The pores (hollow spaces between adjacent abrasive grains and the bond) serve to provide clearance for coolant penetration and metal chips removed in the grinding process.

When the wheel is rotated at grinding speed and applied to the workpiece, the abrasive grains cut the material that is being ground, removing the material in small chips.

The increase in grinding forces causes either the abrasive to fracture, exposing new cutting edges, or fractures the bond bridges holding the abrasive grains. In the latter case fresh abrasive grains are exposed to cut the workpiece.

In normal vitrified grinding applications, the wheel has to be dressed. By varying the properties of the abrasive, the type of bond, the make-up of the wheel, it is possible to produce grinding wheels with a vast range of different grinding characteristics.

Bench and pedestal wheels are commonly used in tool rooms for all metal removal, deburring, shaping and sharpening applications in the maintenance and repair industry. Norton offers a simple, easily identifiable range of wheels for use on bench and pedestal grinders and on all metal types.

• High quality aluminium oxide with premium vitrified bond
• Precision engineered grit size and hardness for maximum cut rate, finish and wheel life.

• White aluminium oxide with premium vitrified bond
• Precision engineered grit size and hardness for maximum cut rate and cool grinding action on hardened or high-speed tool steels.

• Sharp green silicon carbide
• Precision engineered grit size and hardness for high cut range and finish on non-ferrous metals.