What is continuous rim vs segmented diamond blade and Why Do We Use Them?

Continuous Rim and Segmented Blades: What's the Difference?

Devour tools offers a good selection of standard blades, premium blades, and bits. If you need a metal cutting blade, no worries. If tile blades are what you are after, just ask. We have what you need for nearly any application. Just make sure you know the difference between a continuous rim and segmented blade. After all, you want to choose the right blade for the job.

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Blade Construction: Continuous Rim vs. Segmented

The most significant distinction between continuous rim and segmented blades lies in their construction, which is readily observable to the naked eye. A continuous rim blade is a solid piece with a seamless cutting edge encircling its entire circumference. In contrast, a segmented blade is divided into multiple segments, with incorporated notches. The presence of just three or four notches in a segmented blade can drastically affect its performance, offering differing cutting styles and efficiencies.

More About Segmented Blades

We'll focus our discussion specifically on diamond blades from this point forward. Segmented diamond blades provide ample cutting surfaces capable of handling demanding tasks. These blades are typically preferred for materials like concrete, brick, masonry block, and reinforced concrete. They deliver quick and rough cuts with minimal fuss.

The segmented blade, however, is not suitable for precision work. Nevertheless, it can be utilized for both wet and dry cuts. One of the key benefits of a segmented blade is that it doesn't require a liquid coolant. The blade's notches channel air to cool it during operation. Additionally, these notches facilitate easier debris clearance from the cutting path.

Segmentation also contributes to greater efficiency in cutting through materials like concrete. However, the blade’s notches increase the risk of chipping, especially with delicate materials such as marble, granite, and brick. Operators should always wear safety glasses and other protective equipment to mitigate these risks.

More About Continuous Rim Blades

Continuous rim blades are generally softer-bonded and used for precision cutting tasks. They are the preferred choice for cutting materials like porcelain, glass, granite, and tile, which are prone to chipping when cut with segmented blades. Continuous rim blades can be used in both wet and dry conditions, although wet cutting is usually recommended.

Wet cutting with a continuous rim blade not only cools the blade but also extends its lifespan by continuously flushing away dirt and debris. This results in reduced friction and heat generation during the cut, which in turn prolongs the life of the diamond blade.

Additionally, continuous rim blades are designed to operate at lower speeds, yielding much cleaner cuts that are suitable for precision work.

Always Consider Blade Hardness

Whether you opt for segmented or continuous rim blades, it is critical to consider blade hardness. This refers to the bond between the blade surface and the affixed diamonds. Bond hardness is typically classified as soft, medium, or hard. A harder bond leads to slower diamond exposure rates. Gradual diamond exposure is a natural process and essential for maintaining blade efficiency.

Softer bonds are ideal for cutting hard, dense materials like porcelain and tile. On the opposite end, harder bonds are better suited for more porous materials like concrete and asphalt, as these surfaces can rapidly wear down softer bonds.

Never hesitate to ask questions about our segmented and continuous rim diamond blades. Our team is always ready to help you select the right blade for your specific needs.

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