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Project ID: G1RD-CT-2002-00735
Finanziato nell'ambito di: FP5-GROWTH
Paese: United Kingdom

Improved CBN grinding wheels for grind hardening and finishing operations

Significant improvement of vitreous bond wheel performance, in terms of life and total energy consumption, for finish grinding has been achieved by development of improved grinding wheel structures and use of new CBN materials.

These same improved wheel structures have been applied to the grind hardening application for the first time and the ability to achieve grind hardened surfaces with CBN has been demonstrated along with the potential to deliver the high grinding ratio required to make the process viable.

However, during the course of the project it was not possible to bring the degree of control required to convert this potential into practical use due to currently inadequate control procedures.

The structure development completed as a result of this project has already been used very successfully in other grinding applications (both high and low stock removal) typically yielding 3 x the parts per dress of standard CBN products whilst maintaining burn free parts and good geometry.

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