All of the energy used in the grinding zone ends up as heat which:

1. Goes into the machine and abrasives.

2. Goes into the work piece.

3. Leaves with the chips and coolant.

In most grinding operations it is practical to put as much energy into the system as possible while putting the minimum amount of heat into the work piece. Heat will not be absorbed to any practical extent by the abrasives. It should not be absorbed by the machine or the work piece, and chips have limited heat carrying capacity.

In a wet grinding operation the coolant must control the temperature of the system. It should be cool and in copious quantities.

In dry grinding the air flow should be properly directed through the grinding zone and be of ample volume.

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