Mesh Opening/Aperture Width, w
Distance between two adjacent warp or weft wires, measured in the projected plane at mid positions (see figure 1)
- Wire Diameter, d
Diameter of the wire in the wire screen (see figure 1)
- Pitch, p
1) Distance between the middle points of two adjacent wires
2) Nominally the sum of the aperture width ‘w’ and the wire diameter ‘d’ (see figure 1)
- Open Screening Area, Ao
1) Percentage of the surface of all the apertures in the total screening surface
2) Ratio of the square of the nominal aperture width ‘w’ and the square of the nominal pitch ‘p’
p = (w+d), rounded to a full percentage value:
