[sdiy] Special tools for SMT

Oren Leavitt obl64 at ix.netcom.com
Sat Feb 12 18:06:23 CET 2022

On 2/12/22 10:35 AM, Mike Bryant wrote:
> On Sat, Feb 12, 2022 at 5:12 AM cheater cheater 
> <cheater00social at gmail.com> wrote:
> such as "out of all screwdrivers you have, use plastic-covered
> screwdrivers when working on mains".
> As an 11 year old at my school a long time ago one of the things we 
> had to make in metalworking class was a screwdriver.  Put a rod of 
> metal in the lathe and slowly turn it down to the required shape, then 
> grind the end to a flat blade.
> Never did find a use for it !
> The other thing we had to make was to beat a circle of copper to form 
> an ash-tray.  Things were definitely different in those days :-)

My "useless" screwdriver I made in metalworking class consisted of steel 
or iron rod that I heated in a forge. While hot, I hammered one end flat 
and then ground it into final shape. This was then reheated and then 
quenched in water to temper it. For the handle, I placed the rod with 
the finished blade in a sand mold with a space to pour molten aluminum 
to fill out the handle. Finally I ground the rough edges of the mold 
seam off the handle.

Viola! A pry bar that thinks it is a screwdriver :)

- Oren

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