This standard specifies methods for the calculation of surface durability and tooth strength of cylindrical involute gears for industrial gears. The standard applies to spur, helical, and double helical gears with or without modifications of tooth profile and helix corrections. It primarily applies to oil lubricated gears.
DIN 3990-11:1989 history
1989DIN 3990-11:1989-02 Calculation of load capacity of cylindrical gears; application standard for industrial gears; detailed method
1989DIN 3990-11:1989 Calculation of load capacity of cylindrical gears; application standard for industrial gears; detailed method