When to Use diamond saw blade for stone cutting manufacturers？

Cutting stone like granite requires a diamond saw blade because of the hardness of the material. Same for other types of stone, like marble and slate, as well as concrete, brick, or ceramic tile. 

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Granite may be one of the hardest stones, but diamond is the absolute hardest known natural material. It can cut through anything. That's why we use it in our Timberline® Diamond Saw Blades for Concrete and Masonry.

These circular steel blades have diamond-impregnated grit on the rims, containing a mixture of metal powder, diamond powders and industrial diamonds of different sizes and qualities, depending on the different types of material to cut.

And by "cut" we really mean, grind. 

When cutting stone with a diamond-impregnated saw blade, the process is more like grinding than traditional cutting. The diamonds embedded in the blade grind away the material as the blade moves through the stone. 

It's a subtle difference, but with saw blades, cutting typically implies a shearing or slicing action, where the material is separated by a sharp edge.

In contrast, grinding implies wearing away the material through abrasion or friction. The action of a diamond-impregnated saw blade on stone is more about abrasion, making "grinding" a more accurate description of the process.

Why does this matter? Because, cutting stone (/grinding stone) creates a LOT of dust. 

So. Much. Dust. 

If you cut it dry, you definitely want to work outside in a well-ventilated area. 

You can also use a wet saw to reduce the dust, which has the added benefit of keeping your blade cool, preventing overheating and reducing friction. 

But, the water will mix with the dust, creating a sludge which will drip down to your floor. (And there will still be some dust, anyway.)

If you use a wet saw, you probably also want to work outside, or, if you can't - lay down a tarp.

Either way, make sure you use a mask, safety glasses, and hearing protection.

There are 3 basic types of diamond-impregnated saw blades: 

Continuous Rim Diamond Saw Blades

Continuous rims are better on ceramic and other material where chipping can be a problem. Ours provide ultra smooth, chip-free cutting in ceramic tiles, as well as marble and even porcelain.

The individual diamond crystals exposed on the edge and sides of the rim do the cutting.

As you push the rotating blade into the surface of the material, the diamonds cut/grind a groove in the material. While the blade cuts, the material exerts wear on the blade exposing the diamond grit on the rim. This causes the diamond grit to wear away and expose more diamond grit underneath, thus grooving the material.

Segmented Rim Diamond Saw Blades

Segmented blades are ideal for cutting concrete block, concrete, concrete pavers and other abrasive materials. The more abrasive the material the faster the tendency to wear down the rim.

They can also be used on slate, or granite. However, the cut might not be as smooth as with a continuous blade.

They provide the longest life at the lowest cost per cut. The segmented gullets provide faster, cleaner and cooler cuts. These blades should be used only where chipping is not a problem.

Turbo Diamond Saw Blades

Turbo Diamond blades offer the best of both worlds. 

This is a combination of the continuous and segmented designs. It has a serrated or wavy rim that gives faster cutting speed and provides a somewhat smoother cut than a purely segmented blade.

They are ideal for cutting concrete, brick, pavers, as well as slate, granite and marble.

These diamond saw blades are sintered with a serrated cutting edge to stay in constant contact with the material.

They produce a smoother cut than the segmented blades, but, they have a longer life than the continuous rim blades.

Sinter, Who?

In the context of diamond tooling (like a saw blade), "sintered" refers to a process by which the diamond grit is embedded into the tool through a heating method, but without fully melting the base material.

This creates a strong bond between the diamonds and the tool's matrix. A sintered blade typically offers a longer life because as the outer layer wears away, new diamond grit is exposed, allowing for continued cutting.

For more information, please visit diamond saw blade for stone cutting manufacturers.

Trust us - it's a good thing. 

Serrated, What?

A serrated cutting edge is a blade edge that is not smooth but has teeth or grooves.

This design is somewhat of a hybrid between a continuous rim and a segmented rim. A serrated edge can help with faster cutting and better cooling of the blade.

It provides a combination of speed (like you'd get with a segmented blade) and a smoother cut (like you'd get with a continuous rim).

Additional Considerations:

Safety Precautions: Cutting stone can be hazardous, so it&#;s important to wear appropriate personal protective equipment, including safety glasses, ear protection, and a dust mask if dry cutting.

It&#;s also important to ensure that the stone is properly secured to prevent movement during cutting.

Blade Speed: The speed at which the blade is operated affects the efficiency of the cut. Operating at the recommended speed for the blade and material is important to achieve optimal results and prevent blade damage.

Blade Wear: Over time, the diamond particles on the blade wear away and become less effective. Regularly checking the blade for wear and replacing it as needed is essential to maintain cutting efficiency.

Machine Type: Diamond-impregnated saw blades can be used on a variety of machines, including handheld cutters, table saws, and large stationary cutting machines, depending on the size of the stone and the type of cut required.

Always read and follow the operating and safety instructions in the power tool owner&#;s manual before using.

Before choosing the right diamond blade for your application, it&#;s helpful to know how they are made and how they work. Having this knowledge will ensure a successful experience on your jobsite.

How are Diamond Blades Made?

Diamond blades are made up of two components: the steel core and the segment.

1. Steel Core: Support Part

The core is typically a round flat metal disc used to support the outer segments. The diamond can be attached to the core using vacuum brazing, sintering, or laser welding.  

Vacuum Brazed or Sintered Attachment 

The process level used to manufacture the core is related to the attachment methods. Lower cost, higher volume blades use either a vacuum brazed or sintered attachment process. Vacuum brazed and sintered blades are intended for dry cutting soft material on low horsepower equipment. The cores used for these blades are typically very simple and do not undergo many of the steps of the blades for more aggressive applications.

Laser Welded Attachment

Of the three most common forms of attaching the segments to the core, and by far the method that yields the strongest bond to the core, is laser welding. As the pioneer in laser welding, Norton continues to develop and perfect laser welding techniques. The more aggressive applications for diamond blades involve the use of higher horsepower equipment wet cutting harder materials to much greater cut depths. The steel cores for these aggressive applications are thicker, heat-treated, precision-ground, and tensioned. The additional thickness and heat treatment allows the core to withstand the flexing stress of the heavier equipment and higher horsepower. The precision grind on the surface minimizes the drag while the tensioning establishes the flatness of the blade at a specific rpm range.  

2. Segment: Cutting Part

The segment is made up of two components: diamond and metal bonds.

A. Diamond Crystals (Cut)

The diamond used is manufactured or synthetic as opposed to natural. Manufactured diamond is preferred over natural diamond because key characteristics like crystal shape, size, and strength can be closely controlled through the manufacturing process. The ability to control the key characteristics of the synthetic diamond allow for accurate prediction of cutting speed and blade life as well as consistent repeatability. Some other important factors to consider about diamond are the:

• Amount of diamond in the segment
• Quality of the diamond in the segment
• Size of the diamond in the segment  

Size of the Diamond

Finally the last thing to consider is the size of the diamond. The individual&#;s diamond sizes are specified in mesh ranges like 25-35 or 50-60. The higher the numbers the finer the individual particles. In practical application finer diamond is used for critically-hard material like Chert or Quartz while the larger more coarse diamond is used for soft materials like asphalt and soft red clay bricks.

B. Bonding System (Wears)

The bond is a mixture of metal powders used in various combinations to achieve specific wear rates. A correctly-formulated bond holds the diamond in place, just long enough to get maximum use from the diamond points before releasing the stone and exposing the next layer of diamond.  

The wear rate for the segment can be simplified to the ability of a metal to resist wear from abrasion. Metals with low abrasion resistance like bronze are considered soft. The soft bonds are mostly made up of soft metals like Bronze and are common when cutting very hard less abrasive material like porcelain. The hard bonds are mostly made up of hard metals like Tungsten Carbide and are common when cutting very soft abrasive materials like asphalt or freshly poured concrete.  

The best way to remember bond-to-material application is &#;opposites attract&#; - hard bonds for soft abrasive materials while soft bonds are used for hard less abrasive materials. In some extreme cases, it is possible to simply judge the hardness of the blade by noticing the color of the segment. Because soft blades contain a majority of Bronze, the soft blades for extremely hard materials will have a yellow tint to the segment.

How Do Diamond Blades Work?

Diamond blades don&#;t cut, they grind!  The exposed diamond crystals do the grinding work. The metal matrix or bond holds the diamonds in place. Trailing behind each exposed diamond is a &#;bond tail&#; which helps to support the diamond. As the blade rotates through the material the exposed surface of the diamonds grind the material being cut into a fine powder.

If you are looking for more details, kindly visit Diamond Core Drill Bits China factory.