Highly torsionally flexible rubber disc coupling for internal combustion engine drives

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1 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Kupplungen Products are available from MRYLN METRICS RCUSFLEX Highly torsionally flexible rubber disc coupling for internal combustion engine drives MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US ph: ()5 ()6 fx: ()5 ()799 web: sales@mdmetric.com RFQ form:

2 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Contents page General..... Types..... Technical details standard version with single element... 6 Technical details standard version with elements operating in tandem Technical details silicone version... Materials / Selection of the proper coupling size... 9 imensional details of RCUSFLEX flywheel couplings Type CT...F with taper bush..... imensional details of RCUSFLEX flywheel couplings Type C...F with bolted hub..... imensional details of RCUSFLEX flywheel couplings Type C...FK with bolted hub for radial element change... imensional details of RCUSFLEX shaft couplings Type CT...T and type C...TK..... imensional details of RCUSFLEX flywheel couplings Type C...F with elements operating in tandem... imensional details of RCUSFLEX flywheel couplings Type C...FK with elements operating in tandem and for radial element change... 5 Mounting instruction for RCUSFLEX flywheel couplings Type CT...F with taper bush Mounting instruction for RCUSFLEX flywheel couplings Tightening torques for RCUSFLEX couplings... 7 Mounting instruction for RCUSFLEX flywheel couplings lignment / Permissible shaft displacement... Requested ata for Coupling Selection / Torsional Vibration Calculation February 6 Edition Proprietary notice pursuant to ISO 66 to be observed: This RCUSFLEX edition supercedes all previous catalogues of this coupling type. ll dimensions in millimeters. We reserve the right to change dimensions The reproduction, distribution and utilization of this document as well as the communication of its contents to others without explicit authorization is prohibited. Offenders will be held liable for the payment of damages. ll rights reserved in the event of the grant and/or design details without prior notice. of a patent, utility model or design. REICHKUPPLGEN C_ Pros_e_6

3 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 General RCUSFLEX coupling design C The RCUSFLEX coupling is a highly flexible flywheel coupling with an axial plugin facility. It provides a torsionally soft connection between an internal combustion engine and a driven machine. The highly flexible torque transmission characteristic is achieved by a discshaped rubber element that is subjected to a torsional load and enables both, the absorption of high torsional vibrations and the compensation of major misalignments. For an optimum adaptation to the conditions of application three different kinds of vulcanisates are available: For application temperatures up to C a natural/synthetic caoutchouc mixture as a standard version, up to C a more heat resistant mixture and for higher application temperatures up to C a silicone mixture. The inside diameter of the rubber disc element is vulcanized directly to a taper hub or bolton sleeve. The toothed profile on the circumference of the element provides in service a virtually backlashfree, positive plugin connection to the coupling flange. The RCUSFLEX flywheel coupling series covers a torque range from Nm (corresponding to approx. kw at rpm). Element versions of different torsional stiffnesses are available for optimizing the torsional vibration range. The flange connection dimensions of RCUSFLEX couplings comply predominantly with the SE J 6 and IN 6 standards. Other flange dimensions or overall lengths can be provided on request. Shafttoshaft connections when required can be met by RCUSFLEX shaft couplings which consist of RCUSFLEX flywheel couplings of the standard design equipped with a second hub. Type approvals by a number of leading classification societies are available. If required, couplings complete with fail safe devices can also be supplied. RCUSFLEX couplings comply to explosion protection according to TEX. They are certified according to the directive 9/9/EC and may be used in hazardous locations (categories M, + ). Main features of the highly flexible RCUSFLEX couplings Very high torsional flexibility with a linear torsional deflection characteristic High torsional vibration and shock load absorbing capability Backlashfree torque transmission Ease of assembly thanks to the plugin type design with ample axial float Compensation of major misalignments Torque limitation protecting the drive against overload TEX C_ Pros_e_6

4 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Types Taper bush Flange Taper hub with rubber element RCUSFLEX type CT with taper bush The RCUSFLEX flywheel coupling type CT...F is equipped with a taper bush for shaft mounting. The rubber disc element is vulcanized directly to the taper hub. fter completion of the assembly, a shrinkfitlike connection, free from backlash is established between the coupling hub with rubber disc element and the shaft. Thanks to the use of commercially available taper bushes with a number of different bore dimensions, the need for finishing the bore and keyway of the coupling hub is omitted for the RCUSFLEX coupling type CT. The torque, which can be transmitted, depends on the particular taper bush. dvantage: Ease of assembly and disassembly with no need for special tools! Bolted hub Element with bolton sleeve Flange RCUSFLEX type C...F with bolted hub The RCUSFLEX flywheel coupling type C...F has the rubber disc element vulcanized to a bolton sleeve which in turn is bolted to a hub or similar component. dvantage: epending on the arrangement of the rubber disc element, two different mounting lengths can be achieved using one and the same coupling hub. C_ Pros_e_6

5 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Types X X Spacer ring RCUSFLEX type C...FK for radial element change Type C...FK permits changing the detached element without having to move the coupled machines. Where the flywheel or flywheel housing protrudes excessively from the element, a spacer ring corresponding to oversize X is required for radial removal. RCUSFLEX flywheel coupling type C... F with elements operating in tandem RCUSFLEX shaft coupling type CT...T RCUSFLEX shaft coupling type C... TK with elements operating in tandem RCUSFLEX flywheel coupling type C...S with fail safe device, to be mounted between an internal combustion engine and a marine gearbox. RCUSFLEX flywheel coupling with splined clamping hub, to be mounted between an internal combustion engine and a pump drive. RCUSFLEX flywheel coupling design CVSK... with integral bearing, to be mounted to internal combustion engines as an Ujoint coupling in conjunction with a cardan shaft. Extra folder is available. C_ Pros_e_6 5

6 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Technical details Standard version with element Natural/synthetic caoutchouc mixture NR/SBR RCUSFLEX coupling size C, C,6 C C /. C,9 C 5 / 5. C 6 / 6. C 6,5 C 7 C C 9 C C C C Element version Nominal torque T KN Maximum torque Fatigue torque *) ynamic torsional stiffness Element versions: = 55 Shore ; = Shore ; = Shore ; = 5 Shore ue to the physical characteristics of the rubber materials the measurable rubber hardness is subject to a dispersion, which is defined according to IN 555 with 5 Shore. Because of inhouse manufacturing this dispersion of the shore hardness can be minimized. *) Continuous fatigue torque under reversing stresses T KW at f = Hz; for other frequencies X apply f X C T dyn Flange size Max. speed T Kmax T KW ( Hz) SE J 6 [Nm] [Nm] [Nm] [Nm/rad] [rpm] similar to IN 6 on request n max C_ Pros_e_6

7 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Technical details Standard version with elements Natural/synthetic caoutchouc mixture NR/SBR RCUSFLEX coupling size C C 9 C C C C Element version Nominal torque Maximum torque Fatigue torque *) T KW ( Hz) T KN T Kmax [Nm] [Nm] [Nm] ynamic torsional stiffness C T dyn [Nm/rad] Element versions: = 55 Shore ; = Shore ; = Shore ; = 5 Shore Flange size to SE J 6 similar to IN 6 on request Max. speed n max [rpm] ue to the physical characteristics of the rubber materials the measurable rubber hardness is subject to a dispersion, which is defined according to IN 555 with 5 Shore. Because of inhouse manufacturing this dispersion of the shore hardness can be minimized. *) Continuous fatigue torque under reversing stresses T at f = Hz; for other frequencies KW f apply X T KW f X Resonance factor V Element version R and relative damping V R Technical note : The technical data applies only to the complete coupling or the corresponding coupling elements. It is the customer s/user s responsibility to ensure there are no inadmissible loads acting on all the components. Especially existing SE bolt connections have to be checked regarding the transmittable torque, if necessary other measures, e.g. additional reinforcement by pins, may be required. It is also the customer s/user s responsibility to make sure the dimensioning of the shaft and keyed or other connection is correct. With the type CT...F the transmittable torque is dependant among others on the torque capacity of the taper bush. REICHKUPPLGEN have an extensive programme of couplings to cover nearly every drive configuration. Furthermore customized solutions can be developed and be manufactured also in small series or as prototypes. Calculation programmes are available for coupling selection and sizing. Please challenge us! C_ Pros_e_6 7

8 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Technical details Silicone Version RCUSFLEX coupling size Element version Nominal torque T KN [Nm] Maximum torque T Kmax [Nm] Maximum torque T Kmax [Nm] Fatigue torque *) T KW ( Hz) [Nm] ynamic torsional stiffness C T dyn [Nm/rad] T KN T KN T KN T KN T KN C, C, C C / C, C 5 / C 6 / C 6, C C C C C C C C C C C Element version: = 6 5 Shore *) Continuous fatigue torque under reversing stresses T KW at f = Hz; for other frequencies f X apply T KW fx dditional information for selection of couplings with silicone elements:.6. T N T KN T N = nominal torque of the drive T Kmax is the highest permissible maximum torque of the application taking for example into account starting, stopping and running through the resonance speed. T Kmax is the highest permissible peak torque, which can occur with a limited number of application related conditions, e.g. shortcircuit, synchronization failure, emergency stop. Resonance factor VR and relative damping Element version V R C_ Pros_e_6

9 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Materials of the RCUSFLEX flywheel couplings Coupling flanges: Rubber disc element: C, C high grade aluminium casting C 6,5 ; C C of spheroidal cast iron grade GGG 5 Standard version natural/synthetic caoutchouc mixture for ambient temperatures from C up to + C More heat resistant natural/synthetic caoutchouc mixture for ambient temperatures from 5 C up to + C Silicone mixture for ambient temperatures from 6 C up to C Type CT: Taper hub and taper bush of grey cast iron grade GG 5 Type C with bolted hub: Bolton sleeve of spheroidal cast iron grade GGG / bolted hub of steel (min. yield strength 6 MPa) Selection of the proper coupling size The coupling size to be used in conjunction with internal combustion engines is dimensioned and selected with a view to torsional vibration. For a preliminary selection use the engine torque T N, a general safety factor of S =..5 should be applied for RCUSFLEX couplings with flexible rubber disc elements of natural/synthetic caoutchouc. The following requirements should be satisfied for a proper selection of the coupling size:. The nominal torque capacity T KN of the coupling should be at least equal to the max. engine torque T N at any operating temperature while taking the temperature factor S t into account. Calculation of the nominal engine torque: T KN T N S t T [Nm] = 5 P[kW ] N n[rpm] The temperature factor S t allows for a decreasing load carrying capability of the coupling at elevated ambient temperatures. In this connection S t = S t is valid for the standard version and S t = St is valied for the silicone version. S t St 6 C C..5 C.6.5 C C C C C on request The maximum torque capacity T Kmax of the coupling should be at least equal to the highest torque T max at any operating temperature while taking the temperature factor S t into account. T Kmax T max S t. The permissible continuous fatigue torque under reversing stresses T kw of the coupling should be at least equal to the highest fatigue torque under reversing stresses T W encountered throughout the operating speed range while taking the temperature and frequency into account. The frequency factor S f allows for the frequency dependence of the permissible continuous fatigue torque under reversing stresses T KW ( Hz) for other frequencies f x. T KW(Hz) T W S t S f S = f f X The dimensioning of the coupling should be checked for permissible coupling loads by means of a torsional vibration analysis which will be conducted by us on request. When using RCUSFLEX couplings in drives with great torque transmission variations, an additional safety factor should be applied for torque transmission to the driven machine. Lists specifying couplings assigned to different ratings and torsional vibration conditions are available for all common internal combustion engines operating at constant speeds to facilitate your selection of an operationally safe coupling. The coupling can be equipped with an additional balancing mass on the primary or secondary side, if this is required due to the torsional vibration conditions or for control reasons. Further information for the torsional vibration calculation and for use of the RCUSFLEX rubber disc coupling are available upon request. C_ Pros_e_6 9

10 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 RCUSFLEX flywheel couplings Type CT...F with taper bush Flange connecting dimensions to SE J 6 d and mounting dimensions to IN 6 L L L L T Lx Z=number L L Fig. Z=number L L L 5 Fig. Mounting instruction: If engine and generator connecting dimensions comply with IN 6, the distance dimension LX must be observed during assembly. The coupling dimension LF must be within the tolerance. Flange connection RCUSFLEX Taperbush IN 6 J J Total SE J 6 coupling size Fig. outside SE inside weight Z No. L L L L L 5 T L size x [kgm ] [kgm ] [kg] ±...6 CT,.*).F ± ± ± ± CT,6.*).F ± ± CT.*).F ± ± ± CT.*).F ± ± CT,9.*).F CT 5.*).F ± ± 7 76± ± ± CT 6.*).F ±7 9± CT 6,5.*).F ± 7± CT 7.*).F ± ± CT.*).F CT 9.*).F ± ±7 ± ±.. 7. *) For the element versions, see "Technical details" vailable taper bushes: No. Metric bores with keyway acc. to IN / Taper bushes with imperial size bores can also be supplied. Ordering example: Coupling designation: RCUSFLEX coupling size Element version acc. to Technical details Size of flange connection to SE J 6 Nominal size of taper bush Bore diameter C_ Pros_e_ CT.. F

11 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 RCUSFLEX flywheel couplings Type C...F with bolted hub Flange connecting dimensions to SE J 6 d L LF L L Long design L L L L 7 Long design Z=number L L Z=number L L L 6 L5 LF Short design L6 L5 Fig. Fig. Short design RCUSFLEX coupling size C,.*).F C,6.*).F C.*).F C.*).F C,9.*).F C 5.*).F C 6.*).F C 6,5.*).F C 7.*).F C.*).F C 9.*).F C.*).F C.*).F Flange connection SE J 6 Fig. SE size Z min max *) For the element versions, see "Technical details" ) Mounting lengths for flange connecting dimensions to SE J 6 and/or IN 6 The option of mounting the coupling element internally or externally provides two different overall lengths with one and the same coupling hub. Other flange and length dimensions on request. unbored, precentered L L L L L 5 L 6 L 7 short ) ) ) ) ) ) ) ) ) ) ) ) long J outside [kgm²] J inside [kgm²] Total weight [kg] C_ Pros_e_6

12 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 RCUSFLEX flywheel couplings Type C...FK with bolted hub for radial element change Flange connecting dimensions to SE J 6 d L L L6 L L Z=number L Z=number L L L5 L L 5 Fig. Fig. Flange connection SE J 6 RCUSFLEX coupling size Fig. SE Z size min. max. C,6.*).FK C.*).FK C..*).FK C,9.*).FK C 5..*).FK C 6..*).FK C 6,5*).FK C 7.*).FK C.*).FK C 9.*).FK C.*).FK C.*).FK C.*).FK *) For the element versions, see "Technical details" Other flange and length dimensions on request. unbored, precentered J J L L L L L 5 L 6 outside inside [kgm²] [kgm²] Total weight [kg] Ordering example: Coupling designation: RCUSFLEX coupling size Element version acc. to Technical details Version for the element change Size of flange connection to SE J 6 (C: ) Mounting length LF in mm C 9.. FK.. 7 C_ Pros_e_6

13 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 RCUSFLEX shaft couplings Type CT...T and type C...TK L L W L Washer L L W L Washer J J J J 5 5 L L L L Type CT...T Type C...TK (for radial element change) RCUSFLEX Taper bush coupling size No. max. CT,...T CT,6...T CT...T C...TK CT...T C...TK CT,9...T C,9...TK CT 5... T C 5...TK CT 6...T C 6...TK CT 6,5...T C 6,5...TK CT 7...T C 7...TK Taper bush No. max L L L L L W L W J [kgm²] J [kgm²] Total weight [kg] L W L L Washer L L W Washer L J J J J 5 5 L L L L Type C...TK (for radial element change) Type C... TK (for radial element change) RCUSFLEX coupling slze max. max. 5 L L L L L W J [kgm²] Other sizes and types on request / For the element versions, see Technical details J [kgm²] Total weight [kg] C 7... TK C... TK C... TK C 9... TK C 9... TK C... TK C... TK C... TK C_ Pros_e_6

14 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 RCUSFLEX flywheel couplings with elements operating in tandem Type C...F with bolted hub and flange connecting dimensions to SE J 6 d L L 5 L L L L Z=number L Z=number L Z=number L Fig. Fig. Fig. RCUSFLEX coupling size C.*).F C 9.*).F C.*).F C.*).F Fig. Flange connection SE J 6 J J SE Z L L L outside inside size min. max. [kgm ] [kgm ] *)For the element versions, see Technical details Other flange and length dimensions on request Total weight [kg] Ordering example: Coupling designation: RCUSFLEX coupling size Element version acc. to Technical details Size of flange connection to SE J 6 Mounting length LF in mm C 9..F.. 7 C_ Pros_e_6

15 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 RCUSFLEX flywheel couplings with elements operating in tandem Type C...FK with bolted hub for radial element change and flange connecting dimensions to SE J 6 d L L 5 L L Z=number L L Fig. L L Z=number L Fig. L Z=number L Z=number L Fig. Fig. RCUSFLEX coupling size C.*).FK C 9.*).FK C.*).FK C.*).FK C.*).FK Fig. Flange connection SE J 6 J J SE Z L L L outside inside size min. max. [kgm ] [kgm ] *) For the element versions, see "Technical details" Other flange and length dimensions on request Total weight [kg] Ordering example: Coupling designation: RCUSFLEX coupling size Element version acc. to Technical details Version for the element change Size of flange connection to SE J 6 (C: ) Mounting length LF in mm C.. FK.. 5 C_ Pros_e_6 5

16 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Mounting instruction for RCUSFLEX flywheel couplings Type CT...F with taper bush How to mount the taper bush. The outer taper of the taper bush and the bore with the inner taper of the element hub shall show bright metal and must be free of grease prior to mounting. Preservatives must be removed completely.. Insert the taper bush into the element hub and line up all connecting bores. Make sure that half threaded holes coincide with half plain holes (Fig. ). No. 57 Fig. No /55 5. Screw in lightly greased or oiled assembly screws. o not tighten the screws yet (Fig. ).. Slide the element hub with inserted taper bush onto the cleaned shaft with keyway and put it into the mounting position L x (Fig. ). Fig. 5. Tighten the screws uniformly up to the tightening torque M specified in table using a torque wrench. 6. The screws can be retightened again by tapping against the taper bush with a hammer using an intermediate plate. Repeat, if necessary. L x Fig. Tightening torques for mounting the taper bush Table Coupling size CT, CT,6 CT CT CT,9 CT 5 CT 6 Taper bush No B.S.W. screw size *) 7 / 6 x / x 5 5 / x / x 5 / X 5 CT 6,5 CT / x 5 CT CT / x 57 Tightening torque M [Nm] Width across flats SW [mm] 6 6 *) Nr./57/ set screw Nr.55//55/55/5 cap screw SW M How to remove the element hub with taper bush. Loosen and remove all screws. epending on the taper bush size, screw either or greased screws into the half pullingoff thread(s) of the taper bush (Fig. ).. Tighten the screws uniformly until the taper bush is loose in the element hub.. s soon as the taper bush is loose, the element hub can be pulled off the shaft together with the taper bush. Fig. 6 C_ Pros_e_6

17 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Tightening torques for RCUSFLEX flywheel couplings ll boits and screws must be tightened to the specified torques during assembly in order to ensure a reliable torque transmission. Prior to putting the machinery into operation, all bolts and screws of the coupling must be checked for proper fit and tightness. The indicated torques apply to an total friction factor of µ =.. For further questions please ask REICH KUPPLGEN. M Table Tightening torques for the bolted flange connection to the engine flywheel (grade.) Washer SE flywheel flange 6 / 7 / / 6 Metric bolts M M M M6 M Tightening torque M [Nm] Imperial size bolts 5 /6 / 6 / 5/ / Tightening torque M [Nm] Note: The aluminium flanges of the coupling sizes C, C have to be mounted only with washers. We recommend to use washers as big as possible, but minimum dimensions according to IN. If needed bolts of grade.9 with suitable washers and the corresponding tightening torque can be used, please consult us. M Table Tightening torques for the bolted hub connection Types C...F and C...F.K (grade.) Coupling size C, C,6 C C /. C,9 C 5/5. C 6/6. C 6,5 C 7 C / C C 9 / C 9 C / C C / C C C Bolt size (metric) Tightening torque M [Nm] M 5 M 5 M6 M6 M6 M M M 7 M(.9) RCUSFLEX shaft couplings Washer Washer Washer M M M M M M M M Coupling size C, C,6 C C /. C,9 C 5 /5. C 6 / 6. C 6,5 C 7 C / C C 9 / C9 C C C Bolt size (metric) M M M M M6 M M M Tightening torque M [Nm] For the tightening torques M see the mounting instruction for taper bushes table. For the tightening torques M see table. C_ Pros_e_6 7

18 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 lignment Careful alignment of the coupling is an essential requirement for detached, nonflanged machinery in order to ensure proper functioning of the coupling and to avoid premature wear of the rubber element. Flywheel couplings shall be aligned from the shaftside coupling half to either one of the machined surfaces of the engine flywheel or engine housing. Where shaft couplings are used, the angular and radial displacements between the two coupling halves are determined by applying the usual dial indicator method. The alignment requirements of the other application components have to be considered additionally. RCUSFLEX flywheel coupling RCUSFLEX flywheel coupling RCUSFLEX shaft coupling Type C...F Type CT...F Permissible shaft displacement The permissibility of major shaft displacements depends on a number of factors such as coupling size, shore hardness of the rubber element, operating speed and torque load of the coupling. The following reference values refer to an operating speed of 5 rpm. ~ Precise alignment prevents premature wear of the rubber element. ngular displacement Radial displacement xial displacement Kr Ka RCUSFLEXcoupling size Permissible radial displacement Kr [mm] Permissible angular displacement [ ] Permissible axial displacement Ka [mm]*),, _..5 +_..5 +_ _ 6,9..5 +_ 7 Larger displacements of short duration, as may occur when starting and stopping the diesel engine, are permissible. These maximum displacements must not occur simultaneous. *) t types C...FK and C...TK the axial fitting length LF of the coupling should always offer a plus tolerance within the possible tolerance range in order to reach max. axial movability of the dismantled coupling element _ _ 7 6,5.. +_ 7.. +_.. +_ _.5. +_.5. +_.5. +_ Safety precautions It is the customer s and user s responsibility to provide proper guards over rotating machinery and to observe the national and international safety rules and laws. Check all bolted connections for proper fit preferably after the test run. C_ Pros_e_6

19 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Requested ata Coupling Selection / Torsional Vibration Calculation acc. to the masssystem (IN 7 part ) The dimensioning of the coupling should be supported by a torsional vibration analysis particularly with a view to the acting fatigue torque under reversing stresses. We are able to conduct this analysis according to the or nmass system when all required technical details are given. ENGINESIE:. Engine type. Engine power P [kw]. Engine speed n [r.p.m.]. Inline / Vengine R / V (angle) 5. Number of cylinder z 6. Total displacement 7. Moments of inertia (engine + flywheel). Harmonic components of tangential effort 9. Necessary rules needed for the selection of the coupling. rawing of the housing/flywheel with marking of their positions V [ccm] H J [kgm ] RIVENSIE:. Kind of application (alternator, pump, compressor, etc.). Type. Moments of inertia. Shaft diameter 5. Shaft length 6. rawing of the driven machine J [kgm ] d [mm] l [mm] If the driven machine shall be flanged to the engine using an intermediate housing we kindly ask you to advise us the dimensions and details indicated on the following diagram enabling us to optimize the mounting positon of the coupling. Type of the engine: mm Intermediate housing if any mm Type of driven machine: mm SE* number: mm mm mm mm mm * SE size or specified dimension External spline mm mm The coupling should always be properly ventilated in the intermediate housing (e.g. through ventilation holes in the housing). C_ Pros_e_6 9

20 REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US web: RFQ form: sales@mdmetric.com ph: ()5 ()6 fx: ()5 ()799 Kupplungen REICH KUPPLGEN products are available from MRYLN METRICS P.O. Box 6 Owings Mills, M 7 US ph: ()5 ()6 fx: ()5 ()799 web: sales@mdmetric.com RFQ form: Maschinenfabrik ipl.ing. Herwarth Reich GmbH P.O.Box 66 7 Bochum Vierhausstr. 5 7 Bochum Phone: Fax: copyright maryland metrics/maschinenfabrik ipl.ing. Herwarth Reich GmbH ReichKupplungen ReichKupplungen ReichKupplungen ReichKupplungen ReichKupplungen

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