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Norton Dish Grinding Wheels For Precision Grinding

£34.30£148.42 +VAT

Dish grinding wheels look like cup wheels but are shallow and have a thinner surface edge. Their narrow shape allows them to fit into tight crevices a cup wheel would never be able to reach. They are otherwise used for the same applications as a cup wheel.

SKU: Norton Dish Grinding Wheels For Precision Grinding Categories: , ,

Description

What Is A Grinding Wheel?

A grinding wheel is a precision tool with thousands of cutting points. It consists of abrasive grains held in a matrix of bond and separated by pores. The abrasive grains are the cutting points while the purpose of the bond is to hold the individual grains together.

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.

Under the action of the forces imposed during grinding, the abrasive cutting points are worn flat, resulting in the points becoming blunt. This causes an increase in friction, and a build-up of heat.

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.

Why Use A Dish Grinding Wheel?

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Dish grinding wheels look like cup wheels but are shallow and have a thinner surface edge. Their narrow shape allows them to fit into tight crevices a cup wheel would never be able to reach. They are otherwise used for the same applications as a cup wheel, commonly including cutter grinding and jig grinding.

NORTON DISH GRINDING WHEELS ARE AVAILABLE IN FOUR GRAIN TYPES

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• 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.
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• A blend with a low concentration of ceramic grain for good performance in a number of applications
• Harder and sharper than conventional abrasive grains for good cutting capabilities
• Very versatile for use on a number of steels
• Suitable for low to medium power machines
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• Traditional ceramic microstructure grain
• High concentration of SG ceramic aluminium oxide abrasive for high removal rate and extended wheel life
• Unique, microcrystalline structure is self-sharpening for long product life
• Very good cutting capabilities on very hard steels
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• Engineered microcrystalline ceramic grain
• A perfect blend of sharp grains for the ultimate free cutting action
• Unique, microcrystalline structure is self-sharpening for long product life
• Can be used in all low, medium and high force applications
• Reduces the need for dressing

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Additional information

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