Grinding Wheel Grit Type

Cutting and grinding wheel types. Grit refers to the size of the abrasive particles embedded in the wheel a coarse 10 grit wheel uses abrasive particles that were sifted through a screen with ten holes per linear inch whereas a 120 grit wheel uses finer abrasive particles that have been passed through a screen with 120 holes per inch. A grinding wheel is a precision tool with thousands of cutting points on its surface abrasive grains that are held in place by a bond matrix hence these are known as bonded abrasives and separated by pores.

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Grinding wheel grit type.

A great wheel type for light cut off work. Used for 90 degree angle cutting. A represents aluminum oxide which is by far the most common type of abrasive in typical grinding wheels. Wheel types are made by chaning a wheel s shape and or thickness.

An all around edge grinding wheel. Home grit chart of grinding wheels. R stands for ruby which is a very hard grade of aluminum oxide designed for tough tool steels. Grit chart of grinding wheels.

Used for flat surface and edge grinding. Grit chart of grinding wheels brian zhao 2019 12 25t09 25 09 08 00. Cutting tool industry. Grits generally are between 32 and 220 grit.

Grinding wheel grit chart grit size and surface finish. See the grain size chart below. A o also means aluminum oxide. These pores are hollow spaces between abrasive grains and the bond which help with the clearance of discarded metal chips in the grinding.

46 stands for the grit size. Vitrified bond grinding wheel. Rpm is the revolutions per minute or maximum operating speed not all specifications will show this. A36 a means it is an aluminum oxide grinding wheel and the 36 means the grinding wheel is composed of a medium grain size also known as grit.

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