Correct option is D
Dressing of a grinding wheel is the process of removing clogged material, reshaping the wheel, and restoring its sharpness to ensure efficient cutting action. The most effective tool for this purpose is the diamond dresser.
A diamond dresser consists of a single or multiple diamond points mounted on a holder. When applied against the grinding wheel, it cuts away the dull grains and exposes fresh, sharp grains, improving the wheel’s cutting efficiency.
· Removes clogged debris and restores the wheel’s sharpness.
· Maintains wheel shape for precision grinding.
· Extends the life of the grinding wheel by ensuring even wear.
· Provides a smooth and accurate cutting surface for high-precision machining.
