[TheForge] followup on holes in saw blade

Peter Fels & Phoebe Palmer artgawk at thegrid.net
Sat May 8 01:28:58 EDT 2010


Grin..a tool is a tool.

Mike Spencer wrote:
> Frosty wrote:
> 
>> I think I mentioned this early in the thread but I've had very good
>> luck annealing hard high C steel for drilling by chucking up a piece
>> of round steel rod about the same dia as I want to drill, then with
>> it turning I press it into the part where the hole's to go. Once the
>> part turns red I retract the rod, let it cool and drill.
> 
> Very clever.  I must have missed it before.  I might even experiment
> with just pushing the rod until some light blue shows up around the
> hot spot -- all depending on just what the workpiece is.  Have to
> remember that.
> 
> I think my most bizarre hole-making was on my very first forge. Utter
> novice that I was, I had struggled to form a sheet metal cone-shaped
> hood and bolt it to the little forge only to discover that I needed
> 1/4" aligned holes through two layers of sheet metal to fasten the top
> of the cone together.  Too springy to drill. Dreaded starting over by
> taking the the horrible, floppy, springy thing apart. So I clamped the
> metal and a Balkan Sobranie can [1] full of sand together and shot a
> hole in it with a .22 short. Worked great.
> 
> 
> Tnx Frosty,
> - Mike
> 
> [1] Balkan Sobranie is no longer available so you can't make holes
>     this way any more. 8-)
> 


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