[modeleng] Re: 'oles
- From: "Charles & Dorothy Brumbelow" <cbrumbelow@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Mon, 7 Mar 2005 06:40:16 -0600
Holy spring steel can also be made with a punch and die setup as per "Leaf
Springs Design and Construction" by Frank Kerfoot in Live Steam March/April
2001. Electronic Discharge Machining (EDM) would do the trick for those
with access to the equipment. And if none of these work, I'm reasonably
sure the stubborn steel will be blessed enough to become holy. ;-] Charles
> Spring steel can usually (noticed I said USUALLY) be drilled by running
> the
> drill very slowly, using plenty of thread cutting oil and keeping a steady
> and relentless pressure against the drill bit. If the drill ever makes a
> turn without removing metal the steel will instantly case/work harden and
> all forward progress will cease. This same system works on stainless
> steels
> that work harden when drilling.
>
> Unka Jesse
>
>> I wonder what I said?
>>
>> Punching it, "burning" through using a car battery and electrode, and...
>> I
>> am sure there are other ways but my mind has gone blank.
>> Alan
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