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Diamond Saw Blade Buying Guide

the Difference of Segment Between Diamond Segmented, Continuous Rim and Turbo Blades.
Diamond saw blades are available with different rim or edge configurations including segmented, continuous, and turbo with the type of rim affecting how the blade cuts. The diamond segments or rim are fixed to the blade through the process of brazing, laser welding, or sintering.

Diamond Segmented Blades

Segmented blades typically have medium to hard bonds for a range of wet and dry cutting applications. While these diamond saw blades can offer a relatively smooth cut with a fast cutting speed, chipping may still occur. They are durable and have a long blade life compared to other blades.

They are ideal for cutting marble and granite slabs, concrete, asphalt, brick, block, and other building materials. They are available in a wide selection of diameters from small to large and particularly dominate the 12” diameter and larger market. These diamond segmented blades are commonly used with masonry saws, concrete saws, and circular saws.

The spaces of air that separate the diamond segments are called gullets or slots. The slots are there to improve air flow, cutting materials dust, dissipate heat, and remove slurry from the cut, helping to maintain the saw blade’s cutting performance. The size and shape of the gullets vary from blade to blade and will depend on the type of material the blade designed to cut.

For example, blades for cutting asphalt concrete tend to have wider, U-shaped slots while diamond saw blades for concrete tend to have narrower U-shaped slots or Key hole slot. The more abrasive the material, the wider the slot should be to allow for better heat dissipation. Other slots shapes include teardrop and angled. Segmented diamond saw blades with narrow slots are generally for marble and granite while keyhole shaped slot blades tend to be for general purpose.

Diamond Continuous Rim Blades

Diamond continuous rim blades have softer bonds for cutting hard materials such as tile, porcelain, granite, ceramic, glass, and other materials that can chip easily. These diamond saw blades don’t have individual segments but instead have a solid, continuous rim or edge. Most diamond continuous rim blades are designed for wet cutting applications, providing the smoothest, chip free cuts.

These diamond saw blades are most commonly available in 4” to 14” diameters. The smaller, 4” to 5” diameter saw blades are often used in hand-held grinders while the larger sizes are often used with circular saws and tile saws.

There are also variations of diamond continuous rim blades. The J-slot design is one variation that has J-slots around the edge of the blade to help dissipate heat for increased durability, extended blade life, and faster cutting speeds. Additionally, there are J-slot continuous rim blades available for dry cutting applications. People use J-slot diamond saw blade for cutting marble as well.

Diamond Turbo Blades

Turbo blades typically have soft to medium bonds for a variety of general purpose to specific cutting applications. Diamond turbo blades feature a continuous rim with an edge that is serrated. This serrated edge is designed to the give the blade faster cutting speeds while maintaining a smooth cut, combining the best qualities from both segmented and continuous rim blades.

These turbo diamond saw blades are typically available in sizes that range from 4” to 12” diameters. They can be used in hand-held grinders, circular saws, and tile saws to cut a variety of materials including tile, stone, marble, granite, masonry, and other building materials. Turbo diamond saw blades are available for both wet and dry cutting applications.

Source(s): http://www.chinadiamonddisc.com/

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