Size factor

Symbol ZX
Unit -
Attribute-ID din3991 size_factor_Z_X
Numeric ID 394
Value Type PMDouble

The size factor ZX describes the metallurgic and geometric influence of the size on the flank load carrying capacity.

In ISO 10300, ZX is generally set to 1. If not specified ZX is calculated according to DIN 3991 and YX is calculated according to both specifications depending on the module and material.