[TheForge] Welding ball bearings

[peter fels]

I think it may have been me who mentioned that to the good Mr Brain, some years back...and the ground flat was just to make it easier to barzeor weld without having to chase it around. I've always used a torch and heated slowly for that.

On Aug 19, 2011, at 8:54 AM, Marrin Fleet wrote:

> I believe I have read to grind a flat spot on a ball bearing before
> welding to it.  This is how some jewelers make large dapping punches,
> which are essentially a ball on the end of a rod.  Grinding seems to
> redistribute the stresses inside the ball, preventing it from
> exploding.  I don't remember any mention of annealing, but I can't see
> where it could hurt!
> 
> I believe I read this in the small publication "Tips and Tricks for
> the (Jeweler's bench?  Small Shop?) by Charles Lewton-Brain.  I can't
> find the book to confirm this, however.   I am 95-per-cent sure of the
> information that I remember, but would really like to find the
> dag-nabbit book to be sure!
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