[modeleng] Re: 'oles
- From: "Charles & Dorothy Brumbelow" <cbrumbelow@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Mon, 7 Mar 2005 07:43:14 -0600
My comments and article reference posted earlier had to do with spring
material of a clocklike nature, Al. Although EDM would work with any spring
one could get into position; some would take longer than others. Charles
> Are we talking about "clock Spring" material, or
> "Automobile leaf spring" we have scrounged?
>
> Al Messer
>
>> 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
MODEL ENGINEERING DISCUSSION LIST.
To UNSUBSCRIBE from this list, send a blank email to,
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.
Other related posts:
