[TheForge] need help on a project

[peter fels]

The induction heater sounds like a fun solution...
Shame they're still so expensive.
Iron hot block sounds good too...
Thanks Paul.


On Aug 1, 2011, at 3:47 PM, Paul wrote:

> If you have access to an induction heater in one of your friends shops, 
> you could easily heat the edge with the handle in place and quench the 
> edge without a problem. I have not used the 'heat a LARGE block of iron 
> and heat the edge with that' method but I could see where that would 
> work also... I can, however, tell you that the induction heater does 
> work very well.
> 
> paul
> WB9HCO
> No trees were killed in the generation of this message,
>  but a tremendous number of electrons were terribly inconvenienced
> 
> On 08/01/2011 05:28 PM, peter self wrote:
>> For the application, an edge quench makes sense.
>> 
>> But, just for discussion.....
>> I have a few old favorite knives that have been sharpened many times over the years,
>> so much so, that they are ground past the hardened edge and have become too soft to keep an edge.
>> I've goofed around with work hardening the edge, with very modest success.
>> Seems too much trouble to strip them, re-heat treat them and rehandle them.
>> I've mused about wrapping the handle in a wet rag and re-edge hardening them with a torch...Haven't tried yet.
>> 
>> Last..grousing;
>> Our pleasant house sitter was very effective at dulling the kitchen knives..presumably sawing her preferred veggies
>> on the stone countertop and the ceramic plates.   Arrrrrrg!
>> 
>> On Aug 1, 2011, at 1:18 PM, Ron Childers wrote:
>> 
>> <SNIP>
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