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Black is the least friable Sic and I would go with 60 and 240. It grinds up so fast any finer makes no sense IMO.
Interesting, under the microscope all the diamonds in the coarser Venev stones were black, making me suspect boron carbide. Sounds like it was...
Of course that depends on where you get your diamonds, US or China, the quality of diamond you get, and how much resin/diamond volume in the...
What holds the agglomerate together? It also sounds like the scratch pattern would not be as uniform as a stone with the diamonds evenly dispersed...
My preference for finer than 5-3 micron stones right now is leather strops bare or loaded with diamond but I am still quite actively learning. I...
It was just someone who got some spring loaded clips, a 100 gram test weight, and tied them together. If there is any demand I can make a few...
That is understood. Since I got a tester just like the one that will be used I want to duplicate as many of the test conditions that will be used,...
Shawn, where do you get the tension the filament to 100 grams from? It looks like that is something I need to rig up for consistency but can't...
Stone the washers in the pivot? They may have burrs from stamping. Just one thought.
It is safest but not absolutely necessary. A lot depends on how big you want your micro bevel to be.
Well, I finally opened the box to my new Edge On Up tester and played with it a little tonight. I sharpened a HAP40 Delica Shawn gave me a few...
How hot can you get it? Silver solder takes quite a bit of heat to work, at least the stuff I have used.
Just a thought but every 5 minutes sounds a little excessive. Perhaps dropping down a grit would do the same thing? I do understand how a freshly...
Lakeshore is where I buy my endmills for cutting steel. I like 3 flute stubs for slotting with, you certainly don't want more flutes. At that size...
I was thinking of the black dot mean in your chart, which looks to me to be the theoretical size. I would say don't shift to account for the...
In my experience, the finer side of the PSD doesn't matter as much as the coarser side, so I would use the mean. I think the fines are more filler...
My only suggestion is to keep the mud from the stones washed off, don't let it build up. The loose abrasive is what will erode the bond, which is...
I've been wondering how it's going. No rush though since I'm swamped through next Thursday.
I have tried mineral oil. I like that it doesn't evaporate but it also doesn't wash the swarf off nearly as well either, and I didn't notice any...
While I technically could I wouldn't want to use any of my current cutters on phenolic. I ONLY use them on aluminum and if I used them on anything...
