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    3 Things to Consider When Purchasing a Diamond Grinding Wheel for Carbide

    Updated: February 21, 2024 Published: March 14, 2023

    A diamond grinding wheel refers to a wheel that utilizes diamond abrasive for
    material removal. These synthetic diamond particles are available in a variety of shapes and sizes. Although best for non-ferrous metals, diamond wheels are commonly used in grinding ceramics, glass, carbide, stone, and composites. In this article, we’ll focus on the three main things you need to consider when purchasing diamond wheels that are employed for carbide grinding.

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    First, during abrasive selection, it is crucial to consider the level of friability needed to obtain the ideal cut. To make this decision one must be aware of the cobalt content present in the carbide workpiece. Commonly reported in percentages, typical cobalt levels are anywhere from 3% to 20%. Lower cobalt content will call for a different friability grit than higher cobalt content. Considering this aspect will allow adequate division of abrasive options.

    Next, one must note the desired surface finish after grinding or the anticipated Ra level. Calculated by averaging measurements taken across the surface of a material by way of a profilometer, the Ra or the “roughness average” describes the roughness of a surface in microscopic terms. If a lower Ra surface finish is desired a finer abrasive grit is required, and vice versa. Knowing the required Ra aids in dialing in the correct grit size for an application.

    Finally, distinguishing the size of the workpiece to be ground directly affects the width of the grinding face required. To avoid creating a radius in the wheel face, it is important to ensure the grinding wheel contact area is smaller in width than the workpiece. This will increase wheel life and avoid accidental changes in the geometry of the grinding wheel and tool.

    In synopsis, the most important factors to consider when purchasing a diamond grinding wheel for carbide include knowing the cobalt content present in the carbide workpiece, taking the desired surface finish (Ra) into account, and noting the size of your workpiece compared to the grinding wheel. Utilizing this information will allow for optimal diamond wheel selection in the case of grinding carbide materials.

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    Whether you are looking for general guidance or are ready to get a quote, we are dedicated to helping you find the right solution – and if we can’t provide the exact wheel you need, we will let you know. We hope you’ll explore the ways our team can help your business stay ahead of the competition.