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  1. #1
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    Default drill motors

    I may be building a machine that needs to drill and countersink a hole (for a 3/8 bolt through 1/4" A36) among other things. To keep things simple and (relatively) inexpensive, I'm thinking of getting a drill motor, a stubby drill/countersink cutter, and putting it on a PLC controlled slide. This machine will probably drill about 10,000 holes in its life.

    I've seen the Milwaukee 4253-1 drill motor, which looks like it would do the trick. CS Unitec also makes one.

    Has anyone done this and used these or other brands and have some reviews?

    Thanks,
    Daniel

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    Find a purpose made drill head:
    Used Machinery & Industrial Equipment | HGR Industrial Surplus

    many of these around.
    Induction motor (not a screaming brush motor) air operated slide (with oil controlled in/out)

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    I've also been looking at the self-feeding drill units. Hypneumat, etc.

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    Hypeumat (jeesh is that name screwed up...) is Snow when they mount it on their
    own base and add the wiring.
    Used Machinery & Industrial Equipment | HGR Industrial Surplus

    remove the tapping head, and swap in a drill chuck. (or find a snow drill)
    BX8273: SNOW #DR-1-5 TAPPING & DRILLING MACHINE - McKean Machinery Sales, Inc

    Note depth control box on the front ?

    this purpose made snow drill has an add on peck cycle box right in front, called the woodpecker.

    but I don't think you'd need that for your job.

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    I'v got an ARO self feeding pneumatic drill about a 2" round body.Would be easy to mount.Have seen them cheap on E-Bay.ARO 8255-A14-2 Inline Self Feeding Pneumatic Drill 1850 RPM No Chuck | eBay

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    Quote Originally Posted by ratbldr427 View Post
    I'v got an ARO self feeding pneumatic drill about a 2" round body.Would be easy to mount.Have seen them cheap on E-Bay.ARO 8255-A14-2 Inline Self Feeding Pneumatic Drill 1850 RPM No Chuck | eBay
    How much air doo these use ?

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    Wow, self-feeding drill units are expensive. Hypneumat wants about $10k for a unit.

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    You could try Quackenbush also. They call them positive feed drills.

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    Quote Originally Posted by DanielG View Post
    Wow, self-feeding drill units are expensive. Hypneumat wants about $10k for a unit.
    Neighbor has 6-8 greasy dirty ones on a pallet, shall I inquire for you ?

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    Quote Originally Posted by digger doug View Post
    Neighbor has 6-8 greasy dirty ones on a pallet, shall I inquire for you ?
    I will keep that in mind. The project isn't at that phase yet.


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