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Centa CENTAFLEX-A CF-A-800-0 Series Assembly And Operating Instructions Manual Download Page 19

Assembly and operating instructions 

CENTAFLEX-A 

CF-A-800-0…3 

M008-00077-EN 

Rev. 1 

 
 

CENTA Antriebe Kirschey GmbH 

19 / 51 

6.3

 

Mounting the hub (type 1) and flange hub (type 2)  

¾

 

Mount the hub and flange hub according to the design (see installation 
drawing).  

¾

 

Overview of possible hubs/flange hubs and chapter of the mounting, see 
following table.  

  

 

  

Possible 

design

 

Mounting the hub/flange hub with …

 

see chapter

 

 

 
cylindrical drilling and feather key 

 

6.3.1 

 

 
conical drilling and feather key 

 

6.3.2 

 

 
toothing 

 

6.3.3 

 

 
CENTALOC clamping 

 

6.3.4 

 

 
CENTA-conical clamping 

 

6.3.5 

 

 
conical oil interference fit 

 

6.3.6 

Table 6-1 Overview of possible hub/flange hub design  

  

Summary of Contents for CENTAFLEX-A CF-A-800-0 Series

Page 1: ...CENTAFLEX A Assembly and operating instructions CF A 800 0 3 M008 00077 EN Rev 1 ...

Page 2: ...ecifications 12 5 Alignment of the units being connected 13 5 1 Axial alignment 13 5 2 Radial alignment 14 5 3 Angular alignment 15 6 Mounting 16 6 1 General assembly instructions 16 6 2 Mounting the coupling according to the supplied type 18 6 3 Mounting the hub type 1 and flange hub type 2 19 6 3 1 Mounting the hub flange hub with cylindrical drilling and feather key 20 6 3 2 Mounting the hub fl...

Page 3: ...the rubber element 43 9 2 1 Dismantling the radial screws 43 9 2 2 Dismantling the axial screws 44 9 2 3 Dismantling the rubber element 45 9 3 Dismantling the flange if necessary 45 9 4 Dismantling the hub flange hub if necessary 46 9 4 1 Dismantling the hub flange hub with cylindrical drilling and feather key 46 9 4 2 Dismantling the hub flange hub with conical drilling and feather key 46 9 4 3 D...

Page 4: ...e CENTA conical clamping hub flange hub 26 Fig 6 6 Mounting the hub flange hub with conical oil interference fit 28 Fig 6 7 Mounting the flange type 3 31 Fig 6 8 Positioning the rubber element 32 Fig 6 9 Mounting the axial screws 33 Fig 6 10 Mounting the axial screws with the help of the mounting fixture 34 Fig 6 11 Mounting the radial screws 36 Fig 8 1 Examples of wear zones at the CF A rubber el...

Page 5: ...dard 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 hea...

Page 6: ...vention 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 not ...

Page 7: ...ns 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 wi...

Page 8: ...ny 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 Top...

Page 9: ...ibly 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 parameters th...

Page 10: ...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 damage ...

Page 11: ...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 RECYCLIN...

Page 12: ...m silent and electrically insulating The coupling is low maintenance The rubber parts are not subject to wear resulting in a long service life and no generation of dirt rubber particles The rubber element is air flushed all round resulting in good dissipation of the generated heat The rubber element remains cool By slackening the radial screws the drive can be conveniently separated and rotated wi...

Page 13: ... connected 5 1 Axial alignment Fig 5 1 Axial alignment Item Info Designation Remark 1 Rubber element 2 Hub 6 9 Flange hub Flange B Flange Customer part C Hub Customer part Determine the installation dimension S from the installation drawing Align the units axially installation dimension S KA max Permissible axial alignment tolerance KA max 1 0 mm ...

Page 14: ...14 51 5 2 Radial alignment Fig 5 2 Radial alignment Item Info Designation Remark 1 Rubber element 2 Hub 6 9 Flange hub Flange B Flange Customer part C Hub Customer part Determine the radial misalignment see Fig 5 2 Align the units calculated deviation KR max Permissible radial alignment tolerance KR max 0 5 mm ...

Page 15: ...15 51 5 3 Angular alignment Fig 5 3 Angular alignment Item Info Designation Remark 1 Rubber element 2 Hub 6 9 Flange hub Flange B Flange Customer part C Hub Customer part Determine the angular misalignment see Fig 5 3 Align the units calculated deviation KW max Permissible angular alignment tolerance KW max 0 3 ...

Page 16: ...nal 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 Contac...

Page 17: ...ing devices for assembly Elements for connection of the coupling to customer components do not form part of the delivery The following assembly stages are described for coupling CF A 800 Part illustration and marking may slightly differ from installation drawing and delivery state IMPORTANT Use exclusively new screws supplied by CENTA These are coated with microencapsulated adhesive INBUS PLUS IP ...

Page 18: ...nding on the type The supplied design is part of the couplings designation Example Mount the coupling according to the design in following order The supplied design and the build in parts have to be gathered from the Mounting the hub flange hub type 1 and 2 see chapter 6 3 Mounting the flange type 3 see chapter 6 4 Positioning the rubber element see chapter 6 5 Mounting the rubber element see chap...

Page 19: ...esign see installation drawing Overview of possible hubs flange hubs and chapter of the mounting see following table Possible design Mounting the hub flange hub with see chapter cylindrical drilling and feather key 6 3 1 conical drilling and feather key 6 3 2 toothing 6 3 3 CENTALOC clamping 6 3 4 CENTA conical clamping 6 3 5 conical oil interference fit 6 3 6 Table 6 1 Overview of possible hub fl...

Page 20: ... with cylindrical drilling and feather key Item Info Designation Remark 2 6 Hub Flange hub Shown is the hub 16 Threaded pin DIN914 See installation drawing A Shaft Customer part a Face of shaft b Face of hub flange hub CAUTION Material damage can occur as a result of Incorrect heating of the hubs flange hubs Heat the hubs flange hubs steadily in a fan oven on an electric hot plate either inductive...

Page 21: ...f the shaft must not protrude to the face of the hub flange hub Otherwise the operation of the coupling 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 Secure the hub flange hub 2 6 if necessary with the threaded pin 16 Threaded pin size acc the installation drawing tighten...

Page 22: ...d feather key Item Info Designation Remark 2 6 Hub flange hub Shown is the hub A Shaft Customer part E Nut Customer part H Washer Customer part b Face of hub flange hub Push the hub flange hub 2 6 onto the shaft A Brace the hub flange hub 2 6 against the shaft A using the washer H and the nut E IMPORTANT The screw connection of the shaft must not protrude to the face of the hub flange hub Otherwis...

Page 23: ...tomer part G Screw Customer part H Washer Customer part b Face of hub flange hub h Shaft shoulder Push the hub flange hub 2 6 onto the shaft A against the shaft shoulder h Take the mounting position of the hub flange hub 2 6 from the installation drawing Brace the hub flange hub 2 6 against the shaft A using the washer H and the screw G IMPORTANT The screw connection of the shaft must not protrude...

Page 24: ...ALOC clamping hub flange hub Fig 6 4 Mounting the CENTALOC clamping hub flange hub Item Info Designation Remark 2 6 Hub flange hub Pre mounted Shown is the hub 27 28 Parallel pin DIN7 See installation drawing 29 Threaded pin 30 Circlip DIN472 See installation drawing A Shaft Customer part e Shaft end h Shaft shoulder j Back side of circlip ...

Page 25: ...the circlip j IMPORTANT Ensure that the hub flange hub is correctly positioned on the shaft against shaft end If necessary brace hub with washer against the shaft without circlip 30 Push the hub flange hub 2 6 onto the shaft A against the shaft shoulder h IMPORTANT Ensure that the hub flange hub is correctly positioned on the shaft against shaft shoulder If necessary brace hub with washer against ...

Page 26: ...onical clamping hub flange hub Item Info Designation Remark 2 6 Hub flange hub Pre mounted assembly Shown is the hub 2 1 6 1 Hub flange hub Pre mounted 2 2 6 2 Hub taper Pre mounted 2 3 6 3 Circlip Design of the hub flange hub see installation drawing 2 4 6 4 Screw A Shaft Customer part e Shaft end f Shaft extension h Shaft shoulder j Back side of circlip k Conical surface l Forcing thread m Drill...

Page 27: ...allation drawing onto the shaft A with circlip 2 3 6 3 Push the hub taper 2 2 6 2 with the hub flange hub 2 1 6 1 onto the shaft A until the shaft end e touches the back side of the circlip j IMPORTANT Ensure that the hub conus is correctly positioned on the shaft against shaft end If necessary brace hub conus with washer against the shaft without circlip 2 3 6 3 Push the hub taper 2 2 6 2 with th...

Page 28: ...ult of Non compliance with the operating instructions for the hydraulic pumps Before carrying out work with the hydraulic pumps do not fail to read their operating instructions Only ever work with hydraulic pumps as described in their operating instructions WARNING Injury and material damage can occur as a result of Hydraulic fluid spraying out Use protective goggles Fig 6 6 Mounting the hub flang...

Page 29: ... at 20 C e g SKF LHDF900 Lightly oil the cone of the shaft A Push the hub flange hub 2 6 onto the shaft A Remove the screw plug 26 from the hub flange hub 2 6 Connect the pump for expanding the hub flange hub 2 6 to the thread G g Screw the pump for pushing on the hub flange hub to the shaft Build up the oil pressure to push on the hub flange hub WARNING Material damage can occur as a result of To...

Page 30: ...pump for expanding the hub flange hub from the hub flange hub 2 6 Maintain the oil pressure for pushing on the hub flange hub for one hour Decrease the oil pressure for pushing on the hub flange hub Remove the pump for pushing on the hub flange hub from the shaft Turn the hub flange hub 2 6 allow the oil to run out of the thread G g and dispose of it correctly Screw the screw plug 26 into the hub ...

Page 31: ...v 1 CENTA Antriebe Kirschey GmbH 31 51 6 4 Mounting the flange type 3 Fig 6 7 Mounting the flange type 3 Item Info Designation Remark 9 Flange D Screw Customer part K Hub Customer part Push the flange 9 onto the centring of the hub K Screw the flange 9 with screws D to the hub K ...

Page 32: ... Positioning the rubber element Item Info Designation Remark 1 Rubber element 2 Hub C Hub Customer part b Face of hub c Contact surface of rubber element Push the rubber element 1 centred onto the hub 2 C The contact surfaces of the rubber element c must be on the side of face of the hub b 6 6 Aligning the units Align the units to be connected see chapter 5 ...

Page 33: ... see chapter 6 7 2 6 7 1 Mounting the axial screws Fig 6 9 Mounting the axial screws Item Info Designation Remark 1 Rubber element 2 Hub 3 Screw DIN 912 10 9 M22x140 IP 4 Washer 6 9 Flange hub flange B Flange Customer part C Hub Customer part I IV Order of Mounting Start with I order of mounting Screw by hand the rubber element 1 to the flange customer part flange flange hub B 6 or 9 using two scr...

Page 34: ...mounting fixture Item Info Designation Remark 1 Rubber element 2 Hub 3 Screw DIN 912 10 9 M22x140 IP 4 Washer 6 9 Flange hub flange 97 Mounting fixture 11 61685 00 97 3 Lashing strap 97 4 Screw ISO 4017 8 8 M16x150 97 6 Screw ISO 4014 8 8 M12x90 97 7 Nut ISO 7040 10 M12 B Flange Customer part C Hub Customer part o First claw hook p Second claw hook I IV Order of mounting ...

Page 35: ...e claw hook P in the mounting fixture 97 Secure the screw 97 6 with the nut 97 7 Tighten the screws 97 4 of the mounting fixture 97 alternately until the axial drillings of the rubber element 1 and the threads of the flange customer part flange flange hub B 6 or 9 are aligned Screw by hand the rubber element 1 to the flange customer part flange flange hub B 6 or 9 using two screws 3 and washers 4 ...

Page 36: ...ion Remark 1 Rubber element 2 Hub 7 Screw DIN 912 10 9 M22x140 IP 8 Washer C Hub Place the washer 8 in the rubber element 1 Push all screws 7 into the washer 8 and rubber element 1 and screw them first four to five threads into the hub 2 C Repeat the mounting section above in turn until the screws 7 are screwed by hand Fasten all screws 7 crosswise with the prescribed tightening torque see chapter...

Page 37: ... of Loose screw connections Before commissioning the tightening torque levels of all screws must be checked and corrected if necessary CAUTION Motor damage can occur as a result of High axial forces at the axial bearings of the crank shaft Prior to commissioning the system ensure that the crank shaft has axial play Before commencing long term operation the plant must successfully complete a test r...

Page 38: ...nment error 1 Switch off the plant 2 Check alignment correct if applicable 3 Trial run Running noises or vibrations in the plant Loose screws 1 Switch off the plant 2 Check alignment correct if applicable 3 Check screw torque levels and correct if necessary 4 Trial run Alignment error 1 Switch off the plant 2 Exchange defective parts 3 Check alignment correct if applicable 4 Trial run Breakage of ...

Page 39: ... the coupling switch off the plant and secure against unintentional start up The coupling requires low maintenance We recommend a visual inspection at the regular scheduled maintenance intervals for the whole unit 8 1 Work to be 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 part...

Page 40: ...to the adhesion of rubber and metal parts in the zones indicated by the arrows Pressure folds creasing in these zones may be considered normal In the event of cracks more than 3 mm deep or rubber to metal connections have become detached the rubber parts must be exchanged Fig 8 1 Examples of wear zones at the CF A rubber element indicated by arrows 8 1 4 Inspection of the screw connections Check t...

Page 41: ... parts IMPORTANT Exchange the rubber elements in the event of damage Remove the coupling as described in chapter 9 Replace wearing parts IMPORTANT Use exclusively new screws supplied by CENTA These are coated with microencapsulated adhesive INBUS PLUS IP which serves as a screw locking medium Mount the coupling as described in chapter 6 ...

Page 42: ... 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 coupling components against falling to the floor CAUTION Material damage...

Page 43: ... 2 Dismantling the rubber element Dismantling the radial screws see chapter 9 2 1 Dismantling the axial screws see chapter 9 2 2 Dismantling the rubber element see chapter 9 2 3 9 2 1 Dismantling the radial screws See Fig 6 11 Loosen all screws 7 of the connection rubber element 1 and hub 2 C and remove with washers 8 ...

Page 44: ... the help of the mounting fixture Item Info Designation Remark 1 Rubber element 2 Hub 3 Screw DIN 912 10 9 M22x140 IP 4 Washer 6 9 Flange hub Flange 97 Mounting fixture 11 61685 00 97 3 Lashing strap 97 4 Screw ISO 4017 8 8 M16x150 97 6 Screw ISO 4014 8 8 M12x90 97 7 Nut ISO 7040 10 M12 B Flange Customer part C Hub Customer part o First claw hook p Second claw hook I IV Order of dismantling ...

Page 45: ...nut 97 7 Tighten the screws 97 4 of the mounting fixture 97 alternately until tensed the lashing strap 97 3 Loosen the screw 3 under the mounting fixture 97 and remove with washers 4 Loosen the screws 97 4 of the mounting fixture 97 Loosen one nut 97 7 and remove with screw 97 6 off the mounting fixture 97 Unhook the lashing strap 97 3 and position the lashing strap 97 3 with mounting fixture 97 i...

Page 46: ...b flange hub see chapter 9 4 5 Dismantling the hub flange hub with conical oil interference fit see chapter 9 4 6 9 4 1 Dismantling the hub flange hub with cylindrical drilling and feather key See Fig 6 1 Loosen the threaded pins 16 if existing and remove off the hub flange hub 2 6 Remove the hub flange hub 2 6 from the shaft A 9 4 2 Dismantling the hub flange hub with conical drilling and feather...

Page 47: ...b with conical oil interference fit WARNING Injury and material damage can occur as a result of Non compliance with the operating instructions for the hydraulic pumps Before carrying out work with the hydraulic pumps do not fail to read their operating instructions Only ever work with hydraulic pumps as described in their operating instructions WARNING Injury and material damage can occur as a res...

Page 48: ... of the expanding pressure may not exceed 35 bar minute Slowly build up oil pressure to expand the hub flange hub pmax 1500 bar Slowly reduce the oil pressure for holding the hub flange hub Slowly reduce the oil pressure for expanding the hub flange hub Repeat the above mounting section until the hub flange hub is completely released from the shaft Remove the pump for holding the hub flange hub fr...

Page 49: ...s 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 part of this coupling Rubber element IMPORTANT When exchanging all screw connections of the rubber elements must be renewed These must be ordered separately IMPORTANT Use exclusively new screws supplied by CENTA These are coate...

Page 50: ...coated with microencapsulated adhesive INBUS PLUS IP which serves as a screw locking medium Preparation of parts that are to be screwed together The joining areas must be free of dirt preservatives and lubricants Preparation of IP screws Give the IP screws extra lubrication with grease under the screw head Screw tightening method Screw in by hand with torque wrench Curing time for the microencapsu...

Page 51: ...Machinery Directive 2006 42 EC Appendix I subchapter 1 1 2 1 1 3 1 1 5 1 3 2 1 3 3 1 3 4 und 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 interdicted...

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