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What is Gun Drilling and When to Use it?

by Yolando B. Adams

Gun drilling is one of the best ways to make holes in materials like metal and plastic.

This process uses a small drill bit mounted in a gun barrel, then spun at high speeds. The bit cuts away the material around it, creating a hole.

This article will take a closer look at gun drilling and how it works. We’ll also discuss some of the benefits of using this method and when it’s the best option to use.

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What is gun drilling?

Gun drilling is a machining process that creates precise, deep holes in various materials. It can be used to drill through metal, wood, plastic, and even glass.

Gun drilling gets its name from the fact that it was originally developed for use in gun barrels.

The process begins with a small, pointed drill bit mounted on a long, slender shaft. The drill bit is inserted into the workpiece and rotated at high speed.

As the bit spins, it generates heat and friction, which causes it to bore into the material. Depending on the application, the hole may be straight or tapered.

Gun drilling is an extremely precise machining method, and it can produce holes with tolerances of less than 0.001 inches.

In addition, the smooth walls of the hole minimize the need for post-machining treatments such as honing or polishing.

As a result, gun drilling is an ideal choice for applications that require extreme precision and a high degree of surface finish.

The benefits of gun drilling

Gun drilling is a type of deep hole drilling that offers several advantages over traditional drilling methods.

For one, gun drilling produces a small diameter hole with extremely smooth walls. This is thanks to the cutting action of the drill bit, which delivers a high torque level and cuts chips rather than producing them.

As a result, gun drilling is an excellent choice for applications where tight tolerances and smooth surfaces are critical.

Gun drilling produces little to no burrs or other imperfections, making it ideal for precision machining applications.

Finally, gun drilling is very efficient, meaning it can be completed in a shorter time than other methods.

These advantages make gun drilling an increasingly popular choice for many industries.

The bottom line: So, is gun drilling the best option?

Gun drilling is often the best option when manufacturers require precision holes for applications such as hydraulic cylinders or jewelry.

In addition, gun drilling can be performed on a variety of materials, including both ferrous and non-ferrous metals.

As a result, this versatile machining process is an important tool in the manufacturer’s arsenal.


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