INTORQ BFK457 Series User manual

i
Operating Instructions
BA 14.0164
13053267 EN
Spring-applied brakes with
electromagnetic release
INTORQ BFK457- 





2
i
BA INTORQ BFK457 EN 2.0
Product key
INTORQ B F K 4 5 7 - jj
Product group Brakes
Product family Spring-applied brakes
Type
Size
• The data indicated in the product key and on the nameplate and stickers on the packaging are valid for
spring-applied brakes of the series INTORQ BFK457.
Nameplate
Assembly
Field Contents Example
1Manufacturer CE mark
N
D
DD
D-
--
-
A
AA
A
e
ee
e
r
r
r
r
z
z
z
ze
ee
en
nn
n
j
2Brake type
BFK457-08N
N
D
DD
D
-
--
-
A
AA
A
e
ee
e
r
rrr
z
zz
z
e
ee
e
n
nn
n
j
3Rated voltage Rated power
250 V DC 25 W
N
0
0
4
8
0
9
2
5
6
N
M
0
1
0
3
0
5
4Order no.. Rated brake torque Date of manufacture
Nr.: 00480925 6 NM 01.03.05
Packaging sticker
Assembly
Field Example
1Manufacturer Barcode of no.
D
DD
D-
--
-
A
AA
A
e
ee
e
r
r
r
r
z
z
z
ze
ee
en
nn
n
j
2Name Order no.
D
DD
D
--
A
AA
A
e
ee
e
r
rrr
z
zz
z
e
ee
e
n
nn
n
Typ: BFK457-08 Nr. 00480925
j
3Type see Product code Rated brake torque No. per box
FEDERKRAFTBREMSE 6 NM 1 Stück
4Rated voltage Rated power Packaging date
250 V DC 25 W 01.03.05
N
5Addition CE mark
Rostschutzverpackung-Reibfläche fettfrei halten
N

3
i BA INTORQ BFK457 EN 2.0
These Operating Instructions are valid for the following spring-applied brakes:
INTORQ BFK457-01
INTORQ BFK457-02
INTORQ BFK457-03
INTORQ BFK457-04
INTORQ BFK457-05
INTORQ BFK457-06
INTORQ BFK457-08
INTORQ BFK457-10
INTORQ BFK457-12
INTORQ BFK457-14
INTORQ BFK457-16
What is new / what has changed ?
Materal No. Edition Important Contents
00 399 720 1.0 09/1997 TD09 1st edition First edition for preseries
00 399 720 2.0 07/2000 TD09 2nd edition Address revision;
Change of rated data
00 458 071 1.0 09/2002 TD09 1st edition
replaces 399 720
All chapters: Completely revised
Sizes 10 - 16 added to the Operating Instructions
Sizes 06 and 08 modified for spacer user
Change of company name
Basic and compact design
00 000 000 2.0 05/2005 TD09 2nd edition
replaces 458 071
Changeofthefirm’snametoINTORQ
Completely revised, including the sizes 01 and 02.
E2005 INTORQ GmbH & Co. KG
No part of this documentation may be reproduced or made accessible to third parties without written consent by INTORQ GmbH & Co. KG.
All indications given in these Operating instructions have been selected carefully. We will include necessary corrections in subsequent editions.

Contents
4
i
BA INTORQ BFK457 EN 2.0
1 Preface and general information 6...........................................
1.1 About these Operating Instructions ... 6..................................................
1.1.1 Terminology used 6.........................................................
1.2 Scope of supply 6..................................................................
1.3 Drive systems 7...................................................................
1.3.1 Labelling 7................................................................
1.3.2 Application as directed 7.....................................................
1.3.3 Legal regulations 7..........................................................
2 Safety information 8......................................................
2.1 Persons responsible for the safety 8....................................................
2.2 General safety information 8..........................................................
2.3 Layout of the safety information 9......................................................
3 Technical data 10.........................................................
3.1 Product description 10...............................................................
3.1.1 General 11.................................................................
3.1.2 Braking 11.................................................................
3.1.3 Brake release 11............................................................
3.2 Rated data 12......................................................................
3.3 Switching times 14..................................................................
3.4 Operating frequency / friction work 15....................................................
3.5 Emission 16.......................................................................
4 Installation 17............................................................
4.1 Required tools 17...................................................................
4.2 Assembly 18.......................................................................
4.2.1 Preparation 18..............................................................
4.3 Installation 18......................................................................
4.3.1 Installation of the hub onto the shaft 18...........................................
4.3.2 Installation of the brake INTORQ BFK457-01...16, compact design 19......................
4.3.3 Installation of the brake INTORQ BFK457-06...16, basic design 20........................
4.4 Electrical connection 21..............................................................
5 Commissioning and operation 23.............................................
5.1 Operational test 23..................................................................
5.1.1 Release / voltage check 23.....................................................
5.2 During operation 23.................................................................

Contents
5
i BA INTORQ BFK457 EN 2.0
6 Maintenance / repair 24....................................................
6.1 Inspection intervals 24...............................................................
6.2 Inspections 24.....................................................................
6.2.1 Inspection of brake INTORQ BFK457-01...16 24......................................
6.2.1.1 Air gap 24........................................................
6.2.1.2 Releasing / voltage 24...............................................
6.3 Maintenance 25....................................................................
6.3.1 Maintenance of brake INTORQ BFK457-01...16 25....................................
6.4 Spare-parts list 25..................................................................
6.5 Order of spare parts 26...............................................................
7 Troubleshooting and fault elimination 27.......................................

Preface and general information
6
i
BA INTORQ BFK457 EN 2.0
1 Preface and general information
1.1 About these Operating Instructions ...
• These Operating Instructions are intended for safety-relevant operation on and with
electromagnetically released spring-applied brakes. They contain safety information which
must be observed.
• All persons who work on and with electromagnetically relaeased spring-applied brakes must
have the Operating Instructions available and observe all relevant notes and instructions.
• The Operating Instructions must always be in a complete and perfectly readable state.
1.1.1 Terminology used
Brake
In the following text, the term ”spring-applied brake” is used for ”electromagnetically released
spring-applied brake”.
Drive system
In the following text, the term ”drive system” is used for drive systems with spring-applied brakes
and other drive components.
1.2 Scope of supply
• The drive systems are individually combined to the modular design. The scope of supply is
indicated in the accompanying papers.
• After reception of the delivery, check immediately whether the scope of supply matches with
the accompanying papers. INTORQ GmbH & Co. KG does not accept any liability for
deficiencies claimed subsequently. Claim
– visible transport damage immediately to the forwarder.
– visible deficiencies/incompleteness immediately to your INTORQ representative.

Preface and general information
7
i BA INTORQ BFK457 EN 2.0
1.3 Drive systems
1.3.1 Labelling
• Drive systems and components are unambiguously designated by the indications on the
nameplate.
• Manufacturer:
INTORQ GmbH & Co. KG
Postfach 11 03 Wülmser Weg 5
D-31849 Aerzen D-31855 Aerzen
1.3.2 Application as directed
• Drive systems
– are intended for the use in machines and systems.
– must only be used for the purposes ordered and acknowledged.
– must only be operated under the conditions stated in the Operating Instructions.
– must not be operated beyond the indicated power limits.
Any other use shall be deemed inappropriate!
1.3.3 Legal regulations
Liability
• The information, data and notes in these Operating Instructions met the state of the art at the
time of printing. Claims referring to drive systems which have already been supplied cannot
be derived from the information, illustrations, and descriptions.
• INTROQ does not accept any liability for damage and operating interference caused by:
– must not be operated beyond the indicated power limits.
– unauthorized modifications to the controller.
– improper working on and with the controller.
– operating mistakes
– disregarding these Instructions.
Warranty
• Warranty conditions: see Sales and Delivery Conditions of INTORQ GmbH & Co. KG.
• Warranty claims must be made to the INTORQ representative responsible for you
immediately after detecting defects or faults.
• The warranty is void all cases where liability claims cannot be made.

Safety information
8
i
BA INTORQ BFK457 EN 2.0
2 Safety information
2.1 Persons responsible for the safety
Operator
• An operator is any natural or legal person who uses the spring-applied brake on behalf of
whom the drive system is used.
• Theoperatororhissafetyofficerareobliged
– to check whether all relevant regulations, notes, and laws are observed,
– that only qualified personnel work on and with the drive system,
– to ensure that the personnel have the Operating Instructions available for all corresponding
operations and
– to prohibit non-qualified personnel from working with and on the controller.
Qualified personnel
Qualified personnel are persons who are - because of their education, experience, instructions, and
knowledge about corresponding standards and regulations, rules for the prevention of accidents,
and operating conditions - authorized by the person responsible for the safety of the plant to perform
the required actions and who are able to recognize and avoid potential hazards.
(see IEC 364, definition for qualified personnel).
2.2 General safety information
• These safety notes do not claim to be complete. In case of questions and problems please
contact your INTORQ representative.
• At the time of supply the spring-applied brake is state-of-the-art and ensures basically safe
operation.
• The spring-applied brake is hazardous to persons, the spring-applied brake itself and other
properties of the operator, if
– that only qualified personnel work on and with the spring-applied brake.
– that the spring applied brake is not used improperly.
• Spring-applied brakes must be designed so that they comply with their function and do not
cause any hazards to personswhen correctly installed and in fault-free operation as directed.
This is also effective for the interaction with the entire system.
• The spring-applied brake must only be operated in perfect state.
• Retrofittings or changes of the spring-applied brake are generally prohibited. In any case,
INTORQ GmbH & Co. KG must be contacted.
• The friction linings must be carefully protected from grease or oil since even small amounts of
lubricants reduce the brake torque considerably.
• With application conditions according to enclosure IP54, the brake torque will usually not be
reduced. Because of the great variety of applications, it is however necessary to check the
functionality of all mechanical components under the specific conditions.

Safety information
9
i BA INTORQ BFK457 EN 2.0
Possible applications of the spring-applied brake INTORQ BFK457-:
•
No explosive or agressive atmostphere.
• Humidity, no restriction.
• Ambient temperature -20_Cbis+40_C.
• With high humidity and low temperatures
– Take measures to protect armature plate and rotor from freezing.
• Electrical connections must be protected against contact.
2.3 Layout of the safety information
• All safety information given in these Operating Instructions has the same layout:
Signalword!
Note
– The icon characterizes the type of danger.
– The signal word characterizes the severity of danger.
– The note describes the danger and suggests how to avoid the danger.
Warning of danger for persons
Icons used Signal words
Warning of hazardous
e
l
e
c
t
r
i
c
a
l
v
o
l
t
a
g
e
Danger! Warns of impending danger.
P
o
s
s
i
b
l
e
c
o
n
s
e
q
u
e
n
c
e
s
i
f
d
i
s
r
e
g
a
r
d
e
d
:
e
l
e
c
t
r
i
c
a
l
v
o
l
t
a
g
e
P
o
s
s
i
b
l
e
c
o
n
s
e
q
u
e
n
c
e
s
i
f
d
i
s
r
e
g
a
r
d
e
d
:
Death or very severy injuries.
Warning! Warns of potential, very hazardous situations.
Possible consequences if disregarded:
D
e
a
t
h
o
r
v
e
r
y
s
e
v
e
r
e
i
n
j
u
r
i
e
s
Warning of a general
danger
Death o
r
ve
r
yseve
r
ein
j
u
r
ies.
d
a
n
g
e
r
Caution! Warns of potential, hazardous situations.
P
o
s
s
i
b
l
e
c
o
n
s
e
q
u
e
n
c
e
s
i
f
d
i
s
r
e
g
a
r
d
e
d
:
P
oss
i
b
l
e consequences
i
f
d
i
s
r
ega
r
d
e
d
:
light or minor injuries.
Warning of material damage
Icons used Signal words
Stop! Warns of potential damage to material.
Possible consequences if disregarded:
Damage of the drive system/controller or its environment
.
Other notes
Icons used Signal words
Note! Indicates a general, useful note.
If you observe it, handling of the controller/drive system is made easier.

Technical data
10
i
BA INTORQ BFK457 EN 2.0
3 Technical data
3.1 Product description
1.6
1.4
1.1
8.1
3.0
2.0
1.2
5.0
1.1 Stator
1.2 Armature plate
1.4 Spring
1.6 Spacer
2.0 Rotor with friction lining
3.0 Hub
5.0 Flange
8.1 Socket kead screws DIN912
Sticker - nameplate
Fig. 1 Spring-applied brake: INTORQ BFK457-01...16 Compact, completely mounted with rotor and flange
1.6
1.4
1.1
8.1
3.0
2.0
1.2
1.1 Stator
1.2 Armature plate
1.4 Spring
1.6 Spacer
2.0 Rotor with friction lining
3.0 Hub
4.0 Elastic band (shipping bracket)
8.1 Socket head screws DIN912
s
Lü
4.0
Sticker - nameplate
Fig. 2 Spring-applied brake: INTORQ BFK457-06...16 Basic, Stator complete with rotor

Technical data
11
i BA INTORQ BFK457 EN 2.0
3.1.1 General
The spring-applied brake INTORQ BFK457- is a single disc pulley with two friction surfaces. The
brake torque is generated by several (size 01...16) pressure springs (1.4). The brake is released
electromagnetically.
The spring-applied brake INTORQ BFK457- is designed for the conversion of mechanical work
and kinetic energy into heat energy. For operating speeds see chapter 3.2, Rated data. Due to the
static brake torque, the brake can hold loads without speed difference. Emergency braking is
possible at high speed, see chapter 3.2, Rated Data. The more friction work, the higher the wear.
Please take into account that the friction value and thus the torque depend on the speed.
Stop!
The spring-applied brakes INTORQ BFK457, sizes 01 to 16 use spacers (1.6). It is not possible to
readjust the brake in the event of wear. If necessary, the rotor must be replaced.
3.1.2 Braking
When braking, the rotor (2.0), which is moveable on the hub (3.0), is pressed against the friction
surface by the inner and outer springs (1.4) via the armature plate (1.2). The asbestos-free friction
linings ensure a high brake torque with low wear. The brake torque is transmitted between hub (3.0)
and rotor (2.0) via the splines.
3.1.3 Brake release
In braked state, there is an air gap s
Lü
between stator (1.1) and armature plate (1.2). To release the
brake, the stator coil (1.1) is excited with the DC voltage provided. The resulting magnetic force
attracts the armature plate (1.2) towards the stator (1.1) against the spring load. The rotor (2.0) is
released from the spring load and can rotate freely.

Technical data
12
i
BA INTORQ BFK457 EN 2.0
3.2 Rated data
Type Brake torque rated
volue at 

n=100min
-1
M
K1)
[Nm]
Air gap s
Lü
±0,1
[mm]
Tightening torque of the
fixing screws
[Nm]
Moment of
inertial of the
rotor
[kg cm
2
]
Brake mass
[kg]
rated
2)
max. Compact Basic
I
N
T
O
R
Q
B
F
K
4
5
7
0
1
0.12 0.35
0
7
0
0
0
2
5
4
0
2
INTORQ BF
K
457-01 0.25 0.1
+0.08
0.23 0.7 0.00254 0.2 ---
I
N
T
O
R
Q
B
F
K
4
5
7
0
2
0.25
0
.
1
-0.05
0.35
0
0
1
0
0
2
5
INTORQ BF
K
457-02 0.5 0.23 0.010 0.25 ---
I
N
T
O
R
Q
B
F
K
4
5
7
0
3
0.5 0.4
1
3
0
0
2
1
0
4
INTORQ BF
K
457-03 10.3 1.3 0.021 0.4 ---
I
N
T
O
R
Q
B
F
K
4
5
7
0
4
1
0
1
5
0.4
0
0
5
8
0
5
INTORQ BF
K
457-04 20.15 0.3 0.058 0.5 ---
I
N
T
O
R
Q
B
F
K
4
5
7
0
5
20.4
0
1
0
5
0
7
INTORQ BF
K
457-05 40.3
2
8
0.105 0.7 ---
I
N
T
O
R
Q
B
F
K
4
5
7
0
6
40.6 2.8
0
1
3
0
1
1
0
9
INTORQ BF
K
457-06 60.4 0.130 1.1 0.9
I
N
T
O
R
Q
B
F
K
4
5
7
0
8
8
0
2
0.6
5
5
0
4
5
0
1
9
1
5
INTORQ BF
K
457-08 12 0.2 0.45 5.5 0.450 1.9 1.5
I
N
T
O
R
Q
B
F
K
4
5
7
1
0
16 0.7
2
0
0
0
3
8
3
0
INTORQ BF
K
457-10 23 0.5
9
5
2.000 3.8 3.0
I
N
T
O
R
Q
B
F
K
4
5
7
1
2
32 0.8 9.5
4
5
0
0
5
7
4
7
INTORQ BF
K
457-12 46 0.5 4.500 5.7 4.7
I
N
T
O
R
Q
B
F
K
4
5
7
1
4
60
0
3
0.8
6
3
0
0
8
6
7
1
INTORQ BF
K
457-14 90 0.3 0.5
2
3
0
6.300 8.6 7.1
I
N
T
O
R
Q
B
F
K
4
5
7
1
6
80 0.9 23.0
1
5
0
0
0
1
2
0
1
0
0
INTORQ BF
K
457-16 125 0.6 15.000 12.0 10.0
Type Outer diameter
[mm]
Pitch circle
∅[mm] weight
INTORQ BFK457-01 37 32 2xM2.5
INTORQ BFK457-02 47 40 2xM3
INTORQ BFK457-03 58 48
INTORQ BFK457-04 67 58 3xM3
INTORQ BFK457-05 77 66
3
x
M
3
INTORQ BFK457-06 84 72 3xM4
INTORQ BFK457-08 102 90 3xM5
INTORQ BFK457-10 130 112
3
x
M
6
INTORQ BFK457-12 150 132 3xM6
INTORQ BFK457-14 165 145
3
x
M
8
INTORQ BFK457-16 190 170 3xM8
1)
Minimum brake torque when all components are run in.
2)
Minimum air gap, effective value results from the sum tolerances of the single components.

Technical Data
13
i BA INTORQ BFK457 EN 2.0
Type Electrical power
P
20
[W]
Voltage
U
[V]
Coil resistance R
20
[Ω
Ω Ω
Ω]
Brake torque
rated value at

 
n=100min
-1
M
K1)
[Nm]
Brake torque bei 
 
n
0
[Nm]
Maximum speed

 
n
0max.
[min
-1
]
Rated Max. Min. 1500 3000 max. horizontal
INTORQ BFK457-01 524
205
115.3
8413
121.1
8833.7
109.5
7992.4 0.12 0.11 0.10 0.09
INTORQ BFK457-02 6.6 24
205
87.3
6372
91.7
6690.6
82.9
6053.4 0.25 0.23 0.21 0.18
INTORQ BFK457-03 924
205
64.0
5128
67.2
5384.4
60.8
4871.6 0.5 0.45 0.42 0.35
1
2
4
0
0
INTORQ BFK457-04 11.5 24
205
50.1
4205
52.6
4415.3
47.6
3994.8 10.89 0.82 1.34
12400
INTORQ BFK457-05 13 24
205
44.3
3184.2
46.5
3343.4
42.1
3025 21.76 1.62 1.34
INTORQ BFK457-06 20 24
205
28.8
2101
30.24
2269
27.36
1933
4 6
3.5 5.2
3.2 4.8
2.6 3.9
INTORQ BFK457-08 28
25
24
205
20.57
1681
21.6
1807
19.54
1555
8
12
6.8
10.2
6.2 9.3
5.3 7.9 10100
INTORQ BFK457-10 30
33
24
205
19.2
1273
20.16
1356
18.24
1191
16 23
13.3 19.1
12.2 17.5
10.6 15.2 8300
INTORQ BFK457-12 40 24
205
14,4
1051
14.83
1082
13.97
1019
32 46
25.9 37.3
23.7
34
21.1 30.4 6700
INTORQ BFK457-14
50 53 55
24 42
205
11.52 33.28
764
11.87 34.28
787
11.17 33.28
741
60 90
48 72
43.8 65.7
40.2 60.3 6000
INTORQ BFK457-16 55
24 42
205
10.47 32.07
765
10.78 33.03
787
10.16 31.11
742
80
125
63.2 98.8
57.6
90
52.8 82.5 5300
1)
Minimum brake torque when all components are run in.

Technical data
14
i
BA INTORQ BFK457 EN 2.0
Type Brake torque ra-
ted value at


n=100min
-1
M
K1)
Friction work with
one switching opera-
tion
Q
E
Transition fre-
quency
S
hü
Switching times [ms] bei s
Lü rated
Spark suppres-
sor
DC engagement Separation
[Nm] [J] [h
-1
] t
11
t
12
t
1
t
2
Order number
INTORQ BFK457-01 0.12 200 160 2 9 11 17
INTORQ BFK457-02 0.25 400 125 3 5 8 17
INTORQ BFK457-03 0.5 800 100 57.5 12.5 18
INTORQ BFK457-04 11200 90 9 9 18 23
INTORQ BFK457-05 21800 80 10 16 26 35 00045798
INTORQ BFK457-06 43000 79 29 19 48 37 (24V, 42V)
INTORQ BFK457-08 87500 50 60 35 95 42 00045801 (205V)
INTORQ BFK457-10 16 12000 40 35 60 95 100
0
0
0
4
5
8
0
1
(
2
0
5
V
)
INTORQ BFK457-12 32 24000 30 45 53 98 135
INTORQ BFK457-14 60 30000 28 50 57 107 240
INTORQ BFK457-16 80 36000 27 71 50 121 275
1)
Minimum brake torque when all components are run in.
3.3 Switching times
K 14.0583
t
1
Engagement time
t
2
Separation time (up to M = 0.1 M
K
)
t
11
Reaction delay during engagement
t
12
Torque rise time of the brake torque
Fig. 3 Switching times
The transitions from the state without brake torque to the steady brake torque is not without delay.
The engagement times are valid for switching on the DC side with an induction voltage of approx.
5 to 10 times rated voltage. The diagramme shows the delay during engagement t
11
,therisetime
of the brake torque t
12
and the engagement time t
1
=t
11
+t
12
,as well as the disengagement time t
2
.

Technical data
15
i BA INTORQ BFK457 EN 2.0
Disengagement time:
The disengagement time is not influenced by DC or AC switching operations. It can only be
shortened by special equipment for fast-response excitation or overexcitation.
Engagement time
With switching on the AC side, the engagement times are prolonged extremely. They are approx.
10 times longer, connection see Fig. 7.
With the simplest connection of rectifier and brake directly parallel to the motor winding, the
engagement times are prolonged because the motor is switched off but still rotating so that the
brake is excited further. For connection see Fig. 6.
For DC switching, spark suppressors or 24 V and 205 V rated voltage are available. These
suppressors are to be connected in parallel to the contact. If, for safety reasons, for instance with
lifting systems, this type of connection is not allowed, the spark suppressor can also be connected
in parallel to the brake coil. For connection see Fig. 8.
3.4 Operating frequency / friction work
QFrictionwork
S
h
Switching frequency 16
12
10
08
06
05
Q[J]
10
5
10
4
10
3
10
2
10
11010
2
10
3
10
4
S
h
[h
-1
]
04
14
02
01
03
205
Fig. 4 Friction work as function of the operating frequency, size 01...16
S
hperm
=−S
hü
ln

1−
Q
Q
E

Q
perm
=Q
E
1−e
−Shü
Sh

The permissible operating frequency S
hperm
depends on the friction work Q (see diagramme). An
operating frequency of S
h
resultsinthepermissiblefrictionworkQ
perm
.
With high speed and friction work, the wear increases strongly, because very high temperatures
occur at the friciton faces for a short time.

Technical data
16
i
BA INTORQ BFK457 EN 2.0
3.5 Emission
Electromagnetic compatibility
For normal circuits with unsmoothed DC voltage via bridge connection, the spring-applied brake
INTORQ BFK457- complies with thge electromagnetic compatibility EN50081 Teil 1.
Please note, that the entire circuit only complies with the EMC Directive, if it is configured according
to one of the following possibilities:
Circuit: Rectifier Spark suppressor
parallel to AC
voltage
Mains filters
complies with
standard
does not comply with
standard
DC switching <=5 ●
g
Switching operations / minute ● ●
>=5 ● ●
Switching operations / minute ● ●
AC switching <=5 ●
g
Switching operations / minute ● ●
>=5 ●
Switching operations / minute ● ●
Spark suppressor according to coil voltage on request.
Heat
Since the brake converts kinetic energy as well as mechanical and electrical work into heat energy,
the surface heat depends on the operating conditions and the heat dissipation. Under unfavourable
conditions, the surface temperature can reach 130_C.
Noises
The switching noises during engagement and disengagement depend on the air gap “s
Lü
”andthe
brake size.
Depending on the natural oscillation after installation, operating conditions and state of the friction
faces, the brake may squeak during braking.
Others
The abrasion of the friction parts produces dust.
With large loards, the frction face heats up so strongly, that odours may occur.

Installation
17
i BA INTORQ BFK457 EN 2.0
4 Installation
Warning!
Toothed hub or screws must not be lubricated with grease or oil!
4.1 Required tools
Type Torque wrench Insert for hexagon socket screws
Measuring range [Nm] Opening [Inch]
INTORQ BFK457-01 2x1/4” square 50mm long
INTORQ BFK457-02
INTORQ BFK457-03 0.3 - 4 2.5x1/4” square 50mm long
INTORQ BFK457-04
0
.
3
4
2
.
5
x
1
/
4
s
q
u
a
r
e
5
0
m
m
l
o
n
g
INTORQ BFK457-05 3x1/4” square 55mm long
INTORQ BFK457-06
0
5
1
3
3x1/4” square 55mm long
INTORQ BFK457-08 0.5 - 13 4x1/4” square 55mm long
INTORQ BFK457-10
3
4
0
5
x
1
/
2
”
s
q
u
a
r
e
1
8
0
m
m
l
o
n
g
INTORQ BFK457-12 3-40 5x1
/
2” square 180mm long
INTORQ BFK457-14
2
0
1
0
0
6
x
1
/
2
”
s
q
u
a
r
e
1
4
0
m
m
l
o
n
g
INTORQ BFK457-16 20 - 100 6x1
/
2” square 140mm long
Feeler gauge Caliper gauge Multimeter

Installation
18
i
BA INTORQ BFK457 EN 2.0
4.2 Assembly
4.2.1 Preparation
1. Unpack spring-applied brake.
2. Check for completeness
3. Check nameplate data, especially rated voltage.
4.3 Installation
4.3.1 Installation of the hub onto the shaft
Stop!
Square hubs must be used for the sizes 01 and 02!
3.0 Hub
3.1 Circlip
10.0 Endshield
3.0
3.1
10.0
K14.0611
Fig. 5 Installation of the hub onto the shaft
1. Press hub (3.0) onto the shaft.
2. Secure hub against axial displacement (e.g. using a circlip - 3.1).

Installation
19
i BA INTORQ BFK457 EN 2.0
4.3.2 Installation of the brake INTORQ BFK457-01...16, compact design
1. Hub (3.0) installation, chapter 4.3.1.
2. Push spring-applied brake (1.0) onto the hub (3.0). Secure hub against axial displacement
(e.g. using a circlip - 3.1).
3. Bolt the spring-applied brake (1.0) to the endshield using the fixing screws (8.1).
1.
2.
21 3
4. Tighten the screws (8.1) evenly (for torques see the table Rated data, chapter 3.2).
U = X D.C. ±10%
OIL
54
8.1

Installation
20
i
BA INTORQ BFK457 EN 2.0
4.3.3 Installation of the brake INTORQ BFK457-06...16, basic design
1. Mount the hub (3.0), chapter 4.3.1
2. Push the spring-applied brake onto the hub (3.0), secure the hub against axial displacement
with a circlip (3.1).
1.
2.
2
1
3. Tighten the brake fixing screws lightly and remove the shipping brace (elastic band).
4. Tighten the screws (8.1) evenly (for torques see the table Rated data, chapter 3.2).
5. Remove the cheese head screws.
3
5.
5.
3. 4.