What’s a Cold Saw?

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Cold saws are saws that use a circular saw blade to cut various types of metal, including sheet metal. The name of the saw has to do with the action that occurs during the cutting process, which manages to keep both the metal and the blade from getting too hot. A cold saw is powered by electricity and is usually a stationary type of saw rather than a portable type of saw.

Circular saw blades used with a cold saw are often constructed of high-speed steel. Steel blades of this type are resistant to wear even in daily use. The end result is that a number of cutting projects can be completed before the blade needs to be replaced. High speed steel blades are especially useful when saws are used to cut through thicker sections of metal.

Along with high-speed steel blades, a cold saw can also be fitted with a tungsten carbide tipped blade. This type of blade construction also helps resist wear. One of the main differences is that tungsten tipped blades can be re-sharpened from time to time, which extends the life of the blade. This type of blade is suitable for use with sheet metal and other relatively thin designed metal components.

One benefit of using a cold saw is that the metal and blade stay relatively cool during the cutting action. This is due to the way the cut is done. The blade design allows the cut to focus on the chips created during the action. The chips act as a buffer without interfering with the cutting action. As a result, the chips tend to collect the heat generated by cutting. This leaves both the blade and the metal at a cooler temperature.

As part of the chip cutting support that is created with the configuration of the blade’s teeth, a cold saw is usually used in conjunction with some type of water cooling system that allows liquid to flow over the blade during use . This action helps to further cool the blade during use and also helps minimize dust and sparks during the cutting action.

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