Grinding Wheel-Definition, Types, Bonding process, Grit, Grade, Structure and wheel Specification

Are you looking for the Grinding Wheel? So today we will study the Definition, Types, Bonding process, Grit, Grade, Structure and grinding wheel Specification. Here you will get the articles of Mechanical Engineering in brief with some key points and you will get to know an enormous amount of knowledge from It. So If you find this articles helpful, please let us know in the comment box, either if any correction required too, also let us know in the comment box.

Grinding Wheel Definition:

These wheels are expendable wheels composing of an abrasive compound. 

A Grinding wheel having multiple cutting edges made up of many hard a particle called as abrasives. The abrasives are crushed to have sharp edges for cutting operation. The abrasive grains are properly mixed with is a suitable bond, which acts as a holder when the wheel in use.
The grinding wheel may be manufactured in one piece or of segments of oppressive blocks build up into a solid wheel.
These wheels are available in different shapes mounted on a different form of Machines for a particular type of work.
Grinding wheels are manufactured with higher geometrical accuracy results in a more uniform and consistent wheel.




Superabrasives make up a special category of bonded abrasives designed for grinding the hardest, most challenging work materials.

Because carbides, high-speed steels, PCD, PCBN, ceramics and some other materials used to make cutting tools can be nearly as hard as conventional abrasives, the job of sharpening them falls to a special class of abrasives-diamond and the CBN, the super-abrasives.

These materials offer extreme hardness, but they are more expensive than conventional abrasives (silicon carbide and aluminum oxide). Therefore, super-abrasive grinding wheels have a different construction than conventional abrasive wheels.

Types of grinding wheels:

There are total 6 Grinding wheels.

Straight Grinding wheels:

Straight wheel are the most common mode of a wheel that is found on pedestal or bench grinders. This is the one widely used for centreless & cylindrical surface grinding operations. As it is used only on the periphery, it forms a little concave surface on the piece. This is used to gain on several tools like chisels. The size of these wheels differs to a great extent, width & diameter of its face obviously depends on the category of its work, machines grinding power.

Cylinder or wheel ring:

A cylinder wheel has no center mounting support but has a long & wide surface. Their width is up to 12″ and is used purely in horizontal or vertical spindle grinders. This is used to produce flat surface, here we do grinding with the ending face of the wheel.

Tapered Grinding wheels:

Tapered Grinding wheel is a straight wheel that tapers externally towards the midpoint of the wheel. As this pact is stronger than straight wheels, it accepts advanced lateral loads. Straight wheel with tapered face is chiefly used for gear teeth, grinding thread, etc.

Straight cup:

This Straight cup wheels forms an option for cup wheels in cutter and tool grinders, having an extra radial surface of grinding is favorable.

Dish cup:

In fact this is used primarily in jig grinding and cutter grinding. It is a very thin cup-style grinding wheel which permits grinding in crevices and slot. 

Saucer Grinding Wheels:

Saucer Grinding Wheel is an exceptional grinding profile used for grinding twist drills and milling cutters. This finds wide usage in non-machining areas, as this saw filers are used by saucer wheels to maintain saw blades. 

Diamond Grinding Wheels:

In diamond wheels industrial diamonds remain bonded to the edge. This is used to grind hard materials like concrete, gemstones & carbide tips. A slitting saw is designed for slicing gemstones like hard materials.

Bond and Bonding Process:

Grit, Grade, and Structure of wheels:

Specification of Grinding wheel:




















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