Installation and Operational Instructions for EAS
®
-compact
®
Ratchetting clutch, Type 49_._ _0._
Size 4
Synchronous clutch, Type 49_._ _5._
Size 4
(B.4.14.4.EN)
17/03/2021 TK/GC/NU
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Phone: +49 8341 804-0, Fax: +49 8341 804-421
Page 17 of 22
Service Factors for Coupling Dimensioning
V
R
= Resonance factor
n
R
= Resonance speed
n
R
=
30
π
√
C
T dyn.
J
A
+ J
L
J
A
x J
L
[rpm]
f
R
= Resonance frequency
f
R
=
1
2π
√
C
T dyn.
J
A
+ J
L
J
A
x J
L
[1/s]
S
n
= Speed factor
S
f
= Frequency factor
F in Hz
≤ 5
> 5
S
f
1
√
f
5
f shows the load alternation per second (Hz = 1/s)
S
z
= Start-up factor/impact frequency
S/h
0
– 100 101 – 200 201 – 400 401 – 800 801 – 1000
S
z
1
1.2
1.4
1.6
1.8
S
δ
= Safety factor for temperature
T
-30 °C / +30 °C
+60 °C
+90 °C
S
δ
1
1.5
2
S
A
or S
L
= Impact factor
Impacts
S
A
or S
L
Light impacts
1.2
Medium impacts
1.6
Heavy impacts
2.0
Terms
P
AN/LN
[kW]
Drive-side/load-side power
T
R
[Nm]
Transmittable torque (frictional locking,
Tables 8, 9 and 12)
T
AS/AW
[Nm]
Excitational torque, drive end
T
LS/LW
[Nm]
Excitational torque, load side
T
N
[Nm]
System torque
T
W
[Nm]
System alternating torque
T
S
[Nm]
Peak torque
T
max
[Nm]
Maximum torque in the coupling
T
KN
[Nm]
Permitted nominal torque
T
Kmax
[Nm]
Permitted maximum torque
T
KW
[Nm]
Permitted permanent alternating torque
J
A
[kgm
2
] Mass moment of inertia, drive end
J
L
[kgm
2
] Mass moment of inertia, load side
ΔK
a
[mm]
Permitted axial displacement
∆K
r
[mm]
Permitted radial misalignment
∆K
w
[°]
Permitted angular misalignment
∆W
a
[mm]
Axial shaft misalignment
∆W
r
[mm]
Radial shaft misalignment
∆W
w
[°]
Angular shaft misalignment
c
T
[Nm/rad]
Torsional spring rigidity
n
[rpm]
Nominal speed
n
R
[rpm]
Resonance speed
S
A/L
[ - ]
Impact factor, drive end/load side
S
n
[ - ]
Speed factor
S
Z
[ - ]
Start-up factor/impact frequency
S
δ
[ - ]
Temperature factor
S
f
[ - ]
Frequency factor
V
R
[ - ]
Resonance factor
f
[1/s] = [Hz] Load factor
f
R
[Hz]
Resonance frequency
blue: elastomeric element 80 Sh A
green: elastomeric element 64 Sh D
red: elastomeric element 98 Sh A
yellow: elastomeric element 92 Sh A