Sunday, October 13, 2013

Tiny Drilling

For all the time I've been in shops there has been a story floating around that gets repeated whenever somebody has to drill a tiny hole. The story changes depending on who tells it but basically has the same cast of characters. The story goes something like this.

An American company developed a new drill bit for drilling tiny holes. The story teller never has a specification on how small the drill other than its really small. Smaller than a hair is what I've heard told before. This amazing drill took years of development and the company, once again un-named other than its an American company, is rightfully proud of their achievement in toolmaking.

The second part of the story gets even fuzzier. I have heard it told that the un-named American company had a rival or partner Swiss or German company that somehow hears about the new tiny American drill achievement. They politely ask for a sample of the drill for testing on their application or machinery. The American company rightfully proud, quickly obliges and sends them a drill for evaluation.

Depending on who is telling the story the roles can be reversed. The story seems better if the Swiss or German company is showing off their achievement to the Yanks.

So after some interval of time passes a package arrives back at the drill manufacturers doorstep. They open the package and find the drill bit they sent out. They look it over and see nothing so they send it back again slightly confused. Another time interval passes and the package comes back again. No explanation, no note, just a package with the drill in it. This time they look at it closely. To their utter disbelief they look and see there is a hole drilled through the side of their tiny drill bit.

Recently I bought about thirty pounds of old magazines from a guy at the Alameda antiques fair. I found this article in a old Popular Mechanics from the 1950's. It has almost all the parts of the story except the competition between the Swiss or German toolmakers.



This is from the 1950's Imagine what we can do today. I work with a fellow that has tools as small  as .0004 inches in diameter. Yes, ten microns. You cant even touch the tool with anything without breaking it. It takes a 60,000 rpm spindle to make it do anything. All I know is I would like to see the machinery that tool is made on.

Enjoy.

Tom Lipton

18 comments:

  1. Great story! I can only wonder... how are the small tools handled if they break when they are touched? Magnetic fields?

    ReplyDelete
  2. Hi Tim,

    Good question. The machine here uses a laser to find the tool and set its diameter and length. In the z axis they are probably "stronger" because its column loading. The length is short with respect to the diameter so proportionally they are stiff.

    Best,

    Tom

    ReplyDelete
  3. Hi Tom, I heard that one before as I suppose everyone else has, countries don't matter as it's all apocryphal xenophobic one-upmanship..Another one you might have heard is about Yankee troops over here during the war, that's 39-45 to you sonny. and the problems the high-ups had with the randy sods and our English rose's. Anyway the high command thought to order a large quantity of condoms from the Brits and could not resist asking for 12" ones. So the condoms duly arrived at the PX all marked "small"

    ReplyDelete
  4. Hi Chris,

    The version I have heard of this one is during the cold war as part of a demoralization program airplanes dropped boxes of condoms on the Soviet Union. The condoms were twelve inches long and marked "Made in the USA" Size, medium.

    Best,

    Tom

    ReplyDelete
  5. Hi Tom,
    That could be a start of a new challenge between you and Adam.
    Who owns the tiniest tool.
    BTW you 2 are very entertaining!!
    Continue to amaze me.
    Cheers,
    Chris

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  9. When I heard the small drill story (from my dad, in the '60s) the hole had been drilled lengthways.

    ReplyDelete
    Replies
    1. Hey Pete,

      Check this out. A buddy of mine found this.
      http://www.najet.com/stories/

      Best,

      Tom

      Delete
  10. My Dad told me that story, his version was very similar but the drill was sent back drilled out with 5 tiny drills inside of it! The good guys were from Shefeild England. I can't remember who the others were. Germans I think.
    I'm kinda bummed to find out it wasn't really true!

    ReplyDelete
  11. My dad told me a most believable version. IE: I believed it and have retold it as historical fact and my all time favorite. But braggerts were pre-war Germans showing off there micro machining prowess to the then kings of tiny tools the swiss watch makers. even as fiction then its still my favorite. -jay

    ReplyDelete
  12. Hi Jay,

    How close was your version to this one? Thanks for the comment.

    Cheers,

    Tom

    ReplyDelete
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