Circle plate with not reinforced or edge reinforced hole
according to Draft DIN 3840
Input data
Type of hole
not reinforced
edge reinforced
Outside radius of the plate
r
1
mm
Plate thickness
h
F
mm
Radius of the hole
r
0
mm
Middle radius of bolts circle
r
t
mm
Middle radius of gasket
r
D
mm
Inside pressure
p
bar
Gasket force
F
D
kN
Additional hole force
F
0 add
kN
Allowable stress for plate material
σ
all
N/mm²
Calculate
Referenced maximum single moments
due to inside pressure
M
P
kN·m/m
due to hole forces
M
F
kN·m/m
due to border moment
M
M
kN·m/m
Results
Maximum stress in the plate
σ
max
N/mm²
Minimum required plate thickness
h
F min
mm
Warning:
The radius of the hole is invalid!
The hole is too small.
Warning:
The radius of the hole is invalid!
The hole is too large.
Sketch
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