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  1. #1
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    Jun 2010
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    Default Dingo Log Splitter

    It's the time of year when one starts to think about processing firewood.

    I've had a look through a few past log-splitting projects on here, but have been thinking about something very simple to hook up to my Dingo, like this:

    6249211.jpg6249210.jpg6249208.jpg

    Which I believe may have been an actual Dingo-branded implement? I like the idea that it can be tilted forward and split logs in place, which could be handy for a few larger logs (~1m dia) I have my eye on.

    I was thinking of a 4" cylinder with a 600mm stroke, which should get me about 19 tonnes, which I think is fine for my fairly modest requirements.

    I've got a bit of 150UC I can steal - any idea if this is going to be strong enough?

  2. #2
    Join Date
    Aug 2008
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    near Rockhampton
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    Default

    Only thing I can think of is some Dingo models put out near 3400psi so plan according to what pressure you have.
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  3. #3
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    Default

    Quote Originally Posted by .RC. View Post
    Only thing I can think of is some Dingo models put out near 3400psi so plan according to what pressure you have.
    Mine says 235Bar on the sticker which is about 3,400 psi, which at the claimed 47lpm is almost 25HP. They managed to stuff a surprising amount of engine into that thing.

  4. #4
    Join Date
    Aug 2011
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    Melbourne
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    Default

    1m diameter logs are considered "modest requirements"?

    In any case, my experience suggests that 19 tonne should be ok to split 1m diameter logs of around the 400mm length.

    My wood heater can take logs up to about 460mm and so 400mm is a nice size for my purposes.

    I have a 150mm diameter ram and the maximum pressure I have seen created to split some pretty big logs is around 2000 psi (only for a split second) which equates to 24 tonne.

    Log splitters that claim to produce 50 tonnes of force are either unnecessary or simply misleading.

    At 46 lpm it would also produce a nice piston speed of nearly 10cm/s which is plenty fast too. Slow cyclic speeds can become frustrating.

    Not sure about your choice of material. Others can make comment. I used two pieces of 150x 75 x 8 and it's never even noticably flexed.

    Edit: my hydraulic pump Max's out at 3000 psi but I have set the relief valve on the spool to 2200 psi so the system never sees any more than that.

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  5. #5
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    Jun 2010
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    Default

    Quote Originally Posted by simonl View Post
    1m diameter logs are considered "modest requirements"?
    I'm planning to cut them into 400mm disks and then spilt - the grain looks to be fairly straight, so I'm hoping they will split fairly easily - being able to bring the splitter to the log rather than vice-versa seems attractive, although watching some Youtube vids of skid-steer mounted splitters, manoeuvring the machine to the log does look a lot slower than loading the logs by hand.

    In any case, my experience suggests that 19 tonne should be ok to split 1m diameter logs of around the 400mm length.
    Cool - I could go with a 5" cylinder, but the price goes up and I'm not sure if I need to - according to the calculator I found, a 4" ram at 47lpm should extend 600mm in 6 seconds, and I guess 400mm in 4 seconds, which seems pretty decent.

    Not sure about your choice of material. Others can make comment. I used two pieces of 150x 75 x 8 and it's never even noticably flexed.
    I guess one option is to use the 150UC and if it flexes too much, add another bit underneath...

    Edit: my hydraulic pump Max's out at 3000 psi but I have set the relief valve on the spool to 2200 psi so the system never sees any more than that.
    When I bought the Dingo I put a gauge on the auxiliary circuit and someone had tweaked the relief valve well past the 235 bar rating for the machine - I've since corrected that as I've got no real need for the extra pressure, and busted hydraulics aren't the cheapest things to fix.

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