As met cilindrische pen
Asdiameter d
as
mm
pendiameter d=(0.2...0.3)d
as
mm
Askoppel T
Nm
Naafdikte t
mm
Afschuifkracht F
s
=T/d
as
N
Factor 1 - 0.9d/d
as
N
Schuifspanning in pen τ = F
s
/(π/4 d
2
)
MPa
Vlaktedruk p = T/((d
as
+ t) d t )
MPa
Wringspanning τ = T/(
π/16·(d
as
3
(1-0.9d/d
as
)))
MPa
aanbevolen link
Pendiameter in de reeks 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 16...
Ongeharde cilindrische pen, automatenstaal 95MnPb28, 1.0718, Rm=510 MPa.
Toelaatbare schuifspanning 0.9 Rm, toelaatbare vlaktedruk Rm/3.
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