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KTR Kupplungstechnik

GmbH

D-48407 Rheine

B o W e x - E L A S T I C

Operating-/Assembly Instructions

Design 065 (HEW1 and HEW2)

KTR-N
sheet:
edition:

40114 E
1
4

Gezeichnet:

08.04.04 Sha/Hk

Ersatz für:

KTR-N vom 01.12.99

Schutzvermerk

ISO 16016 beachten.

Geprüft:

08.04.04 Sha

Ersetzt durch:

The

BoWex-ELASTIC

HEW

is a high flexible plug-in shaft coupling. It damps torsional

oscillations, decreases shocks and is impact sound insulating.
The

BoWex-ELASTIC

HEW

coupling compensates for relatively considerable shaft

displacements caused by e. g. inaccuracies in production, heat expansion etc.

Table of Contents

1 Technical

Data

2 Hints

2.1

General

Hints

2.2 Safety and Advice Hints

2.3 General Hints to Danger

2.4

Proper

Use

3 Storage

4 Assembly

4.1 Components of the Couplings

4.2 Hint regarding the finish bore

4.3 Assembly of the Coupling

4.4 Displacements - Alignment of the Couplings

5 Enclosure

Hints and instructions regarding the use in

hazardous areas

5.1 Control intervals for couplings in

hazardous areas

5.2 Checking of torsional backlash

5.3 Approximate values of wear

5.4 Permissible coupling materials in the

hazardous area

5.5

Marking of coupling for the hazardous area

5.6

Starting

5.7 Breakdowns, causes and elimination

5.8

Certificate of Conformity according to the EG Standards 94/9/EG
dated 23 March 1994

Summary of Contents for BoWex-Elastic

Page 1: ...on heat expansion etc Table of Contents 1 Technical Data 2 Hints 2 1 General Hints 2 2 Safety and Advice Hints 2 3 General Hints to Danger 2 4 Proper Use 3 Storage 4 Assembly 4 1 Components of the Couplings 4 2 Hint regarding the finish bore 4 3 Assembly of the Coupling 4 4 Displacements Alignment of the Couplings 5 Enclosure A Hints and instructions regarding the use in hazardous areas 5 1 Contro...

Page 2: ...G t TA Nm 42 HEW 50 15 42 50 4 32 132 104 M8 10 10 48 HEW 55 17 45 50 4 32 137 109 M8 10 10 65 HEW 75 28 63 70 5 42 187 150 M10 15 1 17 80 HEW 80 17 70 75 5 45 215 160 M10 20 17 G 80 HEW 90 22 78 90 5 55 235 185 M10 20 17 1 hub length 55 mm t 15mm hub length 70 mm t 20mm Table 2 Torque torque Nm torque Nm BoWex ELASTIC size elastomer hardness Shore A TKN TK max BoWex ELASTIC size elastomer hardnes...

Page 3: ...ty and Advice Hints STOP D A N G E R Danger of injury to persons C A U T I O N Damages on the machine possible A T T E N T I O N Pointing to important items P R E C A U T I O N Hints concerning explosion protection 2 3 General Hints of Danger STOP D A N G E R With assembly operation and maintenance of the coupling it has to be made sure that the entire drive train is protected against unintentiona...

Page 4: ...ibed in here corresponds to the technical status at the time of printing of these mounting instructions 3 Storage The coupling hubs are supplied in preserved condition and can be stored at a dry and roofed place for 6 9 months The features of the elastomer part remain unchanged for up to 5 years in case of favourable stock conditions C A U T I O N The storage rooms may not include any ozone genera...

Page 5: ...screws DIN 916 BoWex ELASTIC size 42 HEW 48 HEW 65 HEW 80 HEW G 80 HEW screw size M8 M8 M10 M10 M10 tightening torque TA Nm 10 10 17 17 17 4 3 Assembly of the Coupling A T T E N T I O N We recommend to check bores shaft keyway and feather key for dimensional accuracy before assembly Heating the hub and coupling flange slightly approx 80 C allows for an easier installation onto the shaft P R E C A ...

Page 6: ...e of non observance the coupling can be damaged If the position of the machine parts has already been indicated previously the assembly dimension can be adjusted by an axial displacement of the hub on the shaft 4 4 Displacements Alignment of the Couplings The BoWex ELASTIC HEW couplings accept a deviation of position of the machine parts to be connected up to the data indicated in table 5 In case ...

Page 7: ...lacements elastomer hardness Shore A W 42 HE 42 HE 48 HE 65 HE 80 HE G 80 HE 40 1 0 1 1 1 2 1 6 1 8 2 0 50 1 0 1 1 1 5 1 7 1 9 perm radial displacement with n 1500 1 min Kr mm 65 0 5 0 5 0 7 0 8 0 9 40 0 7 0 8 1 1 1 4 1 6 1 8 50 0 7 1 0 1 3 1 5 1 7 perm radial displacement with n 3000 1 min Kr mm 65 0 4 0 4 0 5 0 6 0 8 40 3 2 3 6 3 8 5 1 5 7 6 0 50 3 3 3 5 4 7 5 3 5 7 max radial displacement Krmax...

Page 8: ...r at the elastomer part after this first inspection the further inspections can be effected in case of the same operating parameters respectively after 6000 operating hours or after 18 months at the latest If you note a considerable wear during the first inspection so that a change of the elastomer part would be recommended please find out the cause according to the table Breakdowns as far as poss...

Page 9: ...ition Mark elastomer part and hub see picture 9 Turn the hub in the direction of drive and measure the torsional backlash Smax When reaching the torsional backlash Smax the elastomer part must be exchanged picture 9 marking of the hub and the elastomer part 5 3 Approximate values of wear If the torsional backlash is Smax mm friction Xmax mm the elastomer part must be exchanged The reaching of the ...

Page 10: ...reas are marked for the respectively permissible conditions of use Explosion group IIB II 2G c IIB T4 20 C Ta 80 C 5 6 Starting Before putting the coupling into operation check the tightness of the grub screws in the hubs the alignment and the distance dimension E and correct if necessary and also check all screw connections regarding the stipulated tightening torques dependent on the type of coup...

Page 11: ... and machine components must be considered 5 7 Breakdowns Causes and Elimination breakdowns causes danger hints for hazardous areas elimination misalignment friction at the toothing of the elastomer part danger of ignition due to hot surfaces 1 put the unit out of operation 2 eliminate the reason for the misalignment e g loose foundation bolts break of the engine fixing heat expansion of unit comp...

Page 12: ...er part max permissible 20 C 80 C danger of ignition due to hot surfaces 1 put the unit out of operation 2 disassemble the coupling and remove rests of the elastomer part 3 check coupling parts and exchange damaged coupling parts 4 insert elastomer part assemble coupling parts 5 check alignment correct if necessary 6 check and regulate ambient contact temperature excessive wear at the elastomer pa...

Page 13: ...ations The manufacturer KTR Kupplungstechnik GmbH D 48432 Rheine states that the BoWex ELASTIC couplings described in these mounting instructions and explosion proof designed correspond to Article 1 3 b of Standard 94 9 EG and comply with the general Safety and Health Requirements according to enclosure II of Standard 94 9 EG The couplings are certified according to Type Examination Certificate IB...

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