Of all common grinding methods and means, a professional grindstone is the first choice for knife sharpening. Sharpening and grinding rods can sharpen similar grinding shapes in high-quality ceramic versions. Grinding machines with rotating stone discs are suitable for short blade lengths.
Grindstones produce the best results das Razor sharpening can be described as the most qualitative and high-quality grinding of knives. For this supreme discipline of hand grinding only water grindstones are considered. No other grinding methods can produce the proverbial "razor sharpness" to the same extent.
What kind of grindstone is used to sharpen the blade depends very much on the purpose of the knife. Not every blade has to be "razor-sharp" after grinding. For special cut types such as serrated blades, bread and saw blades, the abrasives must be adapted to the shapes of the cutting edge.
Fixed or rotating grindstones
Apart from metallic and file-like sharpening bars and inferior all-purpose grinders, the grinding result is largely dependent on proper handling and knowledge of metals and angles. Crafty experienced and experienced knife sharpeners can achieve very good results both with grinding rods and rotating and fixed grinding stones in disc shape.
Having a great challenge to sharpen the craftsmanship of the knife is the ideal balance between material removal and sharpness results. For relatively short and straight blades as planing blades means a manual sanding too much effort. Rotating grinding wheels are the best tool in this case.
Japanese water grinders are unbeatable
For grinding the hottest kitchen and kitchen knives, always use a Japanese water grindstone or equivalent. For high-quality multi-folded metal blades such as Damascus knives or Damascus knives, a whetstone of the highest quality is required. As a grain 3000er and from 8000er grits should be present.
After sharpening knives with a whetstone, regardless of the type, it is extremely important to remove the grind by peeling it off on leather. When searching for someone who wields knives, it is essential to insist on this indispensable procedure.
Ceramic grinding rods as an alternative
In the case of wavy knife blades with recesses and increases in blade progression, the knife must be sharpened without a grindstone. As the only professional alternative come here ceramic sanding rods into consideration, which are also selected in the appropriate grain sizes.
For the private household, in which knives are ground themselves, a combined waterstone with two different grain sides is ideal. Together with the abrasive burr removal tool, this equipment is suitable for medium to razor-sharp cuts. Grindstones of this kind cost between fifty and 150 euros and are a purchase for life.
Tips & TricksWith average use of your knives and proper care and storage, you can expect a sanding cycle on a monthly basis if you want to keep the level of sharpening constantly at the same level.