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Re: [Land-speed] Fw: Drilling teeny holes...

To: "Ed Weldon" <23.weldon@comcast.net>, land-speed@autox.team.net
Subject: Re: [Land-speed] Fw: Drilling teeny holes...
From: "Ed Van Scoy" <ed@vetteracing.com>
Date: Tue, 25 Sep 2007 02:42:40 +0000
Yeah, I know it's Mickey Mouse.... but itworks. If the drill is too small for 
your chuck to hold it, wrapthe end of the bit in duct tape, slide it in and 
tighten it up. 
Ed



>-----Original Message-----
>From: Ed Weldon [mailto:23.weldon@comcast.net]
>Sent: Monday, September 24, 2007 06:40 PM
>To: land-speed@autox.team.net
>Subject: [Land-speed] Fw: Drilling teeny holes...
>
>Forwarded with edits
>----- Original Message ----- 
>From: "Ed Weldon" <23.weldon@comcast.net>
>To: "Glen Barrett" <speedtimer@beyondbb.com>; <drmayf@mayfco.com>; "LSR" <>
>Sent: Monday, September 24, 2007 6:28 PM
>Subject: Re: [Land-speed] Drilling teeny holes...
>
>
>> Mayf--Both Glen and Gary are right.
>> I've had a good bit of experience with such tiny drills in the #55 to #80
>> range. Pin vises work well on aluminum and brass but naturally requre
>> patience. An old modelers' trick when drilling metal is to poke the drill
>> into some beeswax so it fills the flutes. Provides cutting lubrication
>and
>> helps to capture chips which otherwise might jam against the flutes and
>let
>> you overstress the drill. Drills are impossible to sharpen well enough
>for
>> metal unless you have a microscope. Once you've broken it get a new one.
>> Well equipped hobby shops are sources for single drills in the 60-80 range
>> beyond what you'll find in the hardware stores. Prices run in the $1-$2
>> range.
>> On the other end of the scale machine drilling is best done at very high
>> speed like 5000-10,000 rpm. Well beyond what you can get with an ordinary
>> bench drill press. Not to mention that virtually all the drill chucks
>> available for these machines, either jacobs type or the quick release type
>> won't chuck anything smaller than a 5/64. There is a tiny jacobs style
>that
>> is found on miniature drill presses like the one I think Glen has. It's a
>> Jacobs #0 and will chunk down to about .012. These drill presses usually
>> have a sensitive hand feed. I think you can do this with a dremel tool
>> mounted in their drill press accessory if and that is IF you can find a
>> dremel accessory chuck that will hold your tiny drill without excessive
>> runout. I don't use that kind of machine. I was lucky to find a Dumore
>> miniature drill press with a Jacobs 0 chuck at a swap meet a few years
>ago.
>> Paid $5.00 for it. Fitted it out with a light and a dimmer switch speed
>> control and then proceeded to pay $50.00 for a miniature Unimat vise for
>it.
>> Still a pretty good deal considering similar albeit higher quality units
>> sell new today between $700 and $1600.
>> Ed Weldon
>>
>> ----- Original Message ----- 
>> From: "Glen Barrett" <speedtimer@beyondbb.com>
>> To: <drmayf@mayfco.com>; "LSR" <land-speed@autox.team.net>
>> Sent: Monday, September 24, 2007 5:35 PM
>> Subject: Re: [Land-speed] Drilling teeny holes...
>> > How thick is the material, what type, hardness, I have a very small
>drill
>> > press and small tooling vises to hold small parts....... Glen
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