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Electroplated diamond cutting blades are the workhorses of the concrete cutting business. They’re fast cutters, comparatively inexpensive, and can be used in a variety of applications, both wet and dry. But when the job gets tough, vacuum brazed diamond blades come to the rescue—sometimes literally.

Brazing is a technique for joining two objects using a metal filler that melts and binds the objects together. It’s a similar process to soldering except that it’s done at higher temperatures to create a much stronger bond. Unlike welding, brazing doesn’t heat the pieces to be joined to their melting point, allowing different materials to be joined—in the case of cutting tools, diamonds to metal.

There are many different brazing techniques, several of them using fluxes similar to soldering. Vacuum brazing is done in a vacuum oven, offering two advantages for making cutting tools. First, the vacuum eliminates the need for a flux, making a cleaner bond with higher strength and integrity. Second, because the oven’s temperature is controlled, there is less heating and cooling stress on the material while allowing it to be heat-treated for better strength. This results in a blade that, while not quite as aggressive as an electroplated one, can withstand extreme operating conditions in which an electroplated blade would be too fragile.

Vacuum brazed diamond blades are particularly suited for softer stones like marble and limestone, and for aggressive, fast cutting of hard materials such as metal, ductile iron, PVC and other materials too hard for other blades. This makes vacuum brazed blades such as the Rescue A2Z Vacuum Bonded High Speed Diamond Blade the first choice for rescue and emergency cutting, as well. And like electroplated tools, they can be stripped and re-plated, an advantage for complex and expensive tools.

Ace Cutting Equipment & Supply has an extensive selection of blades, bits and cutting tools to match the needs of any cutting job. Look through the selections on our website to find the one that’s right for you. And if you have any questions, our cutting experts are just a phone call or email away.

Whatever your concrete cutting, coring, and finishing requirements may be, equipment and tools from Ace Cutting Equipment are your choice for top-quality results. They ensure a professional job with results you’ll be proud to show off.