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  • dppmfg
    started a topic line bore job

    line bore job

    I have an line bore job coming up next week. It will be the first time i have used my set up since converting the thing to hydraulic drive. My new to me truck has auxiliary ports on it.
    The job will not be any thing to major my understanding is that it will be pivot points on some kind of lift.
    I didn't know if you fine folks would be interested in something like that or not.
    If there is interest i will try and take pics and post the job if no one is in to it then i wont wast my time.

  • dppmfg
    replied
    That's a pretty slick low-budget feed unitn.

    Thank you

    I just bought one that's older than dirt. Uses a 3/4" drill to drive it. Gearbox reduction from 1725 rpm to about 200 rpm. The gearbox also drives an automatic feed .008" per rev.

    Well how bout some pics please!!! In use would be even better.

    Works great-- when the drill finally gives up I will replace it with a DC motor and ratiotrol from Boston Gear[/QUOTE]
    gear reduced dc motor is what I started with it worked great but a little low on the torque hard to beat hydralic for power per size. looking forward to the pics.

    Leave a comment:


  • wronghand
    replied
    That's a pretty slick low-budget feed unit. I just bought one that's older than dirt. Uses a 3/4" drill to drive it. Gearbox reduction from 1725 rpm to about 200 rpm. The gearbox also drives an automatic feed .008" per rev.
    Works great-- when the drill finally gives up I will replace it with a DC motor and ratiotrol from Boston Gear

    Leave a comment:


  • dppmfg
    replied
    Originally posted by J hall View Post
    I do like your feed setup. Does the orbit motor have enough power at low speeds?
    O yea there is a lots of torque even at 50 rpm i can snap off a 1/2 tool like nothing. my truck has 26 gpm of flow at base idle so there is plenty of volume at 1800 psi.

    Leave a comment:


  • J hall
    replied
    I do like your feed setup. Does the orbit motor have enough power at low speeds?

    Leave a comment:


  • dppmfg
    replied
    update

    Click image for larger version

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    got all set up today just before dark will bore 1st thing in the morning.
    Hope u find it interesting.

    Leave a comment:


  • dppmfg
    replied
    close ups of my homemade feeder

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  • dppmfg
    replied
    Place 24 in feeder
    aline it to the bar
    lock in place
    Hook up hydraulics

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  • dppmfg
    replied
    update

    Initial placement of the boring bar with alinement cones.
    Add bearings and support plates.


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  • J hall
    replied
    Don't forget the trusty scarfing tip

    Leave a comment:


  • Sonora Iron
    replied
    Originally posted by dppmfg View Post
    What size would you suggest 3/16 now.
    I'd suggest at least 3/8”, but that welder won't cut it.

    Leave a comment:


  • dppmfg
    replied
    Originally posted by J hall View Post
    It looks like you could use more air. And maybe more amps too.
    Dang shure could used more amps now running a bobcat 250 maxed at 250 3/16 carbon have a big 40 to put on the truck when I get a chance to go through it. It has been in cold storage for a while.
    as far as air goes i have a imt hydraulic drive compressor 25 cfm. to put on when things slow down for know i will keep using my gas drive 10 cfm.

    js fab "No. Just pick a bigger carbon rod."
    What size would you suggest 3/16 now.
    Last edited by dppmfg; 10-21-2010, 07:23 PM.

    Leave a comment:


  • JSFAB
    replied
    Originally posted by Sonora Iron View Post
    is there such a thing as too much air, or too many amps?
    No. Just pick a bigger carbon rod.

    Leave a comment:


  • Sonora Iron
    replied
    Originally posted by J hall View Post
    It looks like you could use more air. And maybe more amps too.
    That's like saying, [could use more money].

    On something like this, is there such a thing as too much air, or too many amps?

    Leave a comment:


  • admweld
    replied
    Originally posted by J hall View Post
    It looks like you could use more air. And maybe more amps too.
    Was thinking the same thing.Good call jeff.

    Leave a comment:

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