We have a massive amount of Edge Pro products so we figured it would be good to have a whole section on how to use the machine and what to use on it.
Mon Jun 02, 2014 2:39 pm
I've been using the stock EP stones for awhile, but am looking at
upgrading possibly to the Shaptons. I do sharpen as a service and
basically offer 2 finishes. One is the stock EP 400 grit stone, and
the other is all the way up to 0.5 micron CBN spray. What I'm looking
for is a progression that will completely get rid of the stock EP
setup including the polish tapes (current progression is EP 120, 220,
400, 600, 1000, 2k tape, 3k tape, 1u CBN, 0.5u CBN). I need something
that can reprofile at least as easily as the EP 120, but that maybe
creates less swarf that can scratch the blade (if this even exists)
also. I'd like a Shapton progression that will get rid of all the
scratches leading up to where I can finish with the 1u and 0.5u strops
for a perfect mirror, and would also like something equivalent in
finish to the stock EP 400 grit stone so I can still keep my two
options for customers. I hope all this makes sense, but trying to word
it the best way I can.
I've bought from you in the past, and was pleased with your service
and am eager to hear your suggestions.
Mon Jun 02, 2014 2:44 pm
If you're looking to do a good mirror polish you need to do a tight progression to remove scratches especially on the low grits. Here would be a good way to go:
Shapton Glass 320
Balsa strop with 1 micron diamond paste
Nano Cloth Strop with .125 cbn
That will give you a great mirror finish.
Mon Jun 02, 2014 9:45 pm
"I need something that can reprofile at least as easily as the EP 120..."
Have you tried a marshmallow or a piece of cheese? Seriously, the setup recommended above will put a smile on your face.
The Shapton 1K is just a tad finer than the EP400.
Tue Jun 03, 2014 3:13 pm
Thu Jun 05, 2014 11:31 am
In your progression is the SG 86 the 8K stone?
Fri Jun 06, 2014 12:23 am
Definitely a typo
Fri Jun 06, 2014 7:13 pm
Mark's suggested progression is very similar to what I'm actually using:
Atoma 600 (sometimes I skip this one, especially with softer steel knives)
Shapton Glass 2K
Balsa .5 CBN
Roo .1 CBN
Also I'm using the various accessories / upgrades for the Edge Pro as well to ensure better results and save time (i.e., Angle Cube, spring, drill stop collar, magnet to hold knife when setting angle)
I'm probably going to replace the final roo strop with nanocloth, as well as possibly add large freehand strops (and base) so I don't have to set up the Edge Pro for touch-ups between full-fledged sharpenings, but overall I'm extremely satisfied with the final result I get from this setup.
Sat Jun 07, 2014 9:39 pm
So these two setups underscore another question - what are you sharpening? So if you are going with more abrasion resistant steels, going with the full suite of Atomas is advisable at the low end.
For more general purpose steels, you can switch to stones after the Atoma 140. For this you should include the Nubatama 150 even if you follow this with Shapton stones. It's just so much faster removing the Atoma 140 scratches quickly. You can also skip the 320 and go to the 500 directly.
On the other end of the scale, you can either skip the 16 k and go to 1 micron CBN or, better yet keep the 16k and go to 0.75 CBN (24k grit) or the 0.5 CBN (30k). Using the 1 micron CBN with the 16k stone is mostly redundant. At half micron, there is an advantage to nanocloth or Kangaroo. And finishing up with the tenth micron on Kangaroo is an exceptional edge.
In the middle, a tight progression of doubling is the way to go. This will give you a bright finish. To further accentuate the brightness of the Shapton Glass stones, use lots of water as the metal black swarf will dull your finish a bit.
Sun Jun 08, 2014 1:38 am
I absolutely agree with Ken about keeping the Shapton Glass Stones wet. I wet mine about every 10 swipes and try to rub some of the swarf off at the same time. They seriously cut faster than any other stone I have ever used, especially on the higher grit stones. They continue to amaze me!!
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