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Thread: Homemade power drawbar

  1. #1
    Gunco Veteran panaceabeachbum's Avatar
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    Default Homemade power drawbar

    Got up monday and decided to built a power draw bar for my bridgeport clone to speed up tool changes. Finaly got around to anodizing and installing it today. Here are a few pics.








  2. #2
    Gunco Regular pupwag's Avatar
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    It's only metal, it's not magic.

  3. #3
    Gunco Member VaFisher's Avatar
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    Looks like a nice job to me. You wouldnt by chance have a DWG and spec sheet for parts on it that you could pass on. I have thought about doing this before but have never gotten around to all the measurements. Any help would be great.

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    Gunco Regular Tailgunner's Avatar
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    Now all ya need is a auto tool change system and you can sit back, drink coffee, and design stuff.

  5. #5
    metalbender red_metallic's Avatar
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    Red cylinder = motor to rotate collet spindle & air cylinder pulls it up to release tool in collet?

  6. #6
    Gunco Veteran panaceabeachbum's Avatar
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    it sits above the draw bar normaly and the air cyl shoves the motor assembly down to engage the draw bar , air cyls are in the same air circut as the motor so it spins at the same time the cyl shoves it down on to the draw bar. I used the original valve off the back of the red impact wrench, push the button and it ejects the collet and tool out into my hand in about 2 seconds

  7. #7
    Gunco Veteran panaceabeachbum's Avatar
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  8. #8
    metalbender red_metallic's Avatar
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    Quote Originally Posted by panaceabeachbum
    it sits above the draw bar normaly and the air cyl shoves the motor assembly down to engage the draw bar , air cyls are in the same air circut as the motor so it spins at the same time the cyl shoves it down on to the draw bar. I used the original valve off the back of the red impact wrench, push the button and it ejects the collet and tool out into my hand in about 2 seconds
    Didn't realize that was an impact wrench.

    All I can say is, you must be Scottish!


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