KTR POLY PKA Series, Operating & Assembly Instructions

Page 1: ...chnet 11 03 10 Pz Bru Ersatz für KTR N vom 25 04 07 Schutzvermerk ISO 16016 beachten Geprüft 16 03 10 Pz Ersetzt durch Type PKZ Type PKD POLY Torsionally flexible couplings types not failsafe PKZ PKD PKA and their combinations according to Standard 94 9 EC ATEX 95 for finish bored pilot bored and unbored couplings Type PKA ...

Page 2: ... Proper Use 3 Storage 4 Assembly 4 1 Components of the Couplings 4 2 Assembly of the Coupling General 4 3 Assembly of the Type PKZ 4 4 Assembly of the Type PKD 4 5 Assembly of the Type PKA 4 6 Hint Regarding the Finish Bore 4 7 Displacements Alignment of the Couplings 4 8 Spares Inventory Customer Service Addresses 5 Enclosure A Hints and Instructions Regarding the Use in Hazardous Areas 5 1 Use i...

Page 3: ... 15 10 10 43 19 75 75 195 125 125 75 63 27 4 154 M8 15 10 14 02 20 65 75 205 115 127 80 65 22 4 164 M8 15 10 17 17 22 85 85 224 140 140 90 75 38 4 184 M10 20 17 21 23 25 90 90 257 150 150 100 84 43 5 205 M12 20 40 29 19 28 100 100 288 165 165 110 90 44 5 225 M12 20 40 42 29 30 110 110 308 180 180 130 108 58 5 265 M16 20 80 54 70 1 bore H7 with keyway DIN 6885 sheet 1 JS9 and threads for setscrews ...

Page 4: ... 65 44 5 225 M12 20 40 44 32 30 110 100 308 180 170 130 75 58 5 265 M16 20 80 55 64 35 60 130 130 373 210 210 160 95 70 5 325 M16 25 80 103 78 40 70 145 145 423 240 240 180 115 85 5 365 M16 25 80 146 66 45 80 160 160 473 270 270 180 110 74 6 366 M16 30 80 197 35 50 90 170 170 543 290 290 200 130 80 6 406 M16 30 80 287 36 55 100 180 180 580 310 310 200 120 74 8 408 M16 30 80 327 12 60 110 200 190 6...

Page 5: ...77 140 270 93 15 63 180 310 133 16 50 15 70 157 110 65 1 5 49 5 4 250 380 203 M8 25 10 18 01 100 240 53 18 79 140 280 93 19 60 180 320 133 20 41 17 80 176 125 70 1 5 54 5 4 250 390 203 M8 25 10 21 83 140 290 91 24 63 180 330 131 25 91 19 90 195 135 75 1 5 59 5 4 250 400 201 M8 30 10 28 15 140 300 81 30 96 180 340 121 32 18 20 100 205 150 80 2 0 61 0 4 250 410 191 M8 30 10 34 79 180 360 127 37 79 2...

Page 6: ...20 element size 4 5 6 7 8 9 10 11 12 13 b 34 9 40 0 43 7 45 7 52 1 58 1 70 1 75 5 91 5 103 0 t 19 6 22 2 23 7 21 8 28 6 29 3 36 3 41 3 44 3 48 5 dimensions mm h 34 6 40 6 42 4 60 0 59 7 69 0 79 0 81 0 98 2 108 1 1 quantity for the complete coupling Table 8 dimensions of elastomer elements with excessive height see picture 5 coupling size 8 9 10 12 14 15 17 20 25 28 30 35 quantity of elements 1 8 1...

Page 7: ...on torsional vibration it is necessary to make a torsional vibration calculation to ensure a perfect selection Typical drives with endangered torsional vibration are e g drives with diesel engines piston pumps piston compressors etc On request KTR makes the coupling selection and the torsional vibration calculation 2 2 General Hints Please read through these mounting instructions carefully before ...

Page 8: ...ch Please provide for the necessary protection devices and caps 2 5 Proper Use You may only assemble operate and maintain the coupling if you have carefully read through the mounting instructions and understood them had technical training are authorized to do so by your company The coupling may only be used in accordance with the technical data see table 1 to 8 in chapter 1 Unauthorized modificati...

Page 9: ... 1 1 cam section EN GJL 250 acc to customers request 2 see table 9 elastomer elements NBR buna N 90 ShA 2Z 1 pocket section EN GJL 250 acc to customers request 4 2 setscrew DIN EN ISO 4029 steel picture 6 POLY type PKZ Components of POLY type PKD component quantity designation material balancing condition 1 1 1 cam section EN GJL 250 acc to customers request 2 see table 9 elastomer elements NBR bu...

Page 10: ...lements NBR buna N 90 ShA 2b 1 driving flange EN GJL 250 generally balanced 4 2 setscrew DIN EN ISO 4029 steel 5 see table 9 cap screw DIN EN ISO 4762 steel picture 8 POLY type PKA Table 9 quantity of elastomer elements and cap screws coupling size 8 9 10 12 14 15 17 19 20 22 quantity of elements 1 8 10 10 10 10 12 12 12 12 16 element size 1 2 3 3a 4 3b quantity of cap screws 2 DIN EN ISO 4762 4 5...

Page 11: ...observed so that the parts do not conact each other during the operation Disregarding this hint may cause damage on the coupling 4 3 Assembly of the Type PKZ Assemble the cam and the pocket section onto the shaft of the drive and the driven side see picture 9 picture 9 assembly of the cam and pocket section Insert the elastomer elements into the cam and the pocket section see picture 10 Only valid...

Page 12: ...ue key to the tightening torque TA shown in table 4 picture 13 assembly of cam section and flange hub with cam ring Insert the elastomer elements in the cam section or cam ring see picture 14 picture 14 assembly of the elastomer elements Move the power packs in axial direction until the dimension E is achieved see picture 15 If the power packs are already firmly assembled axial movement of the hub...

Page 13: ...oupling flanges by tightening the setscrews DIN EN ISO 4029 with cup point tightening torque see table 5 picture 16 assembly of the coupling flanges Please plug the driving flanges spacer and the elastomer elements together see picture 17 picture 17 assembly of the driving flange spacer and elastomer elements Put the assembled parts between the coupling flanges see picture 18 At first hand screw t...

Page 14: ... displacements produced by the shafts to be combined as shown in table 10 Excessive misalignment may be caused by inaccurate alignment production tolerances thermal expansion shaft deflection twisting of machine frames etc C A U T I O N In order to ensure a long lifetime of the coupling and to avoid dangers regarding the use in hazardous areas the shaft ends must be accurately aligned Please absol...

Page 15: ...7 0 7 0 7 0 7 0 7 0 9 0 9 0 9 0 9 0 9 n 1500 1 min 0 5 0 5 0 5 0 5 0 5 0 7 0 7 0 7 0 7 0 7 max radial displacement ΔKr mm or max angular displacement ΔKw mm or total V n 3000 1 min 0 3 0 3 0 3 0 3 0 3 0 5 0 5 0 5 0 5 0 5 coupling size 25 28 30 35 40 45 50 55 60 65 max axial displacement ΔKa mm 2 2 2 3 3 3 3 4 4 4 n up to 750 1 min 1 0 1 0 1 0 1 2 1 2 1 2 1 2 1 2 1 2 1 2 n 1000 1 min 0 9 0 9 0 9 1 ...

Page 16: ... 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 not approved for zone 20 explosion class IIC explosion class IIA and IIB are included in IIC Temperature class temperature class ambient or operating temperature Ta max surface temperature T5 T4 T3 T2 T1 30 C to 80 C 1 10...

Page 17: ... the latest If you note a considerable wear during the first inspection so that a change of the elastomer elements would be recommended please find out the cause according to the table Breakdowns as far as possible The maintenance intervals must be adjusted according to the changed operating parameters II 2GD c IIC T4 T5 T6 The torsional backlash of the coupling see chapter 5 3 according to Guidel...

Page 18: ...fetime of the coupling and to avoid dangers regarding the use in hazardous areas the shaft ends must be accurately aligned Please absolutely observe the displacement figures indicated see table 10 If the figures are exceeded the coupling is damaged picture 22 checking of the limit of wear picture 23 wear of elastomer elements Table 11 limits of wear standard design design with low backlash enlarge...

Page 19: ...e former marking remains valid II 2G c IIC T4 T5 T6 30 C Ta 80 60 45 C II 2D c T 110 C I M2 c 30 C Ta 80 C The labelling with Explosion Group llC includes the Explosion Groups llA and llB If the coupling part is labelled with in addition to KTR supplied it unbored or pilot bored C A U T I O N Any mechanical rework to couplings that are used in hazardous areas require an explicit release by KTR The...

Page 20: ...pliance of appliance group ll The minimum distance of the protection device to the rotating parts must be at least 5 mm If the protection device is used as cover regular openings complying with the explosion protection demands can be made that must not exceed the following dimensions form of the openings circular openings diameter in mm rectangular openings side length in mm straight or bended slo...

Page 21: ...th each other Tightening torques are below exceeded Components are exchanged by mistake put together incorrectly A wrong or no elastomer elements is inserted into the coupling No original KTR parts purchased parts are used Old elastomer elements already worn out elastomer elements or superposed elastomer elements are used The coupling used the coupling protection used is not suitable for the opera...

Page 22: ...tomer elements 3 check coupling parts and exchange damaged coupling parts 4 insert elastomer elements assemble coupling parts 5 find out the reason of overload operating parameters do not correspond to the performance of the coupling cams of coupling slip danger of ignition due to hot surfaces 1 put the unit out of operation 2 check the operating parameters and select a larger coupling consider in...

Page 23: ...le the coupling and remove rests of the elastomer elements 3 check coupling parts and exchange damaged coupling parts 4 insert elastomer elements assemble coupling parts 5 check alignment correct if necessary 6 check and regulate ambient contact temperature premature wear of elastomer elements Hardening embrittlement of the elastomer elements drive vibrations danger of ignition due to hot surfaces...

Page 24: ...d 23 March 1994 and to the legal regulations The manufacturer KTR Kupplungstechnik GmbH D 48432 Rheine states that the POLY 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 of Standard 94 9 E...