Abrasives Used in Grinding Wheels
An abrasive is a material used to polish and grind objects. There are many ways to use abrasives, making it a versatile and popular tool. Today we will be discussing various types of abrasives, the difference in roughness, and what their use.
To begin, there are two types of abrasives— coated and bonded abrasives. Coated abrasives have grits and grains which are layered. A good example of this would be sandpaper. This type of abrasive can adhere to sheets, discs, rolls etc. The second type is the bonded abrasive, which is when the grains are attached with a bonding solution to support the surface when it is being cut.
Now we will discuss the common types of grinding wheel abrasives.
1. The most common type of grinding wheel abrasive is aluminum oxide. This can be used on just about anything from iron, bronze, and alloy steel. And with the many different specifications and kinds of aluminum oxide, you will surely find the best fit for your needs.
2. A very rough grinding abrasive is zirconia alumina, this is used for the roughest and toughest of cutting. It is created by a mixture of steel and steel alloys which makes a powerful surface.
3. Silicon carbide is an extremely sharp surface. This surface will cut anything, including rubber, stone, cast iron, and more. This surface needs to be replaced very often due to the brittleness.
4. Ceramic aluminum oxide is a top of the line grinding surface. This abrasive takes grinding to the next level. A fantastic feature of this is that the grains break down, yet the surface stays quite sharp. It is the best type of abrasive when working with the hardest metals or with precision grinding.
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