ARCUSAFLEX Highly torsionally fl exible rubber disc coupling for internal combustion engine drives Your drive is our strength. Your strength is our drive.
Contents Page General technical description... 3 Types... 4 Technical details standard version with single element... Technical detailsstandard version with elements operating in tandem... 7 Technical note... 7 Technical details silicone version... Material / Selection of the proper coupling size... 9 Dimensional details of ARCUSAFLEX flywheel couplings Type ACT...F with taper bush... Dimensional details of ARCUSAFLEX flywheel couplings Type AC...F with bolted hub... Dimensional details of ARCUSAFLEX flywheel couplings Type AC...FK with bolted hub for radial element change... Dimensional details of ARCUSAFLEX shaft couplings Type ACT...T and type AC...TK... 3 Dimensional details of ARCUSAFLEX flywheel couplings Type AC...D.F with elements operating in tandem... 4 Dimensional details of ARCUSAFLEX flywheel couplings Type AC...D.FK with elements operating in tandem and for radial element change... 5 Mounting instruction for ARCUSAFLEX flywheel couplings Type ACT...F with taper bush... Mounting instruction for ARCUSAFLEX flywheel couplings Tightening torques for ARCUSAFLEX couplings... 7 Mounting instruction for ARCUSAFLEX flywheel couplings Alignment / Permissible shaft displacement... Safety instructions... Requested Data for Coupling Selection / Torsional Vibration Calculation... DC Designed to Customer The principle of Designed to Customer describes the recipe for success of REICHKUPPLGEN: Utilizing our product knowledge, our customers are supplied with couplings which are developed and tailormade to their specific requirements. The designs are mainly based on modular components to provide effective and efficient customer solutions. The unique form of close cooperation with our partners includes consultation, design, calculation, manufacture and integration into existing environments. Adapting our manufacturing to customerspecific production and utilizing global logistics concepts provides better after sales service worldwide. This customeroriented concept applies to both standard products and production in small batch sizes. The company policy of REICHKUPPLGEN embraces, first and foremost, principles such as customer satisfaction, flexibility, quality, prompt delivery and adaptability to the requirements of our customers. REICHKUPPLGEN supplies not only a coupling, but a solution: Designed to Customer. Edition September 5 Proprietary notice pursuant to ISO to be observed: The present ARCUSAFLEX edition renders parts of the previous ARCUSAFLEX catalogues obsolete. All dimensions in millimeters. We reserve the right to change dimensions and / or design details without prior notice. The reproduction, distribution and utilization of this document as well as the counication of its contents to others without explicit authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or design. REICHKUPPLGEN Kupplungen.de ACengl_95
General technical description The ARCUSAFLEX 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 3 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 ARCUSAFLEX 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 ARCUSAFLEX couplings comply predominantly with the SAE J and DIN standards. Other flange dimensions or overall lengths can be provided on request. Shafttoshaft connections when required can be met by ARCUSAFLEX shaft couplings which consist of ARCUSAFLEX 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. ARCUSAFLEX couplings comply to explosion protection according to ATEX 95. They are certified according to the directive 94/9/EC and may be used in hazardous locations (categories M, + 3). The most important attributes and advantages of ARCUSAFLEX 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 ATEX 95 ACengl_95 3 Kupplungen.de
Types ARCUSAFLEX type ACT with taper bush The ARCUSAFLEX flywheel coupling type ACT...F is equipped with a taper bush for shaft mounting. The rubber disc element is vulcanized directly to the taper hub. After 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 coercially 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 ARCUSAFLEX coupling type ACT. The torque, which can be transmitted, depends on the particular taper bush. Advantage: Ease of assembly and disassembly with no need for special tools! Taper bush Flange Taper hub with rubber element ARCUSAFLEX type AC...F with bolted hub The ARCUSAFLEX flywheel coupling type AC...F has the rubber disc element vulcanized to a bolton sleeve which in turn is bolted to a hub or similar component. Advantage: Depending on the arrangement of the rubber disc element, two different mounting lengths can be achieved using one and the same coupling hub. Bolted hub Flange Element with bolton sleeve Kupplungen.de 4 ACengl_95
ARCUSAFLEX type AC...FK for radial element change Type AC...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. Spacer ring ARCUSAFLEX flywheel coupling type AC...D F with elements operating in tandem ARCUSAFLEX shaft coupling type ACT...T ARCUSAFLEX shaft coupling type AC...D TK with elements operating in tandem ARCUSAFLEX flywheel coupling type AC...DS with fail safe device, to be mounted between an internal combustion engine and a marine gearbox. ARCUSAFLEX flywheel coupling with splined clamping hub, to be mounted between an internal combustion engine and a pump drive. ARCUSAFLEX flywheel coupling type AC VSK... with integral bearing, to be mounted to internal combustion engines as an Ujoint coupling in conjunction with a cardan shaft. Extra folder is available.. ACengl_95 5 Kupplungen.de
Technical details Standard version with element natural/synthetic caoutchouc ARCUSAFLEX coupling size AC,5 AC,3 AC, /,7 ) AC 3 AC 4 / 4. AC 4.9 AC 5 / 5. AC /. AC,5 AC 7 AC 7,5 AC AC 9 AC. AC AC,7 AC,9 AC AC 3 Element version Nominal torque T KN Maximum torque TK max Fatique torque* ) T KW (Hz) Dynamic torsional stiffness C T dyn Flange size Max. speed SAE J n max Nm Nm Nm knm/rad rpm 45 5. 5 5..5 4 3 75 5 4. 3 34 5 7 9. 33 3 4 45 5 7 9 5 35 55 4 3 7 5 9 3 345 4 4 4 45 55 4 5 3 74 5 4 7 7 7 9 9 5 4 3 9 4 7 4 35 5 35 3 4 45 5 55 75 9 5 7 3 3 3 3 4 4 35 45 55 55 45 54 75 75 77 35 5 9 9 5 9 9 4 34 34 7 3 3 37 4 4 4 54 4 7 7 7 4 9 75 4 94 94 35 5 5 Element versions: = 55 Shore A; = Shore A; = 75 Shore A; = 5 Shore A Due to the physical characteristics of the rubber materials the measurable rubber hardness is subject to a dispersion, which is defi ned according to DIN 5355 with ± 5 Shore A. Because of inhouse manufacturing this dispersion of the shore hardness can be minimized. * ) Continuous fatigue torque under reversing stresses ± T KW at = Hz, for other frequencies f x apply T KW ) Torsional stiffness for AC,7 on request 5 5 3 35 4 4 45 5 575 75 9 7 9 5 35 9 5 45 5 7 4 5 75 3 3 3 37 3 3 44 3 35 39 4 4 4 55 55 7 9 5 9 3 3 4 5 5 4 5 5 5 5..5 4. 9..4 3.. 3.5 3. 5. 7.5.5.. 3.5 9.. 5. 4. 34..5 3.. 3.. 3. 45. 3. 5. 4. 7.. 35. 5.. 4. 35. 5.. 45. 3. 75... 55.. 9. 3. 75... 3. 5. 5. 45... 3. 54. 75. 5. 55.. 75. 5. 4. 7.. 375.. 5. 4..5.5.5.5 4.5 4.5 4 4 4 3 4 3 35 3 35 3 35 3 3 3 3 3 3 3 4 3 4 4 4 4 4 similar to DIN 3 3 3 3 3 5 on request 5 Kupplungen.de ACengl_95
Technical details Standard version with element natural/synthetic caoutchouc ARCUSAFLEX coupling size AC D AC 9D AC.D AC D AC,7 D AC D AC 3D Element version Nominal torque T KN Maximum torque TK max Fatique torque*) T KW (Hz) Dynamic torsional stiffness Flange size Max. speed n max C T dyn SAE J Nm Nm Nm knm/rad rpm 4 4 5 4 4 5 3 3 3 4 4 34 43 4 54 5 5 3 7 9 4 4 4 3 54 5 74 4 4 9 3 44 44 5 9 9 4 7 3 3 7 7 9 4 9 5 4 3 9 4 5 3 3 4 45 45 5 7. 5.. 3... 3.. 5. 4. 4. 4. 3. 5. 9. 3. 3... 57. 5.. 4.. 75.... 4 4 4 4 similar to DIN 3 3 on request 3 Element versions: = 55 Shore A; = Shore A; = 75 Shore A; = 5 Shore A Due to the physical characteristics of the rubber materials the measurable rubber hardness is subject to a dispersion, which is defined according to DIN 5355 with ± 5 Shore A. Because of inhouse manufacturing this dispersion of the shore hardness can be minimized. * ) Continuous fatigue torque under reversing stresse ± T KW at f = Hz, for other frequencies f x apply T KW Resonance factor V R rand relative damping Ψ Element version V R Ψ 7.5. 5.4.5 5.3.5 4.3.3 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 connections, like 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 the customer s/user s responsibility to make sure the dimensioning of the shaft and keyed or other connection, e.g. shrinking or clamping connection, is correct. REICHKUPPLGEN have an extensive prograe of couplings and coupling systems to cover nearly every drive configuration. Furthermore customized solutions can be developed and be manufactured also in small series or as prototypes. Calculation prograes are available for coupling selection and sizing. Please challenge us! ACengl_95 7 Kupplungen.de
Technical details Silicone version ARCUSAFLEX coupling size Element version Nominal torque T KN Maximum torque T Kmax Maximum torque T Kmax Fatique torque*) T KW (Hz) Dynamic torsional stiffness C T dyn Nm Nm Nm Nm. T KN knm/rad.5 T KN knm/rad.5 T KN knm/rad.75 T KN knm/rad. T KN knm/rad AC,3 WX 3 45.75...4. AC, WX 45 75 9 5.5.7..5 3.7 AC 3 WX 75 5 5.4 3. 3.7 4.4.5 AC 4 / 4. WX 5 75 3 43 5..5.3 9.7 4.4 AC 4,9 WX 4 3 5.5... 5. AC 5 / 5. WX 7 3 7 5. 7. 9..5 5.5 AC /. WX 3 45 5 3... 4. 3. AC,5 WX 3 57 75 45 5. 3. 34. 45. 59. AC 7 WX 45 75 9 3. 44. 4. 4. 4. AC 7,5 WX 5 7 4.... 5. AC WX 95 3. 4. 5.. 9. AC D WX 3 44 44 7. 9.. 3. 9. AC 9 WX 75 5 5 95 54.... 4. AC 9D WX 5 5 3 59. 3. 4.. 9. AC. WX 5 37 5. 4.. 7. 4. AC.D WX 3 4 74 7.. 5. 35. 4. AC WX 5 5 3 5 35. 79. 5. 35. 4. AC D WX 3 45 7. 34. 43... AC WX 5 3375 45 4 3. 445. 555. 5. 7. AC D WX 45 75 9 7. 9.. 33. 74. Element version: WX = ± 5 Shore A * ) Continuous fatigue torque under reversing stresses ± T KW at f = Hz, for other frequencies f x apply T KW Additional information for selection of couplings with silicone elements:.. T AN T KN T AN = 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 V R and relative damping Ψ Element version V R Ψ WX 5.4.5 Kupplungen.de ACengl_95
Materials Coupling flanges: Rubber disc element: Type ACT: Type AC with bolted hub: Coupling size AC,3 AC. D and AC.9 high grade aluminium casting Coupling size AC AC3 D of cast iron with spheroidal graphite Standard version natural/synthetic caoutchouc mixture for ambient temperatures from 4 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 C up to +3 C Taper hub and taper bush of cast iron with lamellar graphite Bolton sleeve of cast iron with spheroidal graphite / bolted hub of steel (min. yield strength 3 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 TAN, a general safety factor of S =.3.5 should be applied for ARCUSAFLEX 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 shall be at least equal to the max. drive torque T AN while taking the T KN T AN S t service factors into account Calculate the driving torque T AN Given a driving power P AN and a coupling speed n AN, the driving torque is calculated as follows: 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 standard version and S t =S t for silicone version. The maximum torque capacity T Kmax of the coupling shall be at least equal to the highest torque T max encountered in operation while taking the temperature factor S t into account 3. 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. T AN [Nm] = 955 P AN [kw] n AN [min ] C 7 9 3 S t.5.4. on request S t.5.5.5.7.9..3.5 T Kmax T Kmax S t T kw ( Hz) T W S t S f The frequency factor S f allows for the frequency dependence of the permissible continuous vibratory torque under reversing stresses T KW ( Hz) when operating with a different frequency f x S f = f x The dimensioning of the coupling should be checked, with a view to the acting fatigue torque, for permissible coupling loads by means of a torsional vibration analysis which will be conducted by us on request. When using ARCUSAFLEX couplings in drives with great torque transmission variations, an additional safety factor should be applied for torque transmission to the driven machine. We are able to conduct this analysis according to the or nmass system when all required technical details are given. 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 ARCUSAFLEX rubber disc coupling are available on request. ACengl_95 9 Kupplungen.de
ARCUSAFLEX flywheel couplings Type ACT...F with taper bush Flange connecting dimensions to SAE J d and mounting dimensions to DIN ARCUSAFLEX Coupling size ACT,5* ).F ACT,3.* ) F ACT,.* ).F ACT,7.* ).F ACT 3.* ).F ACT 4.* ).F ACT 4,9.* ).F Fig SAE size.5 7.5.5 7.5.5.5 Flange connections to SAE J D 5.9 4.3 3.5 34.3 5.9 4.3 3.5 34.3 3.5 34.3 35.4 D..3 44.5 95.3..3 44.5 95.3 44.5 95.3 333.4 3.5 44.5 34.3 95.3 35.4 333.4.5 34.3 35.4 95.3.5 4.5 4.5 4 4 D 3.5.5.5.5.5.5.5.5.5.5.5.5.5.5 333.4.5.5 34.3 35.4 4.7 95.3 333.4 43..5 3. 35.4 4.7 333.4 43..5 3. Z Taper bushing No. 57 57 57 57 57 57 57 57 33 33 33 3535 3535 3535 3535 44 44 44 D A 77 77 77 77 3 3 3 4 4 4 9 9 3 3 3 3 3 354 354 4 4 4 D 4 5 5 5 35 35 35 5 5 75 75 75 4 4 4 Mounting instruction: If engine and generator connecting dimensions comply with DIN,the distance dimension L X must be observed during assembly. The coupling dimension L F must be within the tolerance. Available taper bushes No. Metric bores with keyway acc. to DIN / 4 5 4 5 3 3 35 3 4 4 4 7 9 4 5 3 3 35 3 4 4 45 4 57 9 4 5 3 3 35 3 4 4 45 4 5 55 33 5 3 3 35 3 4 4 45 4 5 55 7 75 3535 35 3 4 4 45 4 5 55 7 75 5 9 44 4 4 45 4 5 55 7 75 5 9 95 4535 55 7 75 5 9 95 5 4545 55 7 75 5 9 95 5 54 7 75 5 9 95 5 5 5 Taper bushes with imperial size bores can also be supplied. Ordering example: Coupling designation ACT4.. F. 4. 33. ARCUSAFLEX coupling size Element version acc. to Technical details Size of flange connection to SAE J Nominal size of taper bush Bore diameter L 5 5 5 5 3 3 3 3 45 45 45 45 45 45 4 4 7 7 7 9 9 9 9 L L 3 37 37 37 37 4 33 33 33 33 33 4 4 4 5 54 5 3 3 3 37 37 37 5 5 5 7 7 77 77 L 4 3 3 3 5 5 5 3 3 L 5 L F 3± 3± 3± 3± 5± 43±3 43±3 43±3 4±4 4±4 4±4 4±4 4±4 4±4 5±7 5±7 ± +/ +/ 9±7 9±7 7±5 7±5 9±7 9±7 9±7 DIN T. 73.. 73.. 73. 5.. 73. 5. 73. 5. 73.. 9.4. 9.4. 9.4 9.4.7.7 L x 43 35 3 3 4 33 4 3 J outside kgm.5.7........7.4.4.9.47 4..3 4.4 39.53 5. 4..5 3.54 7.54.7.3.47 ACT 5.* ).F 35.4 4.7 333.4 43..5 3. 3. 4.7 43. 3. 3. ACT.* ).F 57.5 49. 3. 37.5 57.5 54.9 7. 4. ACT,5.* ).F 4 4.7 43. 3. 4535 4 9 9 9±4 9.4..43 5. 4 4.7 43. 3. 4545 ACT 7.* ).F 57.5 49. 3. 4545 57.5 54.9 7. 4545 ACT 7,5.* ).F 4 4.7 57.5 43. 54.9 3. 7. 4545 4545 ACT.* ).F 57.5 73. 54.9 4.4 7. 7. 54 54 ACT 9.* ).F 57.5 73. 54.9 4.4 7. 7. 54 54 * ) For the element versions, see Technical details 4 4 4 47 47 54 54 5 5 35 35 35 7 7 5 5 5 5 5 5 7 35 5 5 5 5 5 4 4 9 9 5 5 7 7± 7± 7± ±5 ±5 ±7 ±7 ±4 ±4 9.4.7.7 5.3.4.59.5.3.47.94.4.4 J inside kgm.4.4.4.4.....9.9.9.4.4.4...59.59.59.97.97.3.3.334.334.334.7.7.7.7.7.5.5.5.5 Total weight kg.3.5.7 3. 3. 3.5 3.7 4. 5.9..5 5.5..7.5. 3.7 4. 4.. 7.9.5. 4. 7.5. 97.3.4..5 7. Kupplungen.de ACengl_95
Type AC...F with bolted hub Flange connecting dimensions to SAE J d ARCUSAFLEX Coupling size AC,3.* ).F AC,.* ).F AC,7.* ).F Fig. Flange connection to SAE J SAE D D D 3 size.5 7.5.5.5.5 5.9 4.3 3.5 34.3 3.5 34.3 35.4 3.5 34.5 35.4..3 44.5 95.3 44.5 95.3 333.4 44.5 95.3 333.4.5.5.5.5.5.5.5.5.5.5 Z D A 3 3 3 4 4 4 D min. max. unbored. precentered 9 9 9 9 D 4 9 9 9 9 * ) For the element versions, see Technical details ) Mounting lengths for flange connecting dimensions to SAE J and/or DIN 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. L 54 54 54 54 7 7 9 5 L 33 33 4 4 4 5 54 5 L 3 4 33 33 33 3 3 3 37 37 37 5 5 5 7 7 77 77 L 4 3 3 3 5 5 5 3 3 L 5 5 43 43 43 4 4 4 4 4 4 59 59 79 79 7 7 9 9 9 L 3 3 7 7 3 3 L 7 L F short 73 73 ) 73 L F long 3 94 94 94 4 4 4 73 ) 59 ) 7 J outside kgm....7..7.4.4.9.47 J inside kgm.......... Total weight kg AC 3.* ).F 34.3 95.3.5 9.. 35.4 333.4.5 9.3.7 34.3 95.3.5 3 4.4.. AC 4.* ).F.5 35.4 333.4 3 4 ).53..9 4 4.7 43. 3. 3 4 9 ) 5... AC 4,9.* ).F.5 35.4 333.4.5 3..5 9.4 4 4.7 43. 3. 3 9 5.5.5.5 AC 5.* ).F.5 35.4 333.4.5 354 ) 75.54.34 4. 4 4.7 43. 3. 354 9 ).54.3.3 4 4.7 43. 3. 4 5 9 ) 74.7.3 35.3 AC.* ).F 57.5 49. 3. 4 5 9 74.3.3 3. 57.5 54.9 7. 4 5 9 74.47.3 4.5 AC,5.* ).F 4 4.7 43. 3. 4 5 9 9 3 9 ) 4.37.44 3. 4 4.7 43. 3. 4 5 5 5 33 7 9 ) 4.3.57 55. AC 7.* ).F 57.5 49. 3. 4 5 7 5 33 9 4.4.57 57. 57.5 54.9 7. 4 5 5 33 9 4.59.57.5 AC 7,5.* ).F AC.* ).F AC 9.* ).F AC..* ).F AC.* ).F AC,7* ).F AC,9* ).F 4 4.7 43. 57.5 54.9 3 7 47 47 57.5 54.9 7. 54 73. 4.4 7. 54 57.5 54.9 7. 5 73. 4.4 7. 5 57.5 54.9 7. 5 73. 4.4 7. 5 73. 4.4 7. 4 733.4 9.. 73. 4.4 7. 4 4 733.4 9.. 4 73. 4.4 7 4 755 4 733.4 9. 755 3 3 5 5 75 5 4 75 5 4 9 3 9 3 9 3 9 3 9 3 9 3 3 3 3 3 4 4 4 35 4 4 5 5 4 5 4 5 5 4 4 9 9 4 4 4 4 5 5.5.5 5 5 3 3 7 7 7 7 3 3 5 5 9 9 3 3 4 4 5 5 4 4 59 5 59 5 3 37 3 37 5 5 3 5 3 5 3 3 3 3 5 45 35 45 35 4 5 4 5.5.3...47.95.94.95.4.3.4.3.77.3..3 3. 5.3 5. 5.3 4.49.9 5.34 5.99.73 5.94 3.49 5.94 5...4.9..9 7. 7. 7..4 9..3 7.3 7.7 55.3. 9. 7.4 9. 3. 5. 4..4 7. 3. 3.5 ACengl_95 Kupplungen.de
Type AC...FK with bolted hub for radial element change Flange connecting dimensions to SAE J d and mounting dimensions to DIN ARCUSAFLEX Coupling size Fig. SAE size Flange connection to SAE J D D D 3 Z D A D min. max. unbored. precentered D 4 L L L 3 L 4 L 5 L L F J outside kgm J inside kgm Total weight kg AC,.* ).FK.5 3.5 34.3 35.4 44.5 95.3 333.4.5.5.5 3 3 3 55 55 55 7 7 7 33 3 3 3 3 3 3 4 4 4 4 4 4..7.4.7.7.7 5. 5.3 5. 3.5 44.5.5 4 55 7 4 37 5 4.4.3 5.4 AC,7.* ).FK 34.3 95.3.5 4 55 7 4 37 5 4.9.3..5 35.4 333.4.5 4 55 7 4 37 5 4.47.3. AC 3.* ).FK 34.3 95.3.5 9 55 7 5 59..7..5 35.4 333.4.5 9 55 7 5 59..7.4 34.3 95.3.5 3 75 95 5 5 59 5.4.4. AC 4,.* ).FK.5 35.4 333.4 3 75 95 7 59 5.53.4.9 4 4.7 43. 3 3 75 95 7 59 5..4. AC 4,9.* ).FK.5 35.4 333.4.5 3 5 7 95 77 79 7..5 5. 4 4.7 43. 3. 3 5 7 95 77 79 7.5.5 9. AC 5,.* ).FK.5 35.4 333.4.5 354 5 7 95 54.54.7 5.5 4 4.7 43. 3. 354 5 7 95 5..7 7.7 4 4.7 43. 3. 4 95 74.7.43 4. AC,.* ).FK 57.5 49. 3. 4 95 74.3.43 7. 57.5 54.9 7. 4 95 74.47.43 9. AC,5.* ).FK 4 4.7 43. 3. 4 3 9 9 9 9 9..54 4.5 AC 7.* ).FK AC 7,5.* ).FK AC.* ).FK AC 9.* ).FK AC.* ).FK AC.* ).FK AC,7* ).FK AC.* ).FK 4 4 4 4 4.7 57.5 57.5 4.7 57.5 57.5 73. 57.5 73. 57.5 73. 73. 733.4 73. 733.4. 9. 995. 43. 49. 54.9 43. 54.9 54.9 4.4 54.9 4.4 54.9 4.4 4.4 9. 4.4 9... 95. 3. 3. 7. 3. 7. 7. 7. 7. 7. 7. 7. 7. 7. 7..... 4 4 3 3 3 4 4 4 47 47 54 54 5 5 5 5 7 7 7 3 3 3 9 9 9 3 3 9 9 55 7 55 7 75 4 75 4 9 4 9 4 9 3 9 3 9 3 9 3 9 39 9 39 9 39 9 9 9 9 9 4 4 5 5 55 55 55 5 7 35 4 5 4 7 7 5 5 5 5 5 4 4 9 9 4 4 4 4 35 3 3.5.5 3 3 7 7 7 7 3 3 37 37 37 7 5 5 5 5 4 4 4 37 37 45 45 37 37 3 3 3 3 3 3 39 39 39.3.4.59.5.3.47.94.4.4.77. 3. 5. 4.4 5.34.7 5.4.5.54.54.54.54.54.94.94.3.3.. 3.3 3.3 4.7 4.7.4.4.4 4.5 4.9 45..3 77. 59. 3.9 7.5 7.4. 4. 54. 4. 7.7 79. 39. 35. 374. * ) For the element versions, see Technical details Other flange and length dimensions on request Ordering example: Coupling designation ARCUSAFLEX Coupling size Element version acc. to Technical details Version for the element change Size of flange connection to SAE J (AC: D ) Mounting length L F in AC 9. FK.. 37 Kupplungen.de ACengl_95
Type ACT...T Type AC...TK (for radial element change) ARCUSAFLEX Coupling size Taper bushing Taper bushing Nr. D max. Nr. D max. D 3 D 4 D 5 D A L L L 3 L 4 L F L W L W J kgm J kgm Total weight kg ACT,3...T 4 4 5 3 3 3 4 5 4.. 7.4 ACT,...T 57 57 5 35 3 45 45 4 3 4 5..9 5.9 ACT 3...T 57 57 5 35 9 45 45 4 5 5 3.33.. AC 3...TK 57 55 5 7 35 9 45 4 5 94.33.7 7. ACT 4...T 33 75 33 75 4 3 3 7 7 4.9.59 9.4 AC 4...TK 33 75 75 4 3 3 7 95 4 5 5.9.4 7. ACT 4,9...T 3535 9 3535 9 7 3 3 9 9 74 77 9 9.9.97 37. AC 4,9...TK 3535 9 5 7 7 3 3 9 95 74 77 7 9.9.5 3. ACT 5...T 3535 9 3535 9 7 3 354 9 9 74 7 93.75.3 4.4 AC 5...TK 3535 9 5 7 7 3 354 9 95 74 7.75.7 37. ACT...T 4545 44 475 4 5 9 9.957.334. AC...TK 4545 475 4 5 95 9 74 3.957.43.9 ACT,5...T 4545 4535 475 4 5 9 9 9 9.45.43 9.4 AC,5...TK 4545 9 475 4 5 9 9 9 9 343.45.54 9.3 ACT 7...T 4545 4535 475 4 5 9 9 5 7.49.9 97.5 AC 7...TK 4545 3 9 475 4 5 9 9 5 4 33.49.54.7 Type AC...TK (for radial element change) Type AC...D TK (for radial element change) ARCUSAFLEX Coupling size D max. D max. D 3 D 4 D 5 D A L L L 3 L 4 L F L W J kgm J kgm Total weight kg AC 7,,, TK 3 3 9 9 475 4 9 9 7 9 4 34.335.55 95.7 AC... TK 5 5 3 3 5 54 59 45 437.57.95 33. AC D... TK 5 5 3 3 5 55 4 34 543 3.349.77 9. AC 9... TK 5 5 4 4 5 5 4 4 34 45 37 393 3.3.3 4. AC 9D... TK 4 4 5 5 95 3 3 535 4..55 35. AC.... TK 4 4 5 95 3 53 3.4. 7. AC... TK 3 3 5 9 3 5.37 3.3 9. AC... TK 39 39 7 77 55 55 5 59 39 7 7..4 49. Other flange and length dimensions on request / For the element versions, see Technical details ACengl_95 3 Kupplungen.de
ARCUSAFLEX flywheel couplings with elements operating in tandem Type AC...D.F with bolted hub and flange connecting dimensions to SAE J d ARCUSAFLEX Coupling size Fig. SAE size Flange connection to SAE J D D D 3 Z D A min. D max. D 4 L L L 3 L F J outside kgm J inside kgm Total weight kg AC D.* ).F 57.5 54.9 7. 55 5 74 5 7 55.7.554 5.4 73. 4.4 7. 55 5 74 7 55.477.554 9. AC 9D.* ).F 57.5 54.9 7. 5 75 7 3 35 5 7.. 4. 73. 4.4 7. 5 75 7 3 5 5 7.. 4.5 AC.D.* ) F 73. 4.4 7. 4 55 9 3 5 35.99 3.4. 4 733.4 9.. 55 9 3 5 35.575 3.4 73. AC D.* ).F 73. 4.4 7. 9 3 5 5 7..9. 3 4 733.4 9.. 9 3 5 9..9 75. AC,7D.* ).F 3 4 733. 9.. 4 9 3 7 375 9.37.9 3.4 * ) For the element versions, see Technical details Other flange and length dimensions on request Ordering example: Coupling designation ARCUSAFLEX Coupling size Element version acc. to Technical details Size of flange connection to SAE J Mounting length LF in AC 9D.. F.. 7 Kupplungen.de 4 ACengl_95
with elements operating in tandem Type AC...D.F with bolted hub and flange connecting dimensions to SAE J d ARCUSAFLEX Coupling size Fig. SAE size Flange connection to SAE J D D D 3 Z D A min. D max. D 4 L L L 3 L F J outside kgm J inside kgm Total weight kg AC D.* ).FK 57.5 54.9 7. 55 5 7 5 7 37.7.7 4. 73. 4.4 7. 55 7 7 37.477.7 9. AC 9D.* ).FK 57.5 54.9 7. 5 75 4 35 5 3..55 3. 73. 4.4 7. 5 75 4 5 5 3..55 35.5 AC.D.* ).FK 73. 4.4 7. 4 55 9 4 5 35.99 3.9 47. 4 733.4 9.. 55 9 4 5 35.575 3.9 5. AC D.* ).FK 73. 4.4 7. 9 3 5 5 35 7..5. 3 4 733.4 9.. 9 3 5 35 9..5 7. AC,7D.* ).FK 3 4 733. 9.. 4 9 3 7 45 9.37 7.3 4. AC D.* ).FK 4 4 4. 9. 995... 95.... 3 3 3 7 7 7 9 9 9 39 39 39 3 3 3 9 7 7 5 49 5 5.3. 3.... 54. 555.. * ) For the element versions, see Technical details Other flange and length dimensions on request Ordering example: Coupling designation ARCUSAFLEX coupling size Element version acc. to Technical details Version for the element change Size of flange connection to SAE J (ACD: D ) Mounting length L F in AC D. FK.. 35 ACengl_95 5 Kupplungen.de
Mounting instructions Type ACT...F with taper bushing 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. ). 3. Screw in lightly greased or oiled assembly screws. Do not tighten the screws yet (Fig. ). No. 57 33 No. 3535 44 4535/4545 54 4. Slide the element hub with inserted taper bush onto the cleaned shaft with keyway and put it into the mounting position L X (Fig. 3). 5. Tighten the screws uniformly up to the tightening torque M A specified in table using a torque wrench.. The screws can be retightened again by tapping against the taper bush with a haer using an intermediate plate. Repeat, if necessary. Tightening torques for mounting the taper bush Table Coupling size ACT,5 ACT,3 ACT, ACT,7 ACT 3 ACT 4 ACT 4,9 ACT 5 ACT ACT,5 ACT 7 ACT 7,5 ACT ACT 9 Taper bush No. 57 33 3535 44 4535 4545 54 C screw size * ) 3 / x 7 / x / x 5 5 / x 3 / x 3 5 / x 45 3 / 4 x 5 7 / x 57 Tightening torque M A Nm 3 49 9 5 7 95 7 Width across fl ats SW 5 4 4 * ) No. //57/33 set screw No. 3535/44/4535/4545/54 cap screw How to remove the element hub with taper bush. Loosen and remove all screws. Depending on the taper bush size, screw either or greased screws into the half pullingoff thread(s) of the taper bush (Fig. 4).. Tighten the screws uniformly until the taper bush is loose in the element hub. 3. As soon as the taper bush is loose, the element hub can be pulled off the shaft together with the taper bush. Kupplungen.de ACengl_95
Tightening torques All 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 =.4. For further questions please ask REICHKUPPLGEN. Table Tightening torques for the bolted flange connection to the engine flywheel (grade.) SAE flywheel flange ½ 7½ ½ 4 4 Metric bolts M M M M M Tightening torque M A [Nm] 5 5 5 4 Imperial size bolts 5 / 3 / / 3 5 / 3 / 4 Tightening torque M A [Nm] 4 4 3 34 Note: The aluminium flanges of the coupling sizes AC,3 AC D have to be mounted only with washers. We recoend to use washers as big as possible, but minimum dimensions according to DIN 433. If needed bolts of grade.9 with suitable washers and the corresponding tightening torque can be used, please consult us. Table 3 Tightening torques for the bolted hub connection Types AC...F and AC...F.K (grade.) Coupling size AC,3 AC, AC 3 AC 4 / 4. AC 4,9 AC 5 / 5. AC /. AC,5 AC 7/AC 7,5 AC /AC D AC 9 /AC 9D AC. /AC.D AC /ACD AC,7/AC,7D AC,9 /AC AC D Bolt size M M M M M M M M4 M4 (.9) Tightening torque M A3 [Nm] 5 5 4 4 7 Shaft couplings Coupling size AC,3 AC, AC3 AC 4 / 4. AC 4,9 AC 5 / 5. AC /. AC,5 AC 7/AC 7,5 For the tightening torques MA see the mounting instruction for taper bushes table. For the tightening torques MA3 see table 3. AC /AC D AC 9 /AC 9D AC. / AC.D AC / ACD AC,7 / AC,7D AC,9 / AC Bolt size M M M M M M M M4 Tightening torque M A [Nm] 5 5 5 5 4 4 7 ACengl_95 7 Kupplungen.de
Alignment 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. ARCUSAFLEX flywheel coupling Type AC...F ARCUSAFLEX flywheel coupling Type ACT...F ARCUSAFLEX shaft coupling 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. Coupling size Angular displacement Radial displacement Axial displacement,5,3, 3 4 4. 4,9 5 5..,5 7 7,5 D 9 9D,7/,7D D /,9 D Permissible radial displacement Kr []........3.3.3.3.4.5.5.5.5 Permissible angular displacement α [ ].5.5.5.5.5.5.5.4.4.4.4.4.4.3.3.3 Permissible axial displacement Ka []*) ±.5 ±3 ±4 ±7 + / ±7 ±5 ±7 ±4 ± ±7 ±5 ±4 ±3 ±4 ±3 Larger displacements of short duration, as may occur when starting and stopping the diesel engine, are permissible. These maximum displacements must not occur simultaneous. * ) At types AC...FK and AC...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. D Safety precautions lt is the customer s and user s responsibility to observe the national and international safety rules and laws. Proper safety devices must be provided for the coupling to prevent accidental contact. Check all bolted connections for the correct tightening torque and fit after a short running period preferably after a test run. Kupplungen.de ACengl_95
Details required for coupling design Torsional vibration calculation according to the twomass system (DIN 74 Part ) GENERAL:. Project. Application (CHP plant, emergency power generator, fire extinguishing pump, ) 3. Type of duty cycle (Continuous duty, emergency power operation, ) 4. Place of installation/ erection 5. Acceptance/class/rules governing the coupling design ENGINE SIDE:. Engine (manufacturer, designation/type) Diesel Gas Ambient temperature Tu [ C]. Engine power (nominal operation) P [kw] 3. Engine speed (nominal speed) n [rpm] 4. Idle speed Existing? Yes No If adjustable: from to n [rpm] 5. In case of speedvariable operation: Speed range from to n [rpm] Please attach a corresponding speed/torque/power diagram. Total displacement V H [ccm] R/V (angle) No. of cylinders 7. Mass moment of inertia (cpl. engine incl. damper, flywheel) J [kgm²]. Mass moment of inertia (flywheel; drawing, if any) J [kgm²] DRIVEN SIDE:. Type (generator, pump splitter gearbox, pump, compressor, ). Type (manufacturer, designation/type) 3. Mass moment of inertia J [kgm²] 4. Connection dims. (D x L, splined shaft (standard), flange,..) For split systems: System sketch indicating the individual inertias (with specification of the reference speed) and transmission ratios If the prime mover is to be flanged to the engine using an intermediate housing we kindly ask you to specify the dimensions and details requested in the sketch below so that we can determine the optimal mounting position. Type of the engine Intermediate housing if any Type of driven machine number Anzahl *SAE size or specified dimension Spline ACengl_95 9 Kupplungen.de
Dipl.Ing. Herwarth Reich GmbH Vierhausstraße 53 447 Bochum Postfach 447 Bochum Telefon +49 () 34 9 59 Telefax +49 () 34 9 59 EMail: mail@reichkupplungen.com www.reichkupplungen.com