FLENDER N-BIPEX BWN

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Operation

7.2 Faults - causes and rectification

M3401-02en Edition 09/2022 41

3. Check the locking elements that prevent axial movements and correct these as required.

4. Realign the coupling.

Main Page

Table of Contents3
Introduction11
Legal Information11
About These Instructions12
Text Attributes12
Copyright13
Safety Instructions15
General Information15
Table 2-1 General Warnings16
Intended Use17
Safety Instructions for a Coupling for Use in Potentially Explosive Atmospheres17
Marking17
Conditions of Use18
Table 2-2 Temperature Classes (TX) for Explosive Atmospheres as a Result of Gases, Vapours or Mists18
Table 2-3 Maximum Surface Temperature (TX) for an Explosive Atmosphere as a Result of Dust/Air Mixtures18
General Warning Notices19
Description21
Figure 3-1 BWN Type21
Figure 3-2 BWT Type22
Figure 3-3 BNT Type22
Application Planning23
Transport of the Coupling23
Storage of the Coupling23
Figure 4-1 Transport Symbols23
Table 4-1 Types of Preservative Agents for Long-Term Storage24
Assembly25
Preparatory Work25
Milling the Finished Bore26
Table 5-1 Recommended Assigned Fits for Bores with Parallel Key Connection26
Milling the Parallel Keyway27
Machining an Axial Locking Mechanism27
Figure 5-1 Tolerances for the Finished Bore in Coupling Part 1/2 (1 or 2)27
Table 5-2 Tapped Hole, Tightening Torque and Width A/F28
Figure 5-2 Diameter and Axial Position of the Threaded Hole in the Hub28
Balancing the Coupling29
Figure 5-3 Position of the Balancing Bore for Single-Plane Balancing29
Assembling the Coupling30
Installing Coupling Part 1/2 (1 or 2)30
Figure 5-4 Position of the Balancing Bore for Two-Plane Balancing30
Assembling Coupling Part 3 (3) or 4 (4)31
Aligning the Coupling32
Purpose of Alignment32
Possible Misalignment33
Axial Misalignment33
Angular Misalignment33
Radial Misalignment33
Figure 5-5 Possible Misalignment33
Commissioning35
Operation37
Normal Operation of the Coupling37
Faults - Causes and Rectification37
Procedure in the Event of Malfunctions37
Identifying the Fault Cause37
Possible Faults38
Possible Causes39
Unsuitable Coupling39
Assembly-Related Causes39
Table 7-1 Table of Faults39
Maintenance-Related Causes40
Specific Installation-Related and Maintenance-Related Causes40
Correcting Faults40
Replacing Wearing Parts40
Correcting the Changed Alignment40
Servicing43
Maintenance Intervals43
Table 8-1 Maintenance Intervals43
Maximum Permissible Torsional Backlash44
Replacing Wearing Parts44
Table 8-2 Maximum Permissible Torsional Backlash44
Figure 8-1 Markings for Calculating the Torsional Backlash44
Removing Coupling Part 1/2 (1 or 2)45
Removing Coupling Part 3 (3) or 4 (4)45
Service and Support47
Contact47
Disposal49
Spare Parts51
Ordering Spare Parts51
Spare Parts Drawing and Spare Parts List52
Type BWN52
Type BWT52
Table 11-1 Spare Parts List for Type BWN52
Figure 11-1 Replacement Parts Drawing for BWN Type52
Figure 11-2 Replacement Parts Drawing for BWT Type52
Type BNT53
Table 11-2 Replacement Parts List for BWT Type53
Table 11-3 Spare Parts List for Type BNT53
Figure 11-3 Spare Parts Drawing for Type BNT53
Technical Data55
Speeds, Geometry Data and Weights55
BWN Type55
Figure A-1 BWN Type55
BWT Type56
Table A-1 Speed, Geometry Data and Weights for BWN Type56
Figure A-2 BWT Type56
Table A-2 Speed, Geometry Data and Weights for BWT Type57
BNT Type58
Figure A-3 BNT Type58
Flat Groove in TAPER Clamping Bushes (101), (102)59
Shaft Misalignment Values During Operation59
Table A-3 Speed, Geometry Data and Weights for BNT Type59
Table A-4 Flat Groove in TAPER Clamping Bushes59
Figure A-4 Flat Groove in TAPER Clamping Bushes59
Table A-5 Correction Factor60
Table A-6 Maximum Permissible Shaft Misalignment Values During Operation for Cam Rings (50) with60
Table A-7 Maximum Permissible Shaft Misalignment Values During Operation for Cam Rings (50) with61
Table A-8 Maximum Permissible Shaft Misalignment Values During Operation for Cam Rings (50) with Hardness 64 Shore a61
Tightening Torques and Widths A/F62
Tightening Procedure62
Table A-9 Tightening Torques and Widths A/F of Bolts for the Taperclamping Bushes (101 or 102)62
Table A-10 Tightening Procedure62
Cam Rings63
Use and Storage of the Cam Rings63
N-BIPEX Cam Ring (50)63
Table A-11 N-BIPEX Cam Ring63
Declaration of Conformity65

FLENDER N-BIPEX BWN - Page 41

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