01-03-2016, 04:25 PM
(01-03-2016, 02:45 PM)rleete Wrote:(01-02-2016, 11:42 PM)Highpower Wrote: According to my highly calibrated Japanese hardness testing files I'm estimating about 53 - 54 HRC after the tempering.
..... It's not seeing a lot of impact/shock type force, so it should hold up quite well.
I don't know.... you haven't seen me hanging from the bar and bouncing up and down trying to free a bearing from a motor armature.
The more I think about it, the more I want to go ahead and do a second tempering and bring the hardness down some more. The areas around the keyway corners are pretty thin.
Willie