Do you know how to sharpen a knife? Edge sharpening is not as simple as you might think. As one sharpens the blade and gets past the initial wider part of the blade, the blade will become easier to sharpen and will very slowly become more difficult as the hollow grind becomes thicker up the blade. But, it is absolutely necessary to maintaining the value and safety of your knife. To better understand all the "angles" involved, we've included an excerpt from a recent Spyderco byte blog post. Since its. Hollow grinding has almost always been used in very high-quality knives and razors because it is easier to sharpen! Thanks for stopping by our blog, if you're looking for Spyderco products just click here. A bench grinder , on the other hand, sharpens removes a small amount of the knife material to produce the sharp edge. How to Sharpen a Knife. I was asked via social media if I could please show how to do a basic flat grind. Spyderco takes all of these factors into consideration when we produce our knives to ensure that every blade offers the best possible cutting performance within the scope of its design, blade material, and intended use. A full flat ground blade may be too thin but could take a very mild scandi bevel. Most decent kitchen knives are full flat ground. Sharpen your knives regularly. Just remember to run very close to flat on the flat side while you are chisel grind sharpening. How To Easily Sharpen A Convex Edge Sharpening a convex edge can be a real pain in the keister. Flat grinds are sturdier, and simple to sharpen on basic equipment. Capacity, FEIN Slugger JCM 200u Magnetic Base Drill 2 In. For this reason, many Spyderco knives with broad, full-flat-ground blades made from steels with fine microstructures can be sharpened at a 30-degree included angle and perform just fine. Sometimes I like the flat, sometimes I like the bevel. Magnet Accessory for Apex and Pro Models, Apex Model Pivot Angle Guidelines. Different knife grinds. It also produces a distal taper that reduces the weight of the blade, but also decreases its strength. If you do not want to make any marks on the FLAT side of the blade, put a piece of painters tape on the FLAT side at the TOP of the blade. Owners of a blade may choose to reshape it as a different grind to obtain different blade properties. compound) and chisel grinds, use a flat surfaced primary grind to reduce the sides of a knife blade from its full thickness to a cutting edge. It was during these early years that Sal learned the best way to set an edge on a blade. Typically, a knife is only ground once, as the grinding process removes a great deal of metal. Aside from the zero grind, there are three other types of grinds: a hollow grind, a convex grind, and a flat grind. The easiest grind to sharpen in the field is the one you are already best at sharpening. The High Flat and Scandi grinds are ideal for whittling or woodworking. Very slight. How to sharpen it: A flat grind can be sharpened on a stone or other flat hone, or by using a guided sharpening system. (Story extracted from July edition of Syperco bytes), . The reason I suggest starting with a Scandi ground blade is because of the large, flat bevel that you can lay flat on a stone, without guessing the angle. It all begins with a flat back to the blade. Heavy-duty use knives have saber grinds. Hollow-ground blades can also be sharpened many times before the edge wears into the thicker part of the steel. Man with a drill . Thanks for stopping by our blog, if you're looking for Spyderco products just click, Copyright © 2020, Wylaco Supply Company, All Rights Reserved. With a traditional, flat sharpening stone, one must repeatedly and consistently follow the contour of a rounded, convex edge with the flat surface of a stone. There isn't much need to belabor the basics. In 1978 Sal invented the Tri-Angle Sharpmaker™. Here’s how to choose that best grind for your knife. I know I am not a great artist, but I hope you get the point. These choices work for me. The grind could reach to halfway up the blade, a sabre grind, but also up to the spine, which is when we refer to it as a full flat grind. The reason I suggest starting with a Scandi ground blade is because of the large, flat bevel that you can lay flat on a stone, without guessing the angle. The full flat will be the better slicer and probably will fit the bill for you - IMO. Did you read the whole article? Flat grinds are great for whittling and general use. When it comes to edge geometry, we really do work all the angles. When first learning how to sharpen on a benchstone, I suggest starting with a Scandinavian ground knife also know as a Sabre grind or as I call it in this post, a Scandi grind.