AS 4820-2006

Adopts ISO 6103:2005 to specify the maximum permissible values of unbalance for various types of grinding wheels in the as-delivered conditions, with an outside diameter equal to, or greater than 115 mm and with a peripheral speed greater than, or equal to 16 m/s. Also specifies a method for measuring the unbalance and a practical method for determining whether or not a grinding wheel is acceptable.