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Assembly and operating instructions

CENTAX-G

020G-00050…00090-F.10

M020-00009-EN

Rev. 4

CENTA Antriebe Kirschey GmbH

25 / 52

CAUTION

Injuries can occur as a result of:



Hot coupling components

Use suitable protective gloves.



Heat the hub (3) to a temperature of 170° - 200°C.



Push the hub (3) onto the shaft (A).

IMPORTANT

Face of shaft must not protrude to face of hub. Otherwise radial replacement of other
coupling parts is not guaranteed.

CAUTION

Material damage can occur as a result of:



Hot hubs/flange hubs

Before further mounting of hubs/flange hubs, allow them to cool to
ambient temperature.

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Содержание CENTAX-G

Страница 1: ...CENTAX G Assembly and operating instructions 020G 00050 00090 F 10 M020 00009 EN Rev 4 ...

Страница 2: ... 4 Disposal 12 4 Technical description 13 4 1 Characteristics 13 4 2 Specifications 13 5 Alignment of the units being connected 14 5 1 Axial alignment 15 5 2 Radial alignment 16 5 3 Angular alignment 18 6 Mounting 20 6 1 General assembly instructions 20 6 2 Mounting overview 22 6 3 Mounting the hub 3 if existing 24 6 3 1 Mounting the hub with cylindrical bore and keyway 24 6 3 2 Mounting the hub w...

Страница 3: ... 43 8 1 Work to be performed 43 8 1 1 Cleaning the coupling 43 8 1 2 Visual inspection of the coupling 43 8 1 3 Visual inspection of the rubber elements rubber segments 43 8 1 4 Inspection of the screw connections 43 8 2 Replacing defective parts 43 9 Dismantling 44 9 1 General dismantling instructions 44 9 2 Disconnecting the rubber element 1 1 and the membrane 45 9 3 Dismantling the membrane 1 2...

Страница 4: ...sting necessary 47 9 11 1 Dismantling the hub with cylindrical bore and keyway 47 9 11 2 Dismantling the hub with conical oil interference fit 48 9 12 Reassembling the coupling 49 10 Wearing and spare parts 50 11 Annex 51 11 1 CENTA data sheet D013 013 lubricated screw connections 51 11 2 CENTA data sheet D020 900 Declaration of incorporation according to the EC Machinery Directive 2006 42 EC Appe...

Страница 5: ...rubber element 1 1 31 Fig 6 7 Mounting the pre mounted rubber element F to the flywheel 32 Fig 6 8 Positioning the rubber element 1 1 and the ring 1 4 33 Fig 6 9 Mounting the adapter 4 to the flywheel 34 Fig 6 10 Mounting the rubber element 1 1 and the ring 20 if existing to the adapter 4 35 Fig 6 11 Mounting the ring 1 4 37 Fig 6 12 Mounting the membrane coupling sizes 00050 00075 38 Fig 6 13 Mou...

Страница 6: ...tandard DIN EN ISO 9001 2000 In the interests of further development CENTA reserves the right to make technical changes IMPORTANT CENTA is unable to accept liability for damage and operating faults caused by failure to observe the operating instructions These operating instructions are protected under copyright to CENTA Antriebe Kirschey GmbH In case of technical questions please enquire with our ...

Страница 7: ...prevention regulations valid at the installation site in question must be adhered to when performing any of the tasks described in these operating instructions 2 1 Safety remarks In these operating instructions safety remarks are indicated by a pictogram and a signal word 2 1 1 Signal words The following signal words are used in the safety remarks DANGER Denotes the immediate threat of danger If n...

Страница 8: ...tions may only be performed by authorized persons with adequate training and instruction WARNING Injury and material damage can occur as a result of Work at the coupling which is not described in these instructions Only carry out work which is described in these operating instructions 2 3 Intended application WARNING Injury and material damage can occur as a result of Application not in compliance...

Страница 9: ...n any rotating parts which may be work loose Guarantee sufficient ventilation for the coupling This enclosure must be made of stable steel components In order to ensure adequate ventilation for the coupling the enclosure must be fitted with regular openings For safety reasons these openings must not exceed the dimensions outlined in table 2 1 Component Circular openings mm Rectangular openings mm ...

Страница 10: ...missibly high or low speeds Exceeding the specified ambient temperature Inadmissible ambient medium Inadmissible coupling enclosure Exceeding the admissible overall misalignment values Only use the coupling for the specified application CENTA bears no liability for damage resulting from application not in compliance with the intended use of the equipment Should there be a change of plant parameter...

Страница 11: ...al damage to coupling components can occur as a result of Contact with sharp edged objects Protect coupling components for transportation Only hoist coupling components with nylon belts or ropes Always cushion parts when supporting them from below Following transportation damage Check the coupling carefully for damage Consult the manufacturer Address see chapter 1 3 3 Storage CAUTION Material dama...

Страница 12: ...ls etc in the same location For more details refer to DIN 7716 3 3 2 Storage of couplings flexible elements Unpack the parts Check the packaging for damage Replace if necessary Check that the wax protection on steel components is intact If necessary patch or renew Package the parts for prolonged periods of storage enclose desiccant and weld into film Place the parts into storage 3 4 Disposal RECYC...

Страница 13: ...essary torsional rigidity for optimal vibration behaviour of the unit can be ensured All sides of the rubber element are ventilated all round in order to guarantee good heat dissipation and high heat capacity High dynamic capacity and balancing quality Simple cost effective design with compact dimensions low weight and mass moment of inertia Wear free low maintenance simple to install In all the s...

Страница 14: ... is composed of the misalignment and the operating misalignment The permissible overall misalignment values can be found in the corresponding catalogue and must not be exceeded All permissible alignment tolerances apply to arrangements at operating temperatures If the arrangement would be aligned at a different temperature there would be additional deviations in the arrangement which were produced...

Страница 15: ...Axial misalignment Item Info Designation Remark 3 Hub If scope of supply 17 Adapter If scope of supply C Flywheel Customer part E Flange Customer part Determine the axial misalignment see Fig 5 1 Take installation length L from the installation drawing Align the units installation dimension L KA max Permissible axial alignment tolerance KA max 0 5 mm ...

Страница 16: ...er If scope of supply C Flywheel Customer part E Flange Customer part CAUTION Material damage to elastically installed engines can occur as a result of Disregard to which extent the engine mounts may settle during alignment During vertical alignment take into account the extent by which the engine mounts settle Please enquire about specifications for the degree of settling from the engine manufact...

Страница 17: ...urn the flange hub adapter E 3 17 with dial gauge and flywheel C slowly by 360 Align the units calculated deviation KR max The permissible radial alignment tolerance KR max can be found in the following table Size Shorehardeness Shore A KR max mm 50 56 45 50 60 0 45 70 0 15 64 65 50 60 0 45 70 0 15 66 70 50 60 0 6 70 0 18 72 50 60 0 75 70 0 22 75 50 60 0 82 70 0 25 78 50 60 0 9 70 0 3 80 50 60 1 0...

Страница 18: ...0050 00090 F 10 M020 00009 EN Rev 4 CENTA Antriebe Kirschey GmbH 18 52 5 3 Angular alignment Fig 5 3 Angular misalignment Item Info Designation Remark 3 Hub If scope of supply 17 Adapter If scope of supply C Flywheel Customer part E Flange Customer part ...

Страница 19: ...Turn the flange hub adapter E 3 17 with dial gauge and flywheel B slowly by 360 The maximum dial gauge deflection must not exceed the value 2xSw at any point The permissible tolerance SW max should be taken from the table below Align the units calculated deviation KW max Permissible angular alignment tolerance KW max 0 05 Size R mm SW max mm 50 64 225 0 20 66 70 250 0 22 71 72 300 0 26 75 325 0 28...

Страница 20: ...tional start up WARNING Injury and material damage can occur as a result of Assembly of the coupling in the wrong sequence Only ever assemble the coupling in the described sequence WARNING Injury and material damage can occur as a result of Falling coupling components Secure coupling components against falling to the floor CAUTION Material damage to coupling components can occur as a result of Con...

Страница 21: ... used for screw locking This type of screw locking medium may not be in contact with rubber parts IMPORTANT Screw preparation and tightening torque levels in accordance with CENTA data sheet D013 013 see chapter 11 1 Use suitable lifting devices for assembly The following assembly stages are described for coupling 020G 00070 F 10 Part illustration and marking may differ slightly from installation ...

Страница 22: ...llowing figure is showing examples of possible design Fig 6 1 Example 020G 00050 00090 F 10 Item Info Designation Remark 1 1 Rubber element 1 2 1 Membrane 1 4 Ring 1 9 Ring Design and size see installation drawing 3 Hub If scope of supply 4 Adapter 17 Adapter If scope of supply 20 Ring If scope of supply F Rubber element assembly Pre mounted by CENTA ...

Страница 23: ...see installation drawing Mounting the hub 3 see chapter 6 3 Mounting the adapter 17 see chapter 6 4 Aligning the units see chapter 5 Positioning the membrane 1 2 1 see chapter 6 6 Positioning the ring 1 4 inside the rubber element 1 1 see chapter 6 7 Mounting the pre mounted rubber element F to the flywheel see chapter 6 9 Mounting the rubber element 1 1 the ring 20 if existing and the adapter 4 t...

Страница 24: ...r 6 3 1 Mounting the hub with conical oil interference fit see chapter 6 3 2 6 3 1 Mounting the hub with cylindrical bore and keyway Fig 6 2 Mounting the hub with cylindrical bore and keyway Item Info Designation Remark 3 Hub A Shaft Customer part a Face of shaft b Face of hub CAUTION Material damage can occur as a result of Incorrect heating of the hubs flange hubs Heat the hubs flange hubs stead...

Страница 25: ...se suitable protective gloves Heat the hub 3 to a temperature of 170 200 C Push the hub 3 onto the shaft A IMPORTANT Face of shaft must not protrude to face of hub Otherwise radial replacement of other coupling parts is not guaranteed CAUTION Material damage can occur as a result of Hot hubs flange hubs Before further mounting of hubs flange hubs allow them to cool to ambient temperature ...

Страница 26: ...il interference fit Fig 6 3 Mounting the hub with conical oil interference fit Item Info Designation Remark 3 Hub 19 Screw plug G or G see installation drawing A Shaft Customer part a Face of shaft b Face of hub c Thread G or G see installation drawing Lightly oil the cone of the shaft A Push the hub 3 onto the shaft A Remove the screw plug 19 from the hub 3 ...

Страница 27: ... at 20 C e g SKF LHMF300 For dismantling Oil with a viscosity 900 mm2 s at 20 C e g SKF LHDF900 Connect the pump pmax 3000 bar for expanding the hub 3 to the thread G or G c Screw the pump for pushing on the hub to the shaft Build up the oil pressure to push on the hub WARNING Material damage can occur as a result of Insufficient expanding pressure in the hub If the expanding pressure is too low t...

Страница 28: ...ump for pushing on the hub from the shaft Turn the hub 3 drain oil out of the thread G or G c and dispose correctly Screw the screw plug 19 into the hub 3 IMPORTANT Do not place a load on the hub for 24 hours IMPORTANT Face of shaft must not protrude to face of hub Otherwise radial replacement of other coupling parts is not guaranteed ...

Страница 29: ...or the membrane Push the adapter 17 onto into the centring of the flange hub E 3 see installation drawing The centring k must be directed towards the membrane 1 2 1 Screw the adapter 17 to the flange hub E 3 The screwing can be taken from the installation drawing IMPORTANT Tightening torques for elements to connect couplings with customer parts could deviate from CENTA data sheet D013 013 Consider...

Страница 30: ... scope of supply E Flange Customer part r Radius Position the membrane 1 2 1 as appropriate for the coupling size supplied see installation drawing Positioning the membrane and the ring coupling sizes 00050 00075 Place the ring 1 9 and the membrane 1 2 1 on the flange hub adapter E 3 17 see installation drawing The radius r of the ring 1 9 must point towards the membrane 1 2 1 Positioning the memb...

Страница 31: ...ing 4 Adapter F Pre mounted rubber element Pre mounted by CENTA d Radius Loosely place the ring 1 4 inside the rubber element 1 1 The radius d must be directed outwards 6 8 Mounting the rubber element and the adapter Mount the rubber element and adapter 4 as appropriate for the type supplied see installation drawing Mounting the pre mounted rubber element F to the flywheel see chapter 6 9 Mounting...

Страница 32: ...89 300HV If ordered C Flywheel Costumer part F Pre mounted rubber element Pre mounted by CENTA Push the pre mounted rubber element F with the ring 1 4 into the centring of the flywheel C Screw the pre mounted rubber element F to the flywheel C using the screws 30 and the washers 31 The ring 1 4 remains inside the pre mounted rubber element F for later mounting IMPORTANT Tightening torques for elem...

Страница 33: ...the adapter 4 to the flywheel 6 10 1 Positioning the rubber element 1 1 and the ring 1 4 Fig 6 8 Positioning the rubber element 1 1 and the ring 1 4 Item Info Designation Remark 1 1 Rubber element 1 4 Ring 3 Hub If scope of supply 17 Adapter If scope of supply C Flywheel Customer part E Flange Customer part Place the rubber element 1 1 with the ring 1 4 on the flange hub adapter E 3 17 ...

Страница 34: ...l Item Info Designation Remark 4 Adapter 31 Washer If ordered 30 Screw If ordered C Flywheel Customer part Push the adapter 4 into the centring of the flywheel C Screw the adapter 4 to the flywheel C using the screws 30 and the washers 31 IMPORTANT Tightening torques for elements to connect couplings with customer parts could deviate from CENTA data sheet D013 013 Consider specifications on instal...

Страница 35: ...he ring 20 if existing to the adapter 4 Fig 6 10 Mounting the rubber element 1 1 and the ring 20 if existing to the adapter 4 Item Info Designation Remark 1 1 Rubber element 1 4 Ring 3 Hub If scope of supply 4 Adapter 17 Adapter If scope of supply 20 Ring If scope of supply 34 Screw ISO4762 10 9 35 Washer ISO7089 300HV C Flywheel Customer part E Flange Customer part ...

Страница 36: ...adapter 4 Push the rubber element 1 1 onto the centring of the ring 20 Screw the rubber element 1 1 and the ring 20 to the adapter 4 using the screws 34 and the washers 35 The ring 1 4 remains inside the rubber element 1 1 for later mounting Mount the rubber element 1 1 without the ring 20 Push the rubber element 1 1 onto the centring of the adapter 4 Screw the rubber element 1 1 to the adapter 4 ...

Страница 37: ... scope of supply 8 Screw ISO4762 10 9 17 Adapter If scope of supply E Flange Customer part Push the ring 1 4 onto the centring of the flange hub adapter E 3 17 Screw the flange hub adapter E 3 17 to the ring 1 4 using the screws 8 6 12 Mounting the membrane 1 2 1 Mount the membrane as appropriate for the coupling size supplied Mounting the membrane sizes 00050 00075 see chapter 6 12 1 Mounting the...

Страница 38: ...00050 00075 Item Info Designation Remark 1 2 1 Membrane 1 4 Ring Covered by membrane 1 2 1 1 9 Ring 1 10 Screw ISO4762 10 9 3 Hub If scope of supply 17 Adapter If scope of supply E Flange Customer part Push the membrane 1 2 1 onto the centring of the flange hub adapter E 3 17 Push the ring 1 9 onto the centring of the flange hub adapter E 3 17 Screw the ring 1 9 and the membrane 1 2 1 to the ring ...

Страница 39: ...g Covered by membrane 1 2 1 1 9 Ring segmented 1 10 Screw ISO4762 10 9 3 Hub If scope of supply 17 Adapter If scope of supply E Flange Customer part r Radius Push the membrane 1 2 1 onto the centring of the flange hub adapter E 3 17 Screw the ring segmented 1 9 and the membrane 1 2 1 to the ring 1 4 using the screws 1 10 The radius r of the ring segmented 1 9 must be on the side of the membrane 1 ...

Страница 40: ...ructions CENTAX G 020G 00050 00090 F 10 M020 00009 EN Rev 4 CENTA Antriebe Kirschey GmbH 40 52 6 13 Connecting the rubber element 1 1 and the membrane Fig 6 14 Connecting the rubber element 1 1 and the membrane Fig 6 15 Detail X ...

Страница 41: ...ø18H7 Turn the membrane 1 2 1 towards the rubber element 1 1 until the drillings e and h for the bushes 1 2 3 are aligned Push the bushes 1 2 3 into the drillings e and h 2x180 of the rubber element 1 1 and the membrane 1 2 1 Screw the rubber element 1 1 the bushes 1 2 3 and the membrane 1 2 1 using the screws 1 2 8 the washers 1 2 7 and the nuts 1 2 9 2x180 Screw the rubber element 1 1 and the me...

Страница 42: ... Operating faults root causes and remedy Faults Possible root causes Remedy Prior to all kinds of remedies Switch off the plant Running noises or vibrations in the unit Alignment error Check alignment and correct Check screw torque levels and correct Loose screws Membrane or rubber element damaged Alignment error Check alignment and correct Replace defective parts Eliminate the cause for inadmissi...

Страница 43: ... performed 8 1 1 Cleaning the coupling Remove any loose dirt from the coupling 8 1 2 Visual inspection of the coupling Inspect the coupling for cracks chips or missing parts Replace faulty and missing parts 8 1 3 Visual inspection of the rubber elements rubber segments IMPORTANT Exchange the rubber elements rubber segments in the event that The wear specifications given in W000 00002 are exceeded ...

Страница 44: ...f Contact with rotating parts Before starting work at the coupling switch off the plant and secure against unintentional start up WARNING Injury and material damage can occur as a result of Dismantling of the coupling in the wrong sequence Only ever dismantle the coupling in the described sequence WARNING Injury and material damage can occur as a result of Falling coupling components Secure coupli...

Страница 45: ...s 00050 00075 See Fig 6 12 Loosen and remove the screws 1 10 of the connection ring 1 9 membrane 1 2 1 and ring 1 4 Pull the ring 1 9 off the centring of the flange hub adapter E 3 17 and place it on the flange hub adapter E 3 17 Pull the membrane 1 2 1 off the centring of the flange hub adapter E 3 17 and place it on the flange hub adapter E 3 17 9 3 2 Dismantling the membrane of the coupling siz...

Страница 46: ...xisting from the adapter 4 See Fig 6 10 Support the rubber element 1 1 Dismantle the rubber element 1 1 with without the ring 20 see installation drawing from the adapter 4 Dismantle the rubber element 1 1 with ring 20 Loosen the screws 34 of the connection rubber element 1 1 ring 20 and adapter 4 and remove with the washers 35 Together with the ring 1 4 pull the rubber element 1 1 off the centrin...

Страница 47: ...the ring 1 9 only at sizes 00050 00075 from the flange hub adapter E 3 17 9 10 Dismantling the adapter 17 if existing necessary See Fig 6 4 Loosen the screws of the connection adapter 17 and the flange hub E 3 and remove Push the adapter 17 off out of the centring of the flange hub E 3 and remove 9 11 Dismantling the hub 3 if existing necessary Dismantle the hub 3 as appropriate for the supplied d...

Страница 48: ...es and material damages can occur by Suddenly loosening hubs Secure the hub with a hydraulic tool against sudden axial loosening IMPORTANT We recommend the following mounting fluids For mounting Oil with a viscosity 300 mm2 s at 20 C e g SKF LHMF300 For dismantling Oil with a viscosity 900 mm2 s at 20 C e g SKF LHDF900 Remove the screw plug 19 from the hub 3 Connect the pump pmax 3000 bar to the t...

Страница 49: ...ebe Kirschey GmbH 49 52 Remove pump for expanding the hub from the hub 3 Turn the hub 3 drain oil out of the thread G or G c and dispose correctly Screw the screw plug 19 into the hub 3 Remove the hub 3 from the shaft A 9 12 Reassembling the coupling Reassemble the coupling as described in chapter 6 ...

Страница 50: ...rts Never use parts from other manufacturers A stock of the most important wearing and spare parts is the most important condition to ensure that the coupling is functional and ready for operation at all times We only provide a warranty for CENTA original parts Wearing parts of this coupling Rubber element When exchanging all screw connections must be renewed These must be ordered separately When ...

Страница 51: ...N ISO 262 unless other specifications are given on CENTA documents Preparation of parts that are to be screwed together The joining areas must be free of dirt preservatives and lubricants Preparation of screws that ARE NOT secured with liquid screw locking medium Give the screws extra lubrication with motor oil under the screw head and in the thread Preparation of screws that ARE secured with liqu...

Страница 52: ... Machinery Directive 2006 42 EC Appendix I subchapters 1 1 2 1 1 3 1 1 5 1 3 2 1 3 3 1 3 4 and 1 5 4 In addition we declare that the special technical documents for this incomplete machine were compiled according to Appendix VII Part B and undertake to forward these to the market monitoring authorities by request via our Documentation Department Commissioning of the incomplete machine is interdict...

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