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No, but there is a pic of a yasuri style file on this page
Sauer & Steiner: One file to rule them all - and in the Ebony dust bind them. and Woodcraft has some "feather edge" yasuri saw files.

I read an artcle on superpolishing automotive shafts once.... Basically what they do is have the shaft on a lathe and a motorized grinding wheel on the tool post (all computer controlled of course)...

A sen is a Japanese draw knive that is like a cross handle that holds a hardened steel cutter that resembles a tiny chisel. They are used to cut the fullers (often wrongly called "blood grooves") in...

I don't know.... A mill file has no trouble removing metal, nor does a sen. Seems that it only matters that the angle and pressure of the cutting tool(s) are sufficient to cut into the material.

Not with any precision beyond that it is somewhere on the original p-brane :rofl2:

Yes, I was thinking of profile slices in the x,y plane but the then frequency spectra in the y,z plane, but now that you mention it, an FFT of a photo of a waterstone looks very interesting... pretty...

I was talking about working the mud on a stone... the mud or slurry will become finer as honing progresses... I.e. you start honing on an 8K Kitayama stone, work up a slurry and then polish on the...

GAAHHH, I HATE when I type up a whole page and then loose it! AAAAGGGHHHH :overkill:

So, you get the monosyllabic summary.

Case 1... jade or sintered hones will be mechanically abraded down to...

Ha ha, yes indeed! I was originally a physics and chemistry major but slept through too many calculus classes and had loved rocks since childhood so switched to geology and computer science (don't...

Ah, just a few technical corrections but mostly just additional info. I was a geology major so I have to make use of all that accumulated petrological trivia somehow.:)

Black granite is usually diorite (black with white), diabase or gabbro (often totally black) and not granite, and while there black flakes in ordinary granite which are biotite mica, many of the...