    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  3. #3
    Join Date
    Jul 2007
    Des Moines, IA
    I will chime in. Stu has some good advice. I have even used some 1" bar for my snake. Especially when you are reaching over the tool rest a ways.

  4. #4
    Join Date
    Oct 2006
    ABQ NM
    Looks like it works good, Dan. Ditto on the previous advise about bigger boring bars and the need (or lack thereof) for the bigger bars to be goose necked.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

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