Understanding Blade Grinds: An Essential Guide To Fixing Your Fixed Blade Knife

Fixed blade knives are a little bit like wearing thick, heavy leather. You can, but it is kind of limiting. If you always wore leather pants, nobody would ever tell you how nice they were. You have to try them out for yourself!

Like leather, carbon fiber is a material that has to be worked with. Though it can be handled easily, there are still many positive benefits to choosing a knife with blade geometry that is called blade grinds.

Blade grinds are a way of fixing the angle at which the knife’sblade is mounted on the cutting surface. This angle is called the blade shape or style.

There are two main ways to use your blade- either as a cutt and kill tool or as a hollow-out tool.

How to choose a blade grind

When choosing a fixed blade knife, the first and most important factor is the blade grind. There are two types of blade grinds: contemporary and classic.

Modern blades are usually half-diamond, half-beveled or chisel edge, while traditional blades have a single sharp edge. When looking at a knife, there are three main components: the length of theblade, the thickness of theblade, and how fine the bevel is.

Short knives have a thin thickesspecialized in close quarters combat or for filleting fish. This is probably because short knives are more easy to hold for longer periods of time and can be task specific or specific for an application.

Heavier ones are better for precision cutting or for doing very small objects like woodcarving or plastic work. This is because this does not require very quick cuts but rather precise placement and removal of material.

Single Grind

A less common blade style, the single grind has only one side to the blade. The other side is either rounded or sharpened and held in position by a seperate tang.

This style of knife is very hard to master as there are two sides to every stick or train. With the single grind, you have to be more careful as the edge is not broken yet. Whether it be due to lack of practice, mis–sticking the knife, or simply being overwhelmed by the style and size of the knife, this style is very rare today.

Single grinds can be tricky as even the length can vary! Many are long and stiff from not practicing enough on them.

Double Grind

A more advanced blade grind has the name of double grind. This more specialized blade shape has a convexed top, then a concave bottom. This shape can also have a slight curve, or flat surface.

Double grinds can be valuable to add to your arsenal. While there are only a few legitimate double grinds, they can make for nice combinations. These include rasposo, bloodhawk, and buzzsaw blades.

This article will explain the differentially registered (DR) and non-DR blade shapes, as well as how to fix a faulty double grind.

Chisel Grind

A more pronounced chisel grind has replaced the V-shaped blade profile of a marquee fixed blade knife. This style is commonly referred to as a chisel grind.

A chisel grind has the spine of the blade deeper into the hollow area of the blade. This allows you to cut deeper and farther, as well as use more pressure and force to get the job done.

The balance of the knife is also differently affected by this style. A heavier, greater proportion of the knife is in contact when striking an object, making for more constant heat and consistent results.

Because of how differently a knife with a chisel grind looks and feels compared to a standard profile knife, it can be hard to identify! Fortunately, there are ways to fix this!

This article will talk about some ways to correct the look and feel of your fixed blade knife so that it resembles a true martial art sword.

Hollow Grind

A less common blade geometry, the hollow grind has the blade’s heel removed and a deeper, concave face created by the longer handle. This change creates a smaller knife with a more consistent thickness throughout.

A variation of this layout is the flat grind, where the edge is thicker than the rest of the blade. Both variations have their benefits and challenges, so there is no wrong way to fix a knife!

The effect is like sanding a piece of wood to a smooth finish, but in blade technologyspeak, that means ridding the blade of sharp features such as serrations or whorls. A razor-sharp edge can then be backinfiltrated by friction and use.

Flat Grind

The term blade grind is used when a knife’sPinterest boarderline® blade is made by having a thinner, more lengthy piece of steel placed onto the bottom of the knife to create a new channel to hold on to and slide against another object.

This can either be by placing a quarter-sized piece of steel or less and then adding a handle or double-grinds such as in a serrated or plain blade. The second grind adds a decorative edge to the knife.

When doing flat grinds, it is important to keep your fingers off the sharpened edge as soon as it is sharp.

Convex Grind

A blade grind style is when the handle has a concave side to it. This creates a deeper channel for the blade to slide in and out of.

The concave side increases the distance the knife travels as it cuts, resulting in more value from your money!

This style of grind is tough to fix because if you do not hold your knife properly, it can roll up into itself and not open up properly. To fix this, you must use a glass beer or wine bottle cutters that are around an inch long. You can get them at craft stores or grocery stores.

Concave Grind

A concave grind has one or more sharp sides that are thicker than the others. This creates a deeper, wider groove in the blade.

The thinner side of the grind is called the serrated side. When you hold the blade with these two sides together, you can feel a deeper, stronger grip.

When you hold a convex knife with its two thin sides together, you can reach into an open/hottee or handle position. This is called curved blade access.

Curved blade access is why most people recommend having at least a convex knife by your campfire: if you have to carry another weapon for protection, you can quickly grab your convex knife and go! http://www.knifemagazine.


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