Radius of neutral axis in the rim

Symbol	-
Unit	mm
Attribute-ID	dnv2003 radius of neutral axis in the rim
Numeric ID	915
Value Type	PMTechValue

This must only be specified for thin gear rings with s_r/m_n < 3.5.

Radius of the neutral axis of the gear rim acc. to:

$R = \frac{1}{2} \times (d_{f} + s_{r})$