FLENDER BNN, BIPEX-S, BGG, BHH, BCS Operating Instructions Manual
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FLENDER COUPLINGS
BIPEX-S
Operating Instructions 3410en
Edition 10/2017
BNN, BGG, BCC, BHH, BKK, BCS, BHH-W
21.09.2017 12:18
V6.00
FLENDER COUPLINGS
BIPEX-S
3410en
BNN, BGG, BCC, BHH, BKK, BCS, BHH-W
Introduction
1
Operating Instructions
Safety instructions
Description
Application planning
Assembly
Commissioning
Operation
Servicing
2
3
4
5
6
7
8
Service and support
Disposal
Spare parts
Technical data
9
10
11
A
Edition 10/2017
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will be
used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to property
damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions. Qualified
personnel are those who, based on their training and experience, are capable of identifying risks and avoiding
potential hazards when working with these products/systems.
Proper use of Flender products
Note the following:
WARNING
Flender products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended or
approved by Flender. Proper transport, storage, installation, assembly, commissioning, operation and maintenance
are required to ensure that the products operate safely and without any problems. The permissible ambient
conditions must be complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of Flender GmbH. The remaining trademarks in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software described.
Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the information in
this publication is reviewed regularly and any necessary corrections are included in subsequent editions.
Flender GmbH
Alfred-Flender-Straße 77
46395 BOCHOLT
GERMANY
Document order number: 3410en
Ⓟ 09/2017 Subject to change
Copyright © Flender GmbH 2016, -,
2017.
All rights reserved
Table of contents
1 Introduction...................................................................................................................................................9
1.1 About these instructions...........................................................................................................9
1.2 Text attributes..........................................................................................................................9
1.3 Copyright..................................................................................................................................9
2 Safety instructions......................................................................................................................................11
2.1 General information................................................................................................................11
2.2 Intended use..........................................................................................................................12
2.3 General warning notices........................................................................................................13
3 Description..................................................................................................................................................15
4 Application planning...................................................................................................................................23
4.1 Transport of the coupling.......................................................................................................23
4.2 Storage of the coupling..........................................................................................................23
5 Assembly....................................................................................................................................................25
5.1 Preparatory work....................................................................................................................25
5.2 Assembling the coupling........................................................................................................26
5.2.1 Assembling the coupling parts...............................................................................................26
5.2.1.1 Attach the coupling part N (1) with parallel key to the shaft...................................................26
5.2.1.2 Attaching coupling part G (2), C (3), H (4) or K (5) to the shaft with a clamping connection......27
5.2.1.3 Attach coupling part S (6) to the hollow shaft with a clamping connection............................27
5.2.2 Plug-in assembly of the coupling halves................................................................................28
5.2.2.1 Plug-in assembly of types BNN, BGG, BCC, BHH, BKK and BCS........................................28
5.2.2.2 Plug-in assembly of type BHH-W...........................................................................................28
5.3 Aligning the coupling..............................................................................................................29
5.3.1 Purpose of alignment.............................................................................................................29
5.3.2 Possible misalignment...........................................................................................................29
5.3.2.1 Axial misalignment.................................................................................................................30
5.3.2.2 Angular misalignment.............................................................................................................30
5.3.2.3 Radial misalignment...............................................................................................................30
6 Commissioning...........................................................................................................................................31
7 Operation....................................................................................................................................................33
7.1 Normal operation of the coupling...........................................................................................33
7.2 Faults - causes and rectification.............................................................................................33
7.2.1 Procedure in the event of malfunctions..................................................................................33
7.2.2 Identifying the fault cause......................................................................................................33
7.2.2.1 Possible faults........................................................................................................................34
7.2.2.2 Possible causes.....................................................................................................................35
7.2.3 Correcting faults.....................................................................................................................36
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Operating Instructions 10/2017 5
Table of contents
7.2.3.1 Replacing wearing parts.........................................................................................................36
7.2.3.2 Correcting the changed alignment.........................................................................................37
8 Servicing.....................................................................................................................................................39
8.1 Maintenance intervals............................................................................................................39
8.2 Maximum permissible torsional backlash...............................................................................40
8.3 Replacing wearing parts.........................................................................................................40
8.4 Removing coupling part N (1)................................................................................................41
8.5 Removing coupling part G (2), C (3), H (4) or K (5)...............................................................42
8.6 Removing coupling part S (6).................................................................................................42
9 Service and support....................................................................................................................................43
9.1 Contact...................................................................................................................................43
10 Disposal......................................................................................................................................................45
11 Spare parts.................................................................................................................................................47
11.1 Ordering spare parts..............................................................................................................47
11.2 Spare parts drawing and spare parts list................................................................................48
11.2.1 Type BNN...............................................................................................................................48
11.2.2 Type BGG..............................................................................................................................49
11.2.3 Type BCC...............................................................................................................................50
11.2.4 Type BHH...............................................................................................................................51
11.2.5 Type BKK...............................................................................................................................52
11.2.6 Type BCS...............................................................................................................................53
11.2.7 Type BHH-W..........................................................................................................................54
A Technical data............................................................................................................................................55
A.1 Speeds, geometry data and weights......................................................................................55
A.1.1 Type BNN...............................................................................................................................55
A.1.2 Type BGG..............................................................................................................................56
A.1.3 Type BCC...............................................................................................................................57
A.1.4 Type BHH...............................................................................................................................58
A.1.5 Type BKK...............................................................................................................................59
A.1.6 Type BCS...............................................................................................................................60
A.1.7 Type BHH-W..........................................................................................................................61
A.2 Shaft misalignment values during operation..........................................................................62
A.3 Tightening torques and widths A/F.........................................................................................63
A.4 Tightening procedure.............................................................................................................63
A.5 Cam rings...............................................................................................................................64
A.5.1 Use and storage of the cam rings..........................................................................................64
A.5.2 BIPEX-S cam ring (20)...........................................................................................................64
Tables
Table 4-1 Types of preservative agents for long-term storage....................................................................24
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6 Operating Instructions 10/2017
Table of contents
Table 7-1 Table of faults..............................................................................................................................34
Table 8-1 Maintenance intervals.................................................................................................................39
Table 8-2 Maximum permissible torsional backlash for the BIPEX-S coupling...........................................40
Table 11-1 Spare parts list for type BNN.......................................................................................................48
Table 11-2 Spare parts list for type BGG......................................................................................................49
Table 11-3 Spare parts list for type BCC.......................................................................................................50
Table 11-4 Spare parts list for type BHH.......................................................................................................51
Table 11-5 Spare parts list for type BKK.......................................................................................................52
Table 11-6 Spare parts list for type BCS.......................................................................................................53
Table 11-7 Spare parts list for type BHH-W..................................................................................................54
Table A-1 Geometry data and weights of type BNN....................................................................................56
Table A-2 Geometry data and weights of type BGG....................................................................................57
Table A-3 Geometry data and weights of type BCC....................................................................................58
Table A-4 Geometry data and weights of type BHH....................................................................................58
Table A-5 Geometry data and weights of type BKK....................................................................................59
Table A-6 Geometry data and weights of type BCS....................................................................................60
Table A-7 Geometry data and weights of type BHH-W...............................................................................61
Table A-8 Maximum permissible shaft misalignment values during operation............................................62
Table A-9 Tightening torques TAand widths A/F SW for parts 11, 12 and 13..............................................63
Table A-10 Tightening procedure..................................................................................................................63
Table A-11 BIPEX-S cam ring.......................................................................................................................64
Figures
Figure 3-1 Type BNN....................................................................................................................................16
Figure 3-2 Type BGG...................................................................................................................................17
Figure 3-3 Type BCC....................................................................................................................................17
Figure 3-4 Type BHH....................................................................................................................................18
Figure 3-5 Type BKK....................................................................................................................................19
Figure 3-6 Type BCS....................................................................................................................................20
Figure 3-7 Type BHH-W...............................................................................................................................21
Figure 4-1 Transport symbols.......................................................................................................................23
Figure 5-1 Possible misalignment.................................................................................................................29
Figure 8-1 Markings for calculating the torsional backlash...........................................................................40
Figure 11-1 Spare parts drawing for type BNN...............................................................................................48
Figure 11-2 Spare parts drawing for type BGG..............................................................................................49
Figure 11-3 Spare parts drawing for type BCC...............................................................................................50
Figure 11-4 Spare parts drawing for type BHH...............................................................................................51
Figure 11-5 Spare parts drawing for type BKK...............................................................................................52
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Table of contents
Figure 11-6 Spare parts drawing for type BCS...............................................................................................53
Figure 11-7 Spare parts drawing for type BHH-W..........................................................................................54
Figure A-1 Type BNN....................................................................................................................................55
Figure A-2 Type BGG...................................................................................................................................56
Figure A-3 Type BCC....................................................................................................................................57
Figure A-4 Type BHH....................................................................................................................................58
Figure A-5 Type BKK....................................................................................................................................59
Figure A-6 Type BCS....................................................................................................................................60
Figure A-7 Type BHH-W...............................................................................................................................61
BIPEX-S 3410en
8 Operating Instructions 10/2017
Introduction
1.1 About these instructions
These instructions describe the coupling and provide information about its handling - from
assembly to maintenance. Please keep these instructions for later use.
Please read these instructions prior to handling the coupling and follow the information in them.
1.2 Text attributes
The warning notice system is explained on the back of the inner cover. Always follow the safety
information and notices in these instructions.
In addition to the warning notices, which have to be observed without fail, you will find the
following text attributes in these instructions:
1. Procedural instructions are shown as a numbered list. Always perform the steps in the order
given.
● Lists are formatted as bulleted lists.
– The dash is used for lists at the second level.
1
(1) Numbers in brackets are part numbers.
Note
A note is an important item of information about the product, the handling of the product or the
relevant section of the instructions. The note provides you with help or further suggestions/
ideas.
1.3 Copyright
The copyright for these instructions is held by Flender.
These instructions must not be used wholly or in parts without our authorisation or be given to
third parties.
If you have any technical queries, please contact our factory or one of our service outlets (refer
to Service and support (Page 43)).
BIPEX-S 3410en
Operating Instructions 10/2017 9
Introduction
1.3 Copyright
BIPEX-S 3410en
10 Operating Instructions 10/2017
Safety instructions
2.1 General information
Instructions
These instructions are part of the delivery. Always keep these instructions close to the coupling.
Please make sure that every person who is commissioned to work on the coupling has read
and understood these instructions prior to handling the coupling and observes all of the points.
Only the knowledge of these instructions can avoid faults on the coupling and ensure fault-free
and safe operation. Non-adherence to the instructions can cause product or property damage
or personal injury. Flender does not accept any liability for damage or operating failures that
are due to non-adherence to these instructions.
State of the art
The coupling described here has been designed in consideration of the latest findings for
demanding technical requirements. This coupling is state-of-the-art at the time of printing these
instructions.
In the interest of further development, Flender reserves the right to make such changes to the
individual components and accessories that increase performance and safety whilst
maintaining the essential features.
2
Symbols
ISO ANSI Warning
Warning - hazardous electrical voltage
--- Warning - entanglement hazard
--- Warning - hot surfaces
--- Warning - substances that are harmful to health or are irritants
--- Warning - corrosive substances
BIPEX-S 3410en
Operating Instructions 10/2017 11
Safety instructions
2.2 Intended use
ISO ANSI Warning
--- Warning - suspended load
--- Warning - hand injuries
Explanation regarding Machinery Directive 2006/42/EC
The couplings described here are “components” in accordance with the Machinery Directive
and do not require a declaration of incorporation.
Protective clothing
In addition to the generally prescribed personal protective equipment (safety shoes, overalls,
helmet, etc.), also wear suitable safety gloves and safety goggles when handling the coupling.
Using the coupling
The relevant work safety and environmental protection regulations must be complied with at
all times during transport, assembly, installation, dismantling, operation and maintenance of
the coupling.
Only qualified personnel may operate, assemble, maintain and repair the coupling. Information
about qualified personnel can be found in the legal notes at the beginning of these instructions.
If lifting gear or load suspension devices are used for transporting, these have to be suitable
for the weight of the coupling.
If the coupling has visible damage, it may not be assembled or put into operation.
The coupling may only be operated in a suitable housing or with touch protection according to
applicable standards. This also applies to test runs and rotational direction checks.
Work on the coupling
Only carry out work on the coupling when it is not in operation and is not under load.
Secure the drive unit against being switched on accidentally. Attach a notice to the switch
stating clearly that work is being carried out on the coupling. Ensure that the entire unit is not
under load.
2.2 Intended use
Only use the coupling according to the conditions specified in the service and delivery contract
and the technical data in the annex. Deviating operating conditions are considered improper
use. The user or owner of the machine or plant is solely liable for any resulting damage.
BIPEX-S 3410en
12 Operating Instructions 10/2017
When using the coupling please specifically observe the following:
● Do not make any modifications to the coupling that go beyond the permissible machining
described in these instructions. This also applies to touch protection facilities.
● Only use original spare parts from Flender. Flender only accepts liability for original spare
parts from Flender.
Other spare parts are not tested and approved by Flender. Non-approved spare parts may
possibly change the design characteristics of the coupling and thus impact active and/or
passive safety.
Flender will accept no liability or warranty whatsoever for damage occurring as a result of
the use of non-approved spare parts. The same applies to any accessories that were not
supplied by Flender.
If you have any queries, please contact our customer service (see Service and support
(Page 43)).
2.3 General warning notices
Safety instructions
2.3 General warning notices
WARNING
Danger due to bursting of the coupling
The coupling may burst if it is not used properly. There is a risk of fatal injury from flying
fragments.
● Use the coupling for the purpose for which it is intended.
WARNING
Danger from hot coupling parts
Risk of injury due to hot surfaces.
● Wear suitable protective equipment (gloves, safety goggles).
WARNING
Risk of chemical burns due to chemical substances
There is a risk of chemical burns when handling aggressive cleaning agents.
● Please observe the manufacturer's information on how to handle cleaning agents and
solvents.
● Wear suitable protective equipment (gloves, safety goggles).
CAUTION
Physical injury
Risk of injury due to falling coupling parts.
● Secure the coupling parts to prevent them from falling.
BIPEX-S 3410en
Operating Instructions 10/2017 13
Safety instructions
2.3 General warning notices
BIPEX-S 3410en
14 Operating Instructions 10/2017
Description
Application
Design
3
The BIPEX-S couplings described here are torsionally flexible claw couplings that are free of
torsional backlash and are available in various types and sizes. They are characterised by a
very compact design.
BIPEX-S couplings are fail-safe.
These instructions describe the assembly and operation of a BIPEX-S coupling arranged
horizontally with a shaft-hub connection made by a cylindrical or conical bore with a parallel
key or by various clamping connections. Please consult Flender if you want to use a different
type of installation.
BIPEX-S couplings are designed for use in all kinds of machines. They are primarily used in
drive units with torque transmission without any backlash and only low misalignment.
A BIPEX-S coupling consists of two hub parts that are connected to one another by a cam ring
made of an elastomer material. In the BHH-W type the hub parts are connected to one another
by two cam rings and a spacer.
The cam ring is fitted between the hub cams with a small amount of interference. The coupling
characteristic of zero backlash is based on this.
The hub parts are joined to the shaft by finished bores with a parallel key or various clamping
connections.
The diagrams show the various types with their constituent parts and their part numbers.
BIPEX-S 3410en
Operating Instructions 10/2017 15
Description
1 Coupling part N
11 Set screw
20 Cam ring
Figure 3-1 Type BNN
BIPEX-S 3410en
16 Operating Instructions 10/2017
Description
2 Coupling part G
12 Cylinder-head screw
20 Cam ring
Figure 3-2 Type BGG
3 Coupling part C
12 Cylinder-head screw
20 Cam ring
Figure 3-3 Type BCC
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Operating Instructions 10/2017 17
Description
4 Coupling part H
12 Cylinder-head screw
20 Cam ring
Figure 3-4 Type BHH
BIPEX-S 3410en
18 Operating Instructions 10/2017
Description
5 Coupling part K
12 Cylinder-head screw
20 Cam ring
Figure 3-5 Type BKK
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Operating Instructions 10/2017 19
Description
3 Coupling part C
6 Coupling part S
12 Cylinder-head screw
13 Cylinder-head screw
20 Cam ring
61 Clamping taper
Figure 3-6 Type BCS
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20 Operating Instructions 10/2017
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