Bonded abrasive products. Permissible unbalances of grinding wheels as delivered. Static testing Ingestion-build-117251 BS EN BS EN 1780-1

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4 General conditions for tests

Bonded abrasive products. Permissible unbalances of grinding wheels as delivered. Static testing Ingestion-build-117251 BS EN BS EN 1780-11 Scope This International Standard specifies the maximum permissible values of unbalances for bonded abrasive wheels with an outside diameter D 125 mm and maximum operating speed vs 16 m s, in the as delivered condition. It also specifies the method for measuring the unbalance and the practical method for testing whether a grinding wheel is acceptable or not. This International Standard is applicable to bonded abrasive wheels in the as delivered