Carbide End Mill Sets

When using a silicon carbide grinding wheel, it has to either be absolutely dry, or have enough coolant to flood both the wheel and tool.

Dry grinding is the method most commonly used because when an operator uses wet grinding, they tend to us an insufficient amount of coolant in order to have a better visual of the grinding operation. Unfortunately, this increases the likely hood of checking or cracking.

However, wet grinding does have several advantages over dry grinding. When sufficient amounts of coolant are used on the wheel: The wheel can be used approximately one grade harder than in dry grinding, which increases the life of the wheel. The use of sufficient amounts of coolant prevents thermal stresses and cracks. There is also less of a tendency for the wheel to load. A dust exhaust system is not required with wet grinding.

When used correctly, both wet grinding and dry grinding provide satisfactory results.

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