Durability

Resinoid bonded grinding wheels for freehand applications must be depleted within three years upon manufacture.

Metal ring indicating the date of expiry: V =date of expiry(quarter of manufacture plus 3 years)

Rottluff grinding wheels and discs are developed and tested for particular working speeds and grinding processes. Prior to the fixing of the grinding tool on the machine, it must be ensured that the machine’s nominal speed (as specified on nameplate) does not exceed the maximum operating speed indicated on the grinding wheel or disc.