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What's in a Wheel? Grinding wheels, regardless of their manufacturer, are made up of three main components: An Abrasive Grain. Aluminum oxide, silicon carbide, zirconia, ceramic alumina, cBN, or diamond are the most common; A Bonding Agent. Vitrified – glass-like bond ; Organic – resin or other agent; Air/Empty Space. Voids or porosity ...
The following chart is an example of the ANSI standard marking system for identifying grinding wheels and other bonded abrasives.
Strong bonds, or hard grades, are recommended for soft materials, small or narrow areas of contact, or longer wheel life. Weak bonds, or soft grades, are preferable for hard materials, such as hard tool steels or carbides, for large areas of contact, or for rapid stock removal.
Total grinding costand productivity will depend on the abrasive selection. GRINDING WHEEL SAFETY Substantially all Norton Company abrasive products meet or exceed industry standards as prescribed by ANSI B7.1 Safety Requirements. The grinding wheels indicated in this chart are vitrified (glass) bonded abrasive products. Although by nature
Grinding wheels are essential tools for wood and metal working. They have a few fundamental requirements. But how do you interpret the specifications of a grinding wheel? Learn to decipher the specification code of a grinding wheel.
What grinding wheel grade should I choose? The grade indicates the relative holding power of the bond, which holds abrasive grains in a wheel. Soft Grades: • For hard materials such as hard tool steels & carbides • For large areas of contact • For rapid stock removal. Hard Grades: • For soft materials • For small or narrow areas on ...
Grade of Grinding wheel. The grade refers to the harness or strength with which the bond holds the abrasive grains of a grinding wheel in place. The Grade is indicated by the English alphabet A to Z. A denotes Softest and Z denotes Hardest Grade. The different grades of the grinding wheel are as follows
Hard-grade wheels are used for longer wheel life, for jobs on high-horsepower machines and for jobs with small or narrow areas of contact. Soft grade wheels are used for rapid stock removal, for jobs with large areas of contact, and for hard materials such as tool steels and carbides.
Whether you’re working with metals, ceramics, or other materials, selecting the right grinding wheel involves considering abrasive material, grit size, wheel grade, structure, bond type, and wheel shape and size.
Grinding wheels comes in various abrasive types, grains, grits, shapes and sizes, and other specification. Here’s a detailed grinding wheel selection guide that you can use in choosing the perfect grinding wheel.