Concrete Cutting: Understanding Factors Affecting Blade Longevity

Concrete cutting is an important process in the modification of building structures constructed using concrete or masonry materials. Typically, this task is performed using a concrete saw, which can be a simple handheld tool or even walk-behind machine. This type of equipment is usually fitted with a diamond saw blade. The component provides the power required to cut into cured construction surfaces. In general, diamond blades are designed and manufactured to provide long-term service. However, their lifespan can vary considerably depending on different conditions. Here are the most crucial factors which will affect the longevity of your concrete saw blade.

Construction Material

The longevity of the concrete blade will be affected by the construction material. In simple terms, all concrete surfaces are not equal in terms of strength. The structural toughness will depend on factors such as the included aggregate and reinforcing materials. If the concrete surfaces to be cut are relatively soft, the blade will last longer. You should also note that the lifespan of the blade can be shortened if the concrete saw is used on a material it is not designed to handle. For example, a saw designed for concrete only will cut asphalt but this will shorten its lifespan.

Blade Structure

In general, a diamond blade consists of different components which will affect its performance. Therefore, you should assess the general structure of the blade during selection to ensure that you have a resilient tool. The most important aspect to evaluate with regard to the blade fabrication is the bond between the diamonds and the steel core. If the bond between the two components is weak, the blade will fail prematurely.

Normally, the bond between the crystals and the steel is created by sintering. This process uses a special metal matrix in conjunction with heat and pressure to create the connection. Wholly sintered blades are prepared in a furnace, so the blade will be strong but the steel is often prone to deformation. For better performance and durability, choose laser welded diamond blades or silver brazed alternatives.

Usage Habits

Finally, your usage habits will affect the longevity of your concrete cutting blade. Simply speaking, if the tooling is not utilised in accordance with the manufacturer's instructions, the blade is likely to express undue mechanical stress and subsequent premature failure. For example, diamond concrete saws are designed to cut by using water as a lubricant and cooling aid. If you use this tool for dry sawing, the diamonds will wear away quickly and the steel call will sustain damage.