Ok guys and girls. I've been knocking out knives on the k02, but only going to 1000 is killing me. I bought some polishing tapes and blanks from edgepro last night. My question is what motion should be used with them. With the 1000 i use progressively less pressure edge leading. Are the tapes used edge trailing like a strop, edge leading, or even circular (which i use on the low grit stones ripping off a bunch of material.
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Edgepro polishing tapes.
- Thread starter ahoward2k
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Edge trailing with very light pressure for me. EP will start edge trailing then finish edge leading.
The Science of Sharp blog says edge trailing can get an apex up to 10x finer than edge leading. Hard to argue with an electron microscope.
The Science of Sharp blog says edge trailing can get an apex up to 10x finer than edge leading. Hard to argue with an electron microscope.
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- Feb 17, 2016
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You may want to try these diamond adhesive backed films for the Edge Pro https://jendeindustries.com/1x6-jende-diamond-films.html on a tape blank (the glass blanks are great). After giving them a try I put away my old polishing tapes for good. The 9 micron leaves an excellent toothy cutting edge while the 3, 1, and .5 micron leaves a mirror finish I haven't been able to duplicate. The "diamond films" last a long time, like 5-10 knives, and are very resistant to tearing. So resistant that during sharpening I use edge leading strokes with no problem. The coarse films (30 micron and above) remove metal fast and leave a nice scratch pattern. They all do best after a few strokes to break them in. They clean up well with dawn and a 3m scrubbing pad and a fresh water rinse. I still use stones for lower carbide blades but for most of the super steels I've moved almost exclusively to these diamond films.
I'll give those a shot. I've only got one super steel, my zdp189 endura, and these did great. I'm making a balsa strop with some green paste today to play with that. Once I took a few edge talking strokes on the tapes to knock any burr off, i even used a circular polishing stroke and got an almost mirror finish.
If your going diamond then take a hard look at the new EP Matrix stones. You get the same scratch pattern quality but with longevity that tapes can't compete with, and with a little attention when dressing they are much more accurate in flatness and parallelism. For ultimate edge keeness, you want the scratch pattern to be perpendicular to the apex and edge trailing strokes.