..The end result….that is as sharp as a Mach 3 Turbo.
Gr.
how do you know how sharp it is ?
There is a group of us that are looking at developing sharpness testers that will be in the reach of, and meaningful to the kind of knife sharpening work that you show us here. [/quote]
Hey BLD,
Great observation! One way that I have been involved with measuring “Sharpness” of a cutting surface is by durometer of material that closely mirrors the target tissue or material to be cut. One would have to have a baseline “Durometer or material density” to qantify what the range of acceptable penetration would be. When I was working in ultrasonic vibratory blade developement we used Si sheet that mirrored human skin to accomplish that feat. The density of the skin was found by using a particular load cell and an Instron machine to see what the force to cut in gms/mm would be on a sample of skin, and then mirror that in the Si sheet selection for QC.
Maybe we can get a baseline standard for an “Edge” thickness and distance. Interesting stuff.
.
