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You are here: -Users Guide-The Diamond Saw Blades Working Principle
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The Diamond Saw Blades Working Principle

Category: Users Guide Issued: admin View:

The working principle of Diamond Saw Blades

Brief description about diamond blades, how they are made, and how they are working.

 

Diamond saw blades come in a variety of sizes, types, and uses, ranging from small 6" blades used in angle grinders to massive 35" blades used in masonry construction. For every type of application there is a blade designed especially for it, which explains the large and still growing diamond blade industry.

 

Diamond saw blades are constructed from two major components: the diamond crystals (of course) and the metal bond or matrix that holds them together. This combination of matrix and diamonds circumscribe the blade, making up the rim. When the blade is being applied to masonry, ceramics, and other uses, the diamonds aid in cutting the material. Diamond crystals exposed at the edge will slowly wear down, along with the bonds that hold them to the blade. The abrasive action of the material being cut erodes the bond exposing new diamonds.

 

Each diamond blade is designed for use on a specific range of materials. If the material being cut is soft or abrasive, the bond on the blade is hard so the bond does not prematurely release the diamonds. If the material being cut is hard or less abrasive, the bond on the blade is softer so the diamonds release before they become too worn to cut. It is very important that the right blade is used for every application; otherwise, damage may be inflicted on the blade, machinery, or in rare cases, the operator.

 

Diamond blades are designed to be used for either wet or dry cutting.  Wet cutting blades use water to cool the blade and flush away the cuttings. Dry cutting blades rely on airflow to cool the blade and remove the cuttings. Dry cutting blades can be used with water to control dust but wet cutting blades cannot be used dry.

 

If used properly, blades will serve out its full useful lifetime.  It is possible, however, to shorten a blade's life.  There are several facts which can lead to diamond blades wearing out prematurely.  These include improper blade application, improper rpm, inadequate water flow, or improper use of dry cutting blades. In addition, a diamond saw blade will stop cutting if the exposed diamonds wear down quicker than the matrix can expose the new diamonds. This can happen if there is improper blade application, failure to allow for proper break-in, insufficient power, or overheating the rim.

 

To insure that you get the most out of your blade, you must take care to avoid damaging the blade in the above stated manner. Because certain blades cut better and last longer on certain materials than other blades, you should select the proper blade for the application.  This will help you get the maximum life out of the diamond blade. For example, do not use a cured concrete blade on abrasive materials such as green concrete or asphalts, which will cause the blade to wear out prematurely. Instead you should use the cured concrete blade on harder or less abrasive materials and leave the green concrete and asphalt to blades with harder bonds.

 

If a blade overheats or suffers a shock from being dropped it can lose its tension.   This will cause the blade to wobble when being used.  This is dangerous and the blade must be replace or repaired before the operator can resume operating the machine.


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