Sasib Knife Assy Alloy Grinding Wheel

Sasib Knife Assy Alloy Grinding Wheel

Alloy Grinding Wheel is a component of cigarette making machines to sharpen cutting knives.

Specs

Material Hardness

The abrasive aggregate is selected according to the hardness of the material being cut.

Aluminum oxide (A)

Silicon carbide (S)

Ceramic (C)

Diamond (D, MD, SD)

Cubic boron nitride (CBN)

Grinding wheels with diamond or CBN grains are called superabrasives. Grinding wheels with aluminum oxide (corundum), silicon carbide, or ceramic grains are called conventional abrasives.

Consumables

Grinding wheels are consumables, although the life span can vary widely depending on the use case, from less than a day to many years. As the wheel cuts, it periodically releases individual grains of abrasive, typically because they grow dull and the increased drag pulls them out of the bond. Fresh grains are exposed in this wear process, which begin the next cycle. The rate of wear in this process is usually very predictable for a given application, and is necessary for good performance.

Manufacture

Today most grinding wheels are artificial composites made with artificial aggregates, but the history of grinding wheels began with natural composite stones, such as those used for millstones.

The manufacture of these wheels is a precise and tightly controlled process, due not only to the inherent safety risks of a spinning disc, but also the composition and uniformity required to prevent that disc from exploding due to the high stresses produced on rotation.

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