Cableizer
Log in

Diameter of mechanical neutral line

The twisting of three cores are assumed to occur at the mechanical neutral line which is the location where a centre circle divides the cores into 2 equal large parts.

Symbol
$D_{lay,3c}$
Unit
mm
Formulae
$1.29D_i$Type CC
$1.29D_{scs}$Type SC
$1.29D_{shj}$Type SS
Related
$D_i$
Diameter over insulation including insulation screen [mm]
$D_{scs}$
Diameter over screen serving [mm]
$D_{shj}$
Diameter of sheath jacket [mm]
Used in
$F_{lay,3c}$
Effective length per unit lay length of twisted conductors