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12-25-2010, 09:22 PM #1
The differences among finishing stone.
At first i should say this is for advanced people .
Some of you may be disagree with me . It is ok. i want to figure out this idea myself.
(All conversation is about final edge)
I always was thinking when you get the edge from stone they are all same.
what i mean by that.
when you get "v" shape of the edge your blade gets it is sharpest point.
i have done so many times getting 'v' shape out of the edge then not stop in there.
just push more to see what happens to the edge.
i have gotten in sharpness stage that edge just too fragile to hold anymore or if blade ss blade just melts.
Now i mostly finish edge an Escher and i know eschers edge very well.
if i check it on microscope i know in which stage i am at.
is this blade shave ready or not or i have to hone a little more etc.
All above was my understanding.
After messing around with Japanese stones more then over year now i am getting a little different opinion.( again i could be wrong)
Specially after my Japanese stone .
what i have done is this.
i used that stone to finish the edge on 4 razor.
Blade does pass my sharpness bevel test all 4 but when i check under the microscope i am having problems to figure out this blade is shave ready or not.
My difficulty is this. Edge is not same as escher's ,cf,or coticule or any other Japanese stones which i have used before.
This edge is similar to picture stone number 3.
it seems like i have taped the spine. In fact i have not taped any of the blades.
I will post pictures(simple pictures. you will see the differences edge stone leaves)
what i want to ask is any of you have similar experience?
All 3 stones edge will be same sharpness but thickness of the bevel different?
if this is the case
Lets say this.
we can use stone number 3 in picture and hone the blade which doesn't hold the edge (instead of taping) and have a great edge?
I never thought about this and i am not sure.
has any of you have a different stones which gives similar edge but different thickness of the (lets say bevel?)
Or something wrong with me?
i am not sure.
picture is how different edge comes out from different stones. stone 1 is narrower then 3.
sharpness fine in all 3.(including smoothness)