Hollow grind to me is only a personal added (not needed) preference, no need for it IMO. Some people will sware by it but iv NEVER found myself using a FFG knive thinking, "man I sure with this was a hollow grind" < Never happened, not once. but thats just me.

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Radius of Hollow or Hollow Grind. When skates are sharpened, they are hollow ground creating a concave surface with two distinct edges. The edges give the skater the ability to control the skates for turning, stopping, and starting. …

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Double-bevel grind. What it is: A double-bevel grind, also known as a "compound grind," can, in overall profile, incorporate virtually any other grind -- flat, hollow, convex -- with the addition of a secondary V-bevel to produce a cutting …

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Ah that is a good plan. Especially considering the grind tends to be asymmetrical with a flat grind on one side and hollow on the other. Might have to adjust the pein side of a hammer just for this purpose or make some sort of a hardy tool. Means I can lay the flat side right on the anvil. Ah something to play with.

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Hollow grinds were very popular amongst mass produced knives recently, and now that a good flat grind can be produced, it is a welcome change. (of course this is all theory). I prefer flat over hollow, but that won't stop me from buying a blade I like. The only grind I truly hate is the low saber grind that's on the D4/E4.

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A Simple Hollow Grinding Jig. This is a jig I threw together from things in my shop that makes it easy to create hollow-ground knife bevels. I would have made an instructable out of it, but I don't have any pictures of the process and it's pretty easy to see how the thing goes together any way. The metal widget with the springs is there just to ...

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A hollow grind is produced when you use a wheel to sharpen the edge of a knife. Because there is less material directly behind the edge, this type of edge is less durable (although the degree to this is more theoretical than in actual practice). A straight razor has a hollow grind. A straight razor has a very delicate edge, but the usage of the ...

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Hollow Grinding: Necessity or Relic? Just received my new set of chisels from you guys, and I understand they need sharpening before they're ready to use. I've learned enough about sharpening to know that I need to hollow-grind the bevels before I hone them. Just one problem: I don't have a grinder. Can you suggest another way to create a ...

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Hollow grinding goes back to the era when most home grinders were six inch (150mm) diameter. At that smaller diameter, the hollow is much more pronounced. This facilitates "two point" grinding. In my opinion, one can essentially ignore the hollow of a 250mm Tormek wheel. (By visual comparison, I also find little difference between the 200 and ...

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The high performance of aero-engines requires light-weight aero-engine blades, so hollow structures have been widely used in aero-engine blades. At present, the measurement of aero-engine blades is mainly carried out with coordinate measuring machines (CMM). This method can measure most of the aero-engine blades through direct contact. However, the …

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The hollow grind was the easiest to achieve with those tools, in fact a full flat grind would have been quite the trick using the edge of a rounded grindstone. Hand ground on a belt sander requires perhaps more skill but also gives one many more options.

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Hollow Grind. The hollow grind is a very common grind for knife blades. Hollow-ground blades offer excellent cutting properties and are more flexible than blades with a different type of grind. They are mainly used to for hunting and outdoor knives as well as kitchen knives. We also hollow-grind our straight razors.

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A hollow grind is a way to grind your blade so that the bevels curve inward (concave) to meet at a point. This makes for an extremely sharp knife, but very fragile edge at the same time. It's a difficult grind to achieve, even with the right tools and as …

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Hollow grinding tips and techniques. October 25, 2021. Bob Van Dyke heads to the grinder to demonstrate how he adds a hollow grind to his blades and how he keeps from burning the blade in the process.

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A hollow grind means metal is only removed at the secondary cutting edge, as well as at the spine to a lesser degree. As a hollow grind assumes the shape of the outer diameter of the grinding wheel that sharpened it, different diameters of …

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I started with jigs on about my first 8 knives. I found out real quick how limiting they are and the type of grind you can do. I have literally learned more about grinding free handing my last two knives than I have in the all of my previous 12-15 knives. I was trying to step my game up and hollow grind a blade with some re-curve in it.

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The hollow grind calculator is a good point to start so you rougly know what grind height you should have for a given stock thickness and wheel size. Another lesson learnt by mistake, if starting with a low grit belt, leave more on the edge then you planned for to account for the difference of belt thickness in comparison to higher grit belts. ...

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Full hollow grind . Today, most straight razors are made with a full hollow grind. Up to 15 work stages of our most experienced straight razor sharpeners are necessary to achieve a full hollow grind. The flexible blade adapts best to your skin …

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A hollow ground blade. A hollow ground blade is a knife blade that has been ground down to create a characteristic concave, beveled edge along the cutting edge of the knife. This effect is accomplished by starting the grind below …

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The hollow grind has a long history of use in the hunting community because the thin and extremely sharp edge is great for field dressing animals. Chisel This grind is most often found on chisels but can also be found on other types of blades such as high end Japanese chef knives, modern folders and some modern "art" tactical knives.

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Since Victorinox is the worlds largest manufacturer of pocket knives, and Opinel is the second largest maker, I don't understand why the hollow grind does still exist. It is proven by both Victorinox and Opinel that the convex and …

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Hollow grind. The hollow grind is the predominate knife grind used by South African knifemakers. They have the lowest strength of all designs including scandi as a large portion of the blade is thin relative to the spine. They tend to cut well because they are easy to sharpen as per above.

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