12-20-2015, 04:44 AM
(12-19-2015, 07:28 PM)TomG Wrote: All I can say is that in my experience, tempering the blade after grinding results in a MUCH less brittle blade, and I am not alone in that assertion. DoAll recommends that a blade be annealed before and after welding.
Tom
Ok there is are different production methods .
But my original question was "how can it be Temper the blade ? "
you have just pointed out with the quote from the DoAll manual that it is Anneal the blade after welding .
Quote:"Imperial Bi-metal and narrow carbon saw bands require special treatment to protect a weld against accidental breakage. It is recommended that welds in these saw bands be annealed BEFORE removing for grinding and AFTER grinding as well."
Tom
You even wrote ,
Quote:And here is a commercial blade company (BandsawBladesDirect) that does a secondary anneal as well:
Tom
There is a difference , Annealing and Tempering are two different things .
Rob