factory grinds on most knives suck. It’s no wonder most don’t stay sharp very long…
My experience is the opposite. Brand new knives lasted sharp much longer. I don’t have many though. Just set of kitchen knives ZWILLING J.A. Henckels Professional “S”, Spyderco folder, Buck Classic Hunter folder, kitchen Zyliss knives. It could be because of lack of my sharpening skills. I wish someone will create database of factory edge profiles, so I could try to imitate factory profiles.
Probably a different problem needing solving… not sure I’ve ever heard someone claim a factory edge as better.
My guess off the top of my head, would be a burr or wire edge leftover that’s shortening the edge life.
Most factory edges are freehand sharpened, and like I said before, can be all over the map… so probably not possible to create a database of factory edges. (Usually 2 unequal angles, followed by a buffer at an even higher angle to debur.) 🙂
Maybe a description of how your edges are failing would help… may want to start another thread if interested.
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