Editing Overhoning
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== Causes and impacts of overhoning == | == Causes and impacts of overhoning == | ||
− | It is not easy to overhone most edges | + | It is not easy to overhone most edges but it is possible. It takes either too big pressure or an excessive amount of laps to create an overhoned edge. Too many laps produce a wire edge that breaks off leaving a jagged rough edge; excessive pressure takes the edge too far. As a result, it becomes very brittle and chippy and falls apart easily. Overhoned blade feels dull and is very uncomfortable to shave with. |
== Test of overhoned edges == | == Test of overhoned edges == | ||
− | Overhoned edges can be usually seen under a 20x loupe and can be detected with the [[Sharpness tests explained|TNT and TPT]]. [ | + | Overhoned edges can be usually seen under a 20x loupe and can be detected with the [[Sharpness tests explained|TNT and TPT]]. [http://www.straightrazorplace.com/forums/members/gssixgun.html Glen/gssixgun] advises <ref>http://www.straightrazorplace.com/forums/basic-honing/33218-over-honing.html</ref>: ''"The best way to find an overhoned edge is the [http://straightrazorplace.com/srpwiki/index.php/Sharpness_tests_explained#TNT_-_Thumb_Nail_Test TNT] but it also can dull a perfectly good edge, so I don't recommend it's use for testing for an overhoned edge. Use the [http://straightrazorplace.com/srpwiki/index.php/Sharpness_tests_explained#TPT_-_Thumb_Pad_Test TPT] very, very, lightly to feel for a rough spot (using the calloused forefinger tip actually works better for me on this), use magnification to look for a jagged spot."'' If neither is found then the edge is likely just a bit rough (not overhoned) and can be smoothed out with a .50CrO paste or a fine polisher. |
== How to fix overhoned edges == | == How to fix overhoned edges == | ||
− | Overhoned edges can usually be | + | Overhoned edges can usually be well cured with several backhoning (spine leading) laps, preferably on coarser grits. Once the burr is removed from a deterioated edge, proceed with normal honing. Always make sure that [[Bevel-setting in theory and practice|the bevel is well set]] before going to finer grits. |
== Hones and laps == | == Hones and laps == |