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Writer's pictureMrB

The Anatomy of a Bandsaw Blade

Updated: Aug 15, 2023

Hi, Mr. B here! Let's dive into the anatomy of a bandsaw blade so you know a little more about the tool you are using.


Bandsaw blade cutting through wood

Bandsaw blades are essential components of bandsaws, which are power tools used for cutting various materials, such as wood, metal, and plastic, in straight or curved lines. The bandsaw blade is a critical factor in determining the accuracy and quality of your cuts. Let's break down the different parts of a bandsaw blade:



Bandsaw Blade Material


Bandsaw blades are usually made from a variety of materials, including carbon steel, high-speed steel (HSS), bi-metal, carbide-tipped, and even diamond-coated blades for specialized applications. The choice of material depends on the type of material you're cutting and the desired longevity of the blade.


Blade Length


The blade length refers to the total length of the bandsaw blade, measured from the tip of one end to the tip of the other when it is fully extended and laid flat. The blade length determines the size of the material you can cut on your bandsaw.


Blade Width


Bandsaw Blade width is the distance between the two edges of the bandsaw blade. Wider blades are typically used for straight cuts and resawing, while narrower blades are better for intricate curved cuts.


Diagram explaining parts of a bandsaw blade

Teeth


The teeth of a bandsaw blade are responsible for cutting through the material. They come in various shapes, sizes, and configurations, such as hook, regular, skip, and variable. Tooth geometry affects the blade's performance and the type of cuts it can make.


Tooth Set


The tooth set refers to the bending of the teeth alternately left and right to create a wider cut kerf than the blade's body. Proper tooth set helps prevent binding and overheating during cutting.


Tooth Pitch


Tooth pitch is the distance between two consecutive teeth on the bandsaw blade. It affects the aggressiveness of the cut. Coarse pitches are suitable for faster cuts in thicker materials, while finer pitches provide smoother cuts in thinner materials.



Close up of teeth on a bandsaw blade

Gullet


The gullet is the curved area between two teeth where chips and debris are removed during cutting. Sufficient gullet space helps prevent clogging and overheating.


Back of the Blade


The back of the blade is the flat side that rests against the bandsaw's wheels and guides. It provides stability and support to the cutting edge.


Bandsaw Weld


Welds are joints where the ends of a bandsaw blade are joined together to create a continuous loop. Properly welded blades ensure smooth operation and consistent cuts.



Conclusion


Understanding the anatomy of a bandsaw blade will help you select the right blade for your specific cutting needs and maintain it properly for optimal performance. Remember to always follow safety precautions when operating any power tool, including a bandsaw. Happy cutting!


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