Singular point of the spindles

Square mesh sizes (mm)

Normal tolerances

D_max = 1.25D

63

Retentions: 0%

D

50

Retentions ≤ 10%

Intermediate sieve

40

26% < Retentions ≤ 60%

d

25

Retentions ≥ 10%

D_min = 0.63d

16

Retentions ≤ 98%