Preface and general information
INTORQ | BA 14.0177 | 04/2016
5
1
Preface and general information
1.1
About these Operating Instructions
❚
These Operating Instructions will help you to work safely with the multi-pole spring-applied brake. They
contain safety instructions that must be followed.
❚
All persons working on or with the multi-pole spring-applied brake must have these Operating Instruc-
tions available and observe the information and notes relevant for their work.
❚
The Operating Instructions must always be in a complete and readable condition.
1.2
Terminology used
1.3
Abbreviations used
Term
In the following text used for
Spring-applied brake
Multi-pole spring-loaded brake
Drive system
Drive systems with spring-applied brakes and other drive compo-
nents
Letter symbol
Unit
Designation
F
R
N
Rated frictional force
I
A
Current
I
H
A
Holding current, at 20 °C and holding voltage
I
L
A
Release current, at 20 °C and release voltage
I
N
A
Rated current, at 20 °C and rated voltage
M
A
Nm
Tightening torque of fixing screws
M
dyn
Nm
Braking torque at a constant speed of rotation
M
K
Nm
Rated torque of the brake, rated value at a relative speed of rotation of
100 rpm
n
max
rpm
Maximum occurring speed of rotation during the slipping time t
3
P
H
W
Coil power during holding, after voltage change-over and 20 °C
P
L
W
Coil power during release, before voltage change-over and 20 °C
P
N
W
Rated coil power, at rated voltage and 20 °C
Q
J
Quantity of heat/energy
Q
E
J
Max. permissible friction energy for one-time switching, thermal param-
eter of the brake
Q
R
J
Braking energy, friction energy
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