WITTUR WSG-SF Series, Operating Instructions Manual

Page: 79 / 112

Subject to changes without notice ! Änderungen vorbehalten !
Gearless Lift Machine
WSG-SF
Operating Instructions
EN
Code: GM.8.004284.EN
Date: 28. Jan 2020
Version: 0.16
Page: 79
Technical specifications
INTORQ | BA 14.0214 | 09/2017 18
3.3 Rated data (design data)
Abb. 2 Operating/switching times of the spring-applied brakes
1)
Minimum brake torque with run-in friction components at  n=100 r/min
2)
Typical values
3)
Measured with induced voltage limitation of -800 V DC
4)
Max. speed according to EC-type examination certificate (for higher speeds, consultation with the manu-
facturer is required)
Disengagement time
The disengagement time is not influenced by DC or AC switching operations.
t
1
Engagement time t
11
Reaction delay of engagement
t
2
Disengagement time (up to M = 0.1 M
dyn
) t
12
Rise time of the braking torque
M
dyn
Braking torque at a constant speed of rotation U Voltage
Type
Rated torque 1)
Max. perm.
Switching energy
Transitional operat-
ing frequency
Switching times [ms]
at s
LN
and 0.7 I
N
2)
Max. speed 4)
M
K
Q
E
S
hue
Engaging
DC side 3)
Disengaging
[NM] [J] [1/h]
t
11
t
12
t
1
t
2
n
max
[rpm]
BFK464-18 R 2x280 60000 20 33 100 133 150 900
BFK464-20 R 2x450 80000 19 27 138 165 180 900
Tab. 3: Switching energy - operating frequency - switching times