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KTR ROTEX GS clamping hubs, Operating / Mounting Instructions, Page: 1 / 34

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KTR ROTEX GS clamping hubs Operating / Mounting Instructions Download Page 1

KTR Kupplungstechnik 

GmbH 

D-48407 Rheine 

ROTEX

®

 GS 

Operating/mounting instructions 

KTR-N 
sheet: 
edition:

 

45510 EN 
1 of 33 
14 

 

Gezeichnet: 

08.02.12 Kb/De 

Ersatz für: 

KTR-N vom 18.08.11 

Schutzvermerk 

ISO 16016 beachten.  Geprüft: 

08.02.12 Kb 

Ersetzt durch: 

 

 

 

 

ROTEX

®

 GS, shaft coupling 

 
 

 

ROTEX

®

 GS, clamping hubs 

 
 

 

ROTEX

®

 GS, clamping ring hubs 

ROTEX

®

 GS, clamping ring hubs light

 

 
 

ROTEX

®

 GS, DKM 

 
 

 

ROTEX

®

 GS 

 
 

Torsionally flexible jaw 

couplings 

types 

shaft coupling, 

clamping hubs, 

clamping ring hubs, 

clamping ring hubs light, 

DKM, Compact 

and combinations 

 

in accordance with standard 

94/9/EC (ATEX 95) 
for finish bored and 

pilot bored/unbored 

couplings 

ROTEX

®

 GS, Compact 

 

Summary of Contents for ROTEX GS clamping hubs

Page 1: ...rüft 08 02 12 Kb Ersetzt durch ROTEX GS shaft coupling ROTEX GS clamping hubs ROTEX GS clamping ring hubs ROTEX GS clamping ring hubs light ROTEX GS DKM ROTEX GS Torsionally flexible jaw couplings types shaft coupling clamping hubs clamping ring hubs clamping ring hubs light DKM Compact and combinations in accordance with standard 94 9 EC ATEX 95 for finish bored and pilot bored unbored couplings ...

Page 2: ...embly 4 1 Hub Types 4 2 Coupling Components 4 3 Hints for Assembly 4 4 Hint for Finish Bore 4 5 Assembly of Hubs Types 1 0 1 1 and 1 2 4 6 Assembly of Clamping Hubs Types 2 0 2 1 2 5 2 6 2 8 2 9 7 5 7 6 7 8 and 7 9 4 7 Assembly of Clamping Ring Hubs Types 6 0 6 0 steel 6 0 light and 6 5 4 8 Displacements Alignment of the Couplings 4 9 Spares Inventory Customer Service Addresses 5 Enclosure A Hints...

Page 3: ...85 53 40 30 5 0 5 0 M10 25 1 A T T E N T I O N For the applications in hazardous areas the setscrews to fasten the hubs as well as all screw connections have to be secured against self slackening additionally e g by glueing with Loctite medium tight Table 2 Torques and finish bores Finish bore mm Hub type Spider part 2 1 Rated torque Nm ROTEX GS Size 80 Sh A GS 92 Sh A GS 98 Sh A GS 64 Sh D GS 72 ...

Page 4: ... 5 93 5 105 119 5 124 147 5 Tightening torque TA Nm 0 37 0 76 1 34 1 34 10 5 10 5 25 25 69 120 120 120 295 Bore Ø transmittable torque of Clamping hub Nm Surface pressure N mm 2 Ø2 0 84 Ø3 71 02 0 91 2 07 3 65 4 48 Ø4 43 02 68 51 109 9 134 9 0 97 2 18 3 81 4 64 Ø5 29 50 46 15 73 5 89 5 1 04 2 28 3 98 4 81 23 6 Ø6 21 85 33 65 53 3 64 4 139 3 1 10 2 39 4 14 4 97 24 3 Ø7 17 06 25 90 40 8 48 9 105 2 1...

Page 5: ...9 19 0 28 5 54 6 46 3 99 149 33 1 40 5 86 6 99 0 232 373 425 Ø20 17 5 26 2 50 0 42 4 91 134 128 30 4 41 9 89 1 101 5 238 381 433 Ø22 13 3 22 4 42 5 35 9 77 113 108 31 59 43 2 91 6 104 0 244 389 441 462 964 Ø24 11 6 19 4 36 7 30 9 66 97 92 80 150 43 9 92 8 105 2 246 393 446 466 972 Ø25 18 2 34 3 28 8 61 90 86 75 140 45 9 96 5 108 9 255 405 458 478 995 Ø28 15 2 28 4 23 8 51 74 70 61 114 99 0 111 4 2...

Page 6: ...6 20 3 0 4 0 M8 48 Figures see table 2 105 51 140 56 41 28 21 3 5 4 0 M10 6 0 steel size 19 75 6 0 size 14 38 Hub and clamping ring material Steel St H Hub material Aluminium Al H clamping ring material steel St H 19 40 18 66 25 18 16 12 2 0 3 0 M4 24 55 27 78 30 22 18 14 2 0 3 0 M5 28 65 30 90 35 27 20 15 2 5 4 0 M5 38 80 38 114 45 35 24 18 3 0 4 0 M6 42 95 46 126 50 35 26 20 3 0 4 0 M8 48 105 51...

Page 7: ... 56 98 145 Ø19 64 96 6 109 64 110 133 203 Ø20 67 99 88 102 9 135 165 252 Ø22 102 8 92 4 107 127 201 304 Ø24 76 3 95 7 110 139 219 331 Ø25 77 9 97 110 2 175 248 394 444 Ø28 81 5 86 9 104 9 113 6 285 452 508 572 Ø30 88 6 106 3 114 8 108 253 453 535 638 Ø32 66 5 91 103 5 107 2 307 543 638 762 Ø35 69 3 93 2 105 4 108 9 329 550 692 842 Ø38 63 6 78 4 95 100 609 763 929 Ø40 79 5 95 8 101 1 669 754 943 Ø4...

Page 8: ...285 395 358 489 Ø25 101 159 168 152 179 192 315 439 398 658 Ø28 116 141 149 135 192 382 531 483 616 Ø30 148 157 143 157 330 463 416 704 Ø32 79 120 108 158 433 603 547 899 863 Ø35 123 131 119 168 138 503 593 536 896 856 Ø38 122 118 99 142 116 689 625 1030 991 1446 Ø40 114 104 147 121 140 793 571 962 918 1355 1710 Ø42 119 86 125 102 119 134 776 704 1160 1119 1637 2053 Ø45 102 92 131 108 125 141 851 ...

Page 9: ...14 7 45 48 Ø11 118 248 214 22 7 62 67 Ø14 108 211 182 68 74 142 Ø15 203 175 243 67 72 154 Ø16 171 148 231 83 90 189 Ø19 153 132 203 90 97 188 269 Ø20 149 129 178 196 99 212 307 Ø22 107 167 183 112 237 337 Ø24 102 157 172 120 250 356 Ø25 100 153 167 143 280 398 Ø28 96 136 148 307 436 Ø30 131 142 310 442 Ø32 115 126 353 501 Ø35 110 120 389 533 Ø38 103 107 572 Ø40 104 615 Ø42 102 644 Ø45 92 The trans...

Page 10: ...erial Aluminium Al H Spacer material Aluminium Al H 5 5 10 5 3 13 23 5 4 0 5 4 0 7 7 14 7 4 20 34 8 6 1 0 6 0 9 11 20 7 2 10 5 25 45 10 8 1 0 1 5 12 12 25 8 5 11 6 30 52 12 10 1 0 3 5 14 16 30 10 5 11 8 34 56 13 10 1 5 2 0 19 24 40 18 18 25 10 42 92 16 12 2 0 3 0 24 28 55 27 27 30 16 52 112 18 14 2 0 3 0 28 38 65 30 30 35 18 58 128 20 15 2 5 4 0 38 45 80 38 38 45 20 68 158 24 18 3 0 4 0 Hub materi...

Page 11: ...otted type 2 8 Table 9 Dimensions Dimensions mm ROTEX GS Compact Size Spider part 2 Torques Nm dmax DH DK L l1 l2 E b s t e M TA Nm 7 7 14 16 6 18 5 8 6 1 2 5 5 0 M2 0 37 9 9 20 21 3 24 7 10 8 1 3 5 6 7 M2 5 0 76 12 12 25 26 2 26 7 12 10 1 3 5 8 3 M3 1 34 14 16 1 30 30 5 32 9 5 13 10 1 5 4 5 9 6 M4 2 9 19 24 1 40 45 0 50 17 16 12 2 9 14 0 M6 10 24 32 55 57 5 54 18 18 14 2 11 20 0 M6 10 28 35 65 69...

Page 12: ...1 0 2 1 3 7 7 4 Ø6 53 4 75 1 133 4 189 6 1 1 2 2 3 9 7 7 Ø7 41 7 58 102 3 144 8 2 3 4 1 8 0 24 3 Ø8 46 6 81 7 115 1 191 8 2 4 4 2 8 2 25 0 Ø9 38 6 67 2 94 3 155 7 4 4 8 5 25 7 21 2 Ø10 56 5 79 1 129 5 82 3 4 6 8 8 26 3 23 3 Ø11 48 5 67 6 109 9 74 8 4 7 9 1 27 0 25 4 Ø12 42 2 58 7 94 7 68 6 5 5 28 4 29 7 54 4 Ø14 26 0 73 1 58 8 92 0 5 7 29 0 31 8 58 3 92 6 Ø15 23 3 65 2 54 9 85 9 109 6 5 8 29 7 33 ...

Page 13: ... has to be selected based on the selection standards applying for the application in accordance with DIN 740 part 2 see ROTEX GS catalogue In case that the operating conditions change power speed modifications on engine and machine it is absolutely necessary to verify the coupling selection Please note that the technical details concerning the torque refer to the spider only The transmittable torq...

Page 14: ...o account safety first Please make sure to disengage the power pack before you perform your work on the coupling Protect the power pack against unintentional engagement e g by providing hints at the place of engagement or removing the fuse for current supply Do not touch the operation area of the coupling as long as it is in operation Please protect the coupling against unintentional touch Please ...

Page 15: ... thread 1 1 without keyway with thread 1 2 without keyway without thread Type up to size 14 standard Compact up to size 19 2 0 single slotted without keyway 2 1 single slotted with keyway Type from size 19 standard 2 5 double slotted without keyway 2 6 double slotted with keyway Type 2 8 with ROTEX GS Compact from size 24 standard 2 8 axially slotted without keyway 2 9 axially slotted with keyway ...

Page 16: ...ess Shore Identification Colour 80 Sh A GS blue green size 7 38 92 Sh A GS yellow 64 Sh D GS pale green size 42 75 95 98 Sh A GS red 72 Sh D GS grey size 24 55 Components of ROTEX GS backlash free shaft couplings Component Quantity Description 1 2 hub 2 1 spider 3 2 setscrew DIN EN ISO 4029 illustration 11 ROTEX GS size 5 38 illustration 12 ROTEX GS size 42 75 Components of ROTEX GS clamping hubs ...

Page 17: ...lamping ring 2 2 clamping ring hub 3 1 spider 4 see table 5 6 and 7 cap screws DIN EN ISO 4762 illustration 14 ROTEX GS clamping ring hub A T T E N T I O N Selection of clamping hubs With the use in explosion proof areas the clamping hubs have to be selected in a way that the difference between the peak torque of the machine including all operation parameters and the frictionally engaged torque of...

Page 18: ... its type ROTEX GS allows to axially plug in the coupling having assembled the hubs onto the shaft journal Consequently there is no need for subsequent screwing and the corresponding mounting holes in the housing The pegs on the spider arranged reciprocally avoid a contact between the spider and the hubs over the full surface Observing the distance dimension E the ability for displacement of the c...

Page 19: ... plate to secure the hubs axially illustration 18 accuracy in concentric running or run out C A U T I O N The customer is responsible for all machinings made subsequently to unbored or pilot bored and to finish machined coupling parts and spare parts KTR does not assume any warranty claims resulting from insufficient machining A T T E N T I O N Any mechanical remachining on couplings which are to ...

Page 20: ...rdous areas STOP D A N G E R Touching the heated hubs causes burns For that reason we recommend to wear safety gloves C A U T I O N Please observe the dimension E see tables 1 to 9 for the assembly to make sure that the spider can be moved axially during the operation The coupling may be damaged if this recommendation is not followed Please assemble the hubs onto the shaft of driving and driven si...

Page 21: ... secured against self slackening additionally e g by glueing with Loctite medium tight illustration 19 Assembly clamping hub Please note types 2 8 2 9 7 5 7 6 7 8 or 7 9 have 2 clamping screws C A U T I O N The frictionally engaged transmittable torques of the clamping hubs depend on the bore diameter A T T E N T I O N Hub types 2 0 2 5 2 8 7 5 and 7 8 without feather key may be used in category 3...

Page 22: ...ontaining molybdenum disulfide or other high pressure additives as well as internal lubricants must not be used Slightly detach the clamping screw and pull the clamping ring from the hub only marginally to make sure that the clamping ring is loosened Slip the claming ring hub onto the shaft The dimension L3 should be adhered to at least Tighten the clamping screws evenly stepwise and crosswise to ...

Page 23: ...embly the taper surfaces hub bores and the shaft have to be cleaned The hub bore and shaft have to be lubricated with thin bodied oil e g Castrol 4 in 1 or Klüber Quietsch Ex Lightly paint the taper surfaces of the clamping ring hub or clamping ring with the grease Gleitmo 800 afterwards turn the parts by one revolution in order to spread the grease evenly 4 8 Displacements Alignment of the Coupli...

Page 24: ...x radial displacement Kr mm max angular displacement Kw degrees Size max axial displacement Ka mm 80 ShA GS 92 ShA GS 95 98 ShA GS 64 ShD GS 72 ShD GS 80 ShA GS 92 ShA GS 95 98 ShA GS 64 ShD GS 72 ShD GS 5 0 4 0 2 0 12 0 06 0 04 1 1 1 0 0 9 7 0 6 0 3 0 15 0 10 0 06 0 04 1 1 1 0 0 9 0 8 9 0 8 0 4 0 19 0 13 0 08 0 05 1 1 1 0 0 9 0 8 12 0 9 0 4 0 20 0 14 0 08 0 05 1 1 1 0 0 9 0 8 14 1 0 0 5 0 21 0 15...

Page 25: ...ermissible displacement figures of the flexible ROTEX GS couplings mentioned are general standard values taking into account the load of the coupling until the rated torque TKN of the coupling and an ambient temperature of 30 C Spares Inventory Customer Service Addresses A basic requirement to guarantee the operational readiness of the coupling is a stock of the most important spare parts on site ...

Page 26: ...ccording to the Regulations Conditions of operation in hazardous locations ROTEX GS couplings are suitable for the use according to EC standard 94 9 EC 1 Industry with the exception of mining device class II of category 2 and 3 coupling is not approved for device class 1 media class G gases fogs steams zone 1 and 2 coupling is not approved for zone 0 media class D dusts zone 21 and 22 coupling is ...

Page 27: ...r heating and depending on the coupling type has to be considered for ROTEX GS T 20 K II 2GD c IIB T4 T5 T6 A checking of the circumferential backlash and a visual check of the flexible spider must be effected after 3 000 operating hours for the first time after 6 months at the latest Except for centered stiff connecting flanges e g bellhousings If you note an unconsiderable or no wear at the spid...

Page 28: ...rvals the spider has to be replaced immediately if the wear limit maximum wear has been achieved 5 3 Approximate Values of Wear In case of a backlash of more than x mm the flexible spider must be exchanged Whether the limit for replacement has been achieved or not depends on the conditions of operation and the existing operating parameters C A U T I O N In order to ensure a long lifetime of the co...

Page 29: ...m2 are permitted for the use in hazardous areas Aluminium diecast is generally excluded for hazardous areas 5 5 Marking of Coupling for the Hazardous Area Couplings for the use in hazardous areas are marked on at least one component completely and on the remaining components at the outside diameter of the hub or on the front side with an label for the respectively permitted conditions of use The f...

Page 30: ...ve and be included in the equipotential bonding Bellhousings magnesium part below 7 5 made from aluminium and damping rings NBR can be used as connecting element between pump and electro motor The cover may only be taken off after having stopped the unit During operation please pay attention to strange running noises occurring vibrations If the couplings are used in dust explosive areas and in min...

Page 31: ...ioned errors can lead to an incorrect use of the ROTEX coupling In addition to the stipulations in these operating and mounting instructions please make sure to avoid these errors The errors listed can only be clues to search for the errors When searching for the error the adjacent components must be generally included Due to incorrect use the coupling can become a source of ignition EC Standard 9...

Page 32: ...ider assemble coupling parts 5 check alignment correct if necessary change of the running noises and or occurring vibrations loose screws for axial securement of hubs danger of ignition due to hot surfaces and sparking 1 put the unit out of operation 2 check alignment of coupling 3 tighten the screws to secure the hubs and secure against self loosening 4 checking of wear see under point Control we...

Page 33: ... the spider are excluded Early wear of spider or reverse backlash Excessively high low ambient contact temperatures for the spider max permissible e g T4 30 C 90 C danger of ignition due to sparking in case of metallic contact of the cams 1 put the unit out of operation 2 disassemble the coupling and remove rests of the spider 3 check coupling parts and exchange damaged coupling parts 4 insert spi...

Page 34: ...and to the legal regulations The manufacturer KTR Kupplungstechnik GmbH D 48432 Rheine states that the ROTEX GS backlash free shaft couplings described in these mounting instructions and explosion proof designed correspond to Article 1 3 b of Standard 94 9 EC and comply with the general Safety and Health Requirements according to enclosure II of Standard 94 9 EC According to article 8 1 b ii of St...

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