FLENDER N-EUPEX DK Assembly And Operating Instructions Manual Download Page 1

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DK, DKS

Assembly and operating instructions M3105-02en
Edition 09/2022

N-EUPEX

Summary of Contents for N-EUPEX DK

Page 1: ...DK DKS Assembly and operating instructions M3105 02en Edition 09 2022 N EUPEX...

Page 3: ...warning notices 20 3 Description 23 4 Application planning 25 4 1 Transport of the coupling 25 4 2 Storage of the coupling 25 5 Assembly 27 5 1 Preparatory work 27 5 1 1 Milling the finished bore 28...

Page 4: ...7 2 3 Correcting faults 44 7 2 3 1 Replacing wearing parts 44 7 2 3 2 Correcting the changed alignment 44 8 Servicing 47 8 1 Maintenance intervals 47 8 2 Maximum permissible torsional backlash 48 8 3...

Page 5: ...Edition 09 2022 5 A 4 Tightening procedure 64 A 5 Flexible elements 12 64 A 5 1 Use and storage of flexible elements 12 64 A 5 2 N EUPEX flexible elements 12 64 B Declaration of Conformity 65 B 1 UK...

Page 6: ...Table of contents 6 Edition 09 2022 M3105 02en...

Page 7: ...tightening torque 30 Table 5 4 Position of the threaded hole with respect to the parallel keyway 31 Table 7 1 Table of faults 42 Table 8 1 Maintenance intervals 47 Table 8 2 Maximum permissible torsio...

Page 8: ...List of tables 8 Edition 09 2022 M3105 02en...

Page 9: ...e 5 4 Position of the balancing bore for two plane balancing 32 Figure 5 5 Mounting coupling parts 41 411 and 412 33 Figure 5 6 Possible misalignment of DK type 35 Figure 5 7 Possible misalignment of...

Page 10: ...List of figures 10 Edition 09 2022 M3105 02en...

Page 11: ...al injury will occur if the relevant precautionary meas ures are not taken WARNING means that death or severe physical injury may occur if the relevant precautionary meas ures are not taken CAUTION me...

Page 12: ...documentation must be followed Trademarks All designations marked with the trademark symbol are registered trademarks of Flender GmbH Other designations in this document may be trademarks whose use b...

Page 13: ...sh is used for lists at the second level 1 Numbers in brackets are part numbers 1 4 Copyright1 4 Copyright The copyright for these instructions is held by Flender These instructions must not be used w...

Page 14: ...Introduction 1 4 Copyright 14 Edition 09 2022 M3105 02en...

Page 15: ...damage or personal injury Flender does not accept any liability for damage or operating fail ures that are due to non adherence to these instructions State of the art The coupling described here has b...

Page 16: ...e relevant occupational safety and environmental protection regulations must be complied with at all times during transport assembly installation dismantling operation and mainten ance of the coupling...

Page 17: ...tsoever for damage occurring as a result of the use of non approved replacement parts The same applies to any accessories that were not supplied by Flender If you have any queries please contact our c...

Page 18: ...Coupling part 1 from the DKS type with electrically insulating flexible elements The following marking is visible on the outer diameter of coupling part 1 Flender GmbH II 2G Ex h IIB T6 T4 Gb X D 463...

Page 19: ...rground in mines in potentially explosive atmospheres to gether with drive motors that can be switched off in the event of the formation of an ex plosive atmosphere Earth machines that are connected v...

Page 20: ...o an explosion during operation Only use couplings with Ex marking in potentially explosive atmospheres DANGER Danger Risk of injury due to the use of unsuitable and or damaged components The use of u...

Page 21: ...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 glov...

Page 22: ...Safety instructions 2 4 General warning notices 22 Edition 09 2022 M3105 02en...

Page 23: ...cer coupling part 60 The double cardanic type DKS is a shortened version with coupling parts 1 101 and 102 and a spacer coupling part 70 The two joint design compensates for any radial misalignment of...

Page 24: ...DK type Figure 3 1 DK type 12 Flexible element 46 Cylinder head screw 60 Coupling part 60 411 Coupling part 41 412 Coupling part 41 DKS type Figure 3 2 DKS type 12 Flexible element 70 Coupling part 7...

Page 25: ...bearing capacity for transport Please observe the symbols applied on the packaging If not specifically contractually agreed otherwise the packaging complies with the HPE Pack aging Directive 7KLV ZD...

Page 26: ...fully observe the specifications for long term storage 1 You can find the required type of preservative agent in the following table types of pre servative agents for long term storage 2 Remove the el...

Page 27: ...g Follow the assembly sequence Please ensure that there is sufficient space at the assembly location and that the loca tion is tidy and clean in order to be able to assemble and maintain the coupling...

Page 28: ...n Push fit Press fit Interference fit Not suitable for reversing operation Suitable for reversing operation Shaft tolerance j6 h6 h6 k6 m6 n6 h6 Bore tolerance H7 J7 K7 H7 H7 H7 M7 Table 5 1 Recommend...

Page 29: ...r use under normal operating conditions mill the parallel keyway according to DIN 6885 1 ISO JS9 in coupling part 1 101 and 102 If the coupling is intended for use in reversing operation mill the para...

Page 30: ...ues for the diameter and axial position of the threaded hole depending on the coupling size Size d1 e1 mm e2 mm Tightening torque TA Nm 80 M6 11 4 95 M6 15 4 110 M6 18 4 125 M8 20 8 140 M8 13 8 160 M1...

Page 31: ...e threaded hole as much as possible and must not protrude beyond the hub 5 1 4 Balancing the coupling5 1 Preparatory work Notes on balancing the coupling NOTICE Property damage to coupling part 1 1 If...

Page 32: ...ult can be achieved by balancing the coupling parts 2 and 3 when they are bolted together as an assembly unit When total balancing mark the position of the components relative to one another 5 2 Assem...

Page 33: ...parts 41 411 and 412 on the shaft Loosely connect the half shells to gether using the screws 46 Coupling parts 41 411 and 412 should be able to be shifted along the shaft 4 Position coupling parts 41...

Page 34: ...s with a tapered bore then this can cause the coupling to burst in operation There is a risk of fatal injury from flying fragments If a coupling bursts in an area at risk of explosion then this can re...

Page 35: ...a lack of precision when aligning Misalignment due to operation Example Load related deformation thermal expansion You can minimise misalignment by aligning after assembly A lower misalignment in the...

Page 36: ...y data and weights Page 59 5 3 2 2 Angular misalignment5 3 Aligning the coupling Determine value L L Lmax Lmin The determined value L must not exceed value Lp erm You can find the values for Lperm in...

Page 37: ...05 02en Edition 09 2022 37 5 3 3 Alignment positions5 3 Aligning the coupling The positions to align the coupling can be taken from the following diagram Figure 5 8 Alignment positions of DK type Figu...

Page 38: ...Assembly 5 3 Aligning the coupling 38 Edition 09 2022 M3105 02en...

Page 39: ...issioning of the coupling The coupling can burst and metal parts can be flung out There is a risk of fatal injury from flying fragments Bursting of the coupling can lead to an explosion in potentially...

Page 40: ...Commissioning 40 Edition 09 2022 M3105 02en...

Page 41: ...atmospheres Switch off the unit at once if any malfunctions occur Note during the maintenance work the possible causes of faults and the notes on recti fying them Proceed as described below if there...

Page 42: ...given in section Correcting the changed alignment Page 44 Coupling not suitable for the operating conditions Check the possible causes given in section Unsuitable coupling Page 43 Use a coupling that...

Page 43: ...he coupling was chosen System torque too high and or torque dynamics not permissible System speed too high Application factor not selected correctly Chemically aggressive environment not taken into co...

Page 44: ...es not adhered to Alignment and or shaft misalignment values not set in accordance with the instructions 7 2 2 2 4 Specific installation related and maintenance related causes7 2 Faults causes and rec...

Page 45: ...en Edition 09 2022 45 Procedure 1 Correct the cause for the change in alignment 2 Check the wearing parts for wear and replace them as required 3 Check the locking elements that prevent axial movement...

Page 46: ...Operation 7 2 Faults causes and rectification 46 Edition 09 2022 M3105 02en...

Page 47: ...ntially explosive atmospheres Note also the actual wear of the elastomer components WARNING Physical injury Injury from rotating parts Only carry out work on the coupling when it is not moving Secure...

Page 48: ...at the other coupling part 41 and coupling part 60 60 DKS type In order to determine the torsional backlash rotate one coupling part 1 without applying torque up to the stop Mark coupling part 1 and c...

Page 49: ...coupling parts 41 411 and 412 3 Axially shift coupling parts 41 411 and 412 4 Remove coupling part 60 60 5 Remove the flexible elements 12 6 Install the new flexible elements 12 Please observe the in...

Page 50: ...ents set screw end plate 5 Use a suitable pulling fixture 6 Heat up the coupling part 1 1 using a burner above the parallel keyway along its length to maximum 80 C Note when doing this the temperature...

Page 51: ...u have any technical queries contact our factory or one of our Customer Service addresses Flender GmbH Schlavenhorst 100 46395 Bocholt Germany Tel 49 0 2871 92 0 Fax 49 0 2871 92 2596 Flender GmbH htt...

Page 52: ...Service and support 9 1 Contact 52 Edition 09 2022 M3105 02en...

Page 53: ...M3105 02en Edition 09 2022 53 Disposal 10 Disposal of the coupling Dispose of the coupling parts according to applicable national regulations or recycle them...

Page 54: ...Disposal 54 Edition 09 2022 M3105 02en...

Page 55: ...56 You can find our contact data for ordering replacement parts at Service and support Page 51 Information required when ordering replacement parts Flender order number with item Flender drawing numbe...

Page 56: ...ts list11 2 Spare parts drawing and spare parts list 11 2 1 DK type11 2 Spare parts drawing and spare parts list Figure 11 1 Spare parts drawing for type DK Part number Designation 12 Flexible element...

Page 57: ...09 2022 57 11 2 2 DKS type11 2 Spare parts drawing and spare parts list Figure 11 2 Replacement parts drawing for DKS type Part number Designation 12 Flexible element 70 Coupling part 70 101 Coupling...

Page 58: ...Spare parts 11 2 Spare parts drawing and spare parts list 58 Edition 09 2022 M3105 02en...

Page 59: ...type Page 60 A 1 1 Type DKSpeeds geometry data and weights 4 4 1 4 Figure A 1 Type DK 60 Coupling part 60 411 Coupling part 41 412 Coupling part 41 Size Speed nmax rpm Maximum bore 1 D1 D2 mm DZ mm N...

Page 60: ...0 280 18 3 180 3 700 120 190 75 180 1 5 3 32 330 24 8 200 3 400 130 210 80 180 1 5 3 5 35 340 33 7 225 3 000 150 240 90 180 1 5 3 5 39 360 46 9 Table A 1 Speed geometry data and weights for DK type 1...

Page 61: ...5 3 5 52 221 31 250 2 600 100 165 100 54 2 4 60 254 44 280 2 400 110 180 110 54 2 4 65 274 59 Table A 2 Speed geometry data and weights for DK type 1 Maximum bore for parallel keyway in accordance wit...

Page 62: ...012 0 09 0 09 0 31 0 35 Table A 3 Maximum permissible shaft misalignment values during operation For a different speed calculate the maximum permissible misalignment values correspond ing to the follo...

Page 63: ...nt values correspond ing to the following equations Krperm Krperm 1 500 40 n Kwperm Kwperm 1 500 40 n Lperm Lperm 1 500 40 n Coupling speed n in rpm Radial misalignment Krperm in mm Angular misalignme...

Page 64: ...iquid screw locking agent in ac cordance with these instructions Use with lubricant paint or lubricant is not permitted A 5 Flexible elements 12 Flexible elements 12 A 5 1 Use and storage of flexible...

Page 65: ...fers to the product mentioned above The object of this declaration described above complies with the statutory requirements Regulations 2016 No 1107 Specification of designated standards or other tech...

Page 66: ...Declaration of Conformity UK Declaration of Conformity 66 Edition 09 2022 M3105 02en...

Page 67: ......

Page 68: ...N EUPEX Assembly and operating instructions M3105 02en Edition 09 2022 Flender GmbH Alfred Flender Stra e 77 46395 Bocholt Germany...

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