W.F. & J. Barnes Co Drill Press
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  1. #1
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    Default W.F. & J. Barnes Co Drill Press

    Hey guys, recently picked up this 20” drill press and need some help restoring it. The handle at the top drive wheel that puts it in “low gear” snapped off and I need a picture to recreate it. Also, I am missing some gears and parts for the power feed, and one of the gears for the power feed has some broken teeth. Does anyone have any pictures they could post so I can recreate the parts? Patent date on the machine is oct 25 1910, I looked it up and the drawings weren’t helpful. Thanks!

    ede556b4-4eff-4683-b0e7-2985d61d9626.jpg
    be49c641-82ed-4324-b370-c18e41d08f33.jpg

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    First a flip of the feed photo
    left-side-view.jpg

    Some related photos
    1898-upright-drill.jpg1904-upright-drill.jpg1906-feed-barnes-sliding-head-drill.jpgbarnes-feed.jpg
    Perhaps someone with a Barnes upright drill can post some photos?
    John

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    Thanks for that! I’ve gone through several patents and catalog pictures and stuff, and unfortunately they all seem to be just a little different, and none match mine 100%. I also found that someone added 3 old gears and a weird hunk of very coarse thread hollow all thread on top of the counterweight. Unfortunately none of the gears are correct for the missing one, and I don’t think the threaded piece goes to anything on this. I wonder why it needed a heavier counterweight.

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    Quote Originally Posted by Deepsea View Post
    I wonder why it needed a heavier counterweight.
    Someone may have been using a larger drill chuck or boring head.

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    Deepsea,

    Here are a few photos I have saved over the years.


    PM member Clodbuster restored his W.F. & John Barnes 20 inch machine. He re-made his broken power feed lever by comparing it to the backgear lever.

    Edit: found Clodbuster's restoration thread: Barnes 20 inch drill press restoration (pic heavy)


    clodbuster-20-inch-barnes-01.jpg clodbuster-20-inch-barnes-02.jpg



    W.F & John Barnes 20 inch, from sale advertisement in NZ:

    20-inch-15.jpg


    Another local W.H.& John Barnes, I don't know what size it is, but it is 3MT. Sliding head model.

    barnes-3mt-sliding-head-top-gear-02.jpg barnes-3mt-sliding-head-top-gear-03.jpg

    BTW, we need better photos, please! They are too small to see anything.
    Last edited by Peter S; 05-24-2020 at 07:16 AM.

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    Here is a group photo showing the needed gear(s):
    barnes-feed-gears.jpg
    John

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    Thanks for those pictures! That is a huge help. Yes I private messaged clodbuster just waiting on a reply. I assume my missing gear is a one piece casting for those two gears. I don’t know much about gears, but I’m sure if I measured the radius from the pin to both gears and used the same tooth style I could figure out the specs for the gears I’d need to have made. Reading through his thread though I was surprised to hear how expensive gears are to have made. 2-300 per gear, I guess mine would count as two

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    Two gears assembled together. Some stock gears are sold with a Hub. A projection that can be turned so another gear can be mounted to make an assembled pair.
    Determine the pitch of the gears, typical: measure the diameter, count the number of teeth and then add two (2) to the total. Divide that total by the outside diameter and the result will be a whole number or very close. That is the Pitch.
    Measure the width of the gear. It will match the width of the new gear.
    Martin, Browning, and Boston are gear companies that have pdf catalogs available on line.
    Here is some useful info from Martin:
    martin-gear-terms.jpg
    The gears for the Barnes are called Spur gears. Gear teeth are manufactured with a "Pressure Angle" that should only mesh with other gears that have the same pressure angle. The pressure angle for the missing gears is likely 14 & 1/2 degrees.
    The other common pressure angle is 20 degrees.
    With this info one could browse 'the bay' for replacement gears. New gears are sold at low prices all the time. I would look for a large gear with a hub that already has the correct bore size or smaller. Then mount the smaller gear on the hub.
    Some machine work will be needed, turn, bore, keyway, assemble.
    There is also a way to calculate the dimensions of the missing gears by using the center to center distance.
    Guessing the pitch of the gears may be 8 or 10 pitch.
    John

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