Catalog excerpts
RUPEX PIN & BUSH COUPLINGS
Open the catalog to page 1Flender Mechanical Power Transmission Couplings available from jbj Techniques N-EUPEX®, RUPEX® and N-BIPEX® Flexible Couplings Flexible Flender couplings have a wide range of possible applications. A broad standard modular system as well as specially designed application specific couplings are available. N-EUPEX cam couplings Rated torque: 19 Nm … 62,000 Nm RUPEX pin-and-bush couplings Rated torque: 200 Nm … 1,300,000 Nm N-BIPEX cam couplings Rated torque: 12 Nm … 4,650 Nm ELPEX®, ELPEX-B® and ELPEX-S® Highly Flexible Couplings ELPEX® couplings are free of circumferential back-lash. Their...
Open the catalog to page 2Flender Mechanical Power Transmission Couplings available from jbj Techniques FLUDEX couplings are hydrodynamic fluid couplings which operate on the Fottinger principle. FLUDEX® couplings limit starting and maximum torque in the drive train and, through the property of rotational slip, serve as an aid to starting the motor, as overload protection in the event of fault and for isolating torsional vibration. To compensate for shaft misalignment, the FLUDEX® coupling is combined with a displacement coupling e.g. of the N-EUPEX® type. Railway Couplings Couplings for rail vehicles developed,...
Open the catalog to page 3Mechanical Power Transmission Couplings Technical Information See the FLENDER COUPLINGS INTRODUCTION for: » Shaft coupling types. » Shaft misalignment. » Balancing. » Shaft hub connections. » Key to symbols & selection of coupling series. » Typical coupling solutions for different applications. » Selection of coupling size. » Checking shaft hub connection & environmental conditions. » Fitting recommendations including DIN ISO 286 details. » Cylindrical shaft ends, extract from DIN 748 Part 1 (long) & central holes according to DIN 332 Part 2. » Parallel Key Connections to Din 6885-1....
Open the catalog to page 4Torsionally Flexible Couplings Rupex Series Contents TORSIONALLY FLEXIBLE COUPLINGS Rupex Series Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rupex Type RWN Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rupex Type RWS Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rupex Type RFN Technical...
Open the catalog to page 5Mechanical Power Transmission Couplings New distribution partnership in the UK: We have now partnered with jbj Techniques Limited as the official partner for our whole couplings range in the United Kingdom and kicked off our cooperation by a digital signing of the partnership contract. JBJ has a wealth of experience in established and niche applications, such examples are: Mechanical drives for subsea wave energy, steel works crucible handling equipment or marine winch drives. We are happy to have them on our side for our UK coupling customers, especially for the supply of the recently...
Open the catalog to page 6Torsionally Flexible Couplings Rupex Series Introduction Coupling suitable for use in potentially explosive atmospheres. Complies with the current ATEX Directive for: II 2G Ex h IIC T6 ... T4 Gb X II 2D Ex h IIIC T85 °C ... 110 °C Db X I M2 Ex h Mb X RUPEX® pin and bush couplings link machine shafts and compensate for shaft misalignment with weak restorative forces. The torque is conducted through elastomer elements, so the coupling has typically flexible rubber properties. Thanks to their robust design, RUPEX® couplings are also suitable for harsh operating conditions. Benefits RUPEX®...
Open the catalog to page 7Torsionally Flexible Couplings Rupex Series Introduction Materials » Hubs: Types RWN and RWB made of grey cast iron EN-GJL-250. Types RWS and RBS made of steel. » Flange: Types RFN, RFS made of steel. » Pins: Material steel 42CrMo4, surface fine-machined. » Brake disks: Type RWB made of EN-GJS-400 spheroidal graphite cast iron. Type RBS made of steel. » Brake drums: Type RWB made of EN-GJL-250 grey cast iron. Type RBS made of steel. Buffer material Material/description NBR standard type Marking Element black NBR electrically insulating NBR soft NBR hard NR for low temperature HNBR high...
Open the catalog to page 8Torsionally Flexible Couplings Rupex Series Introduction Types RWN/RWS – Alternate-sided arrangement of pins and buffers Types RWN/RWS – One-sided arrangement of pins and buffers Types RWB/RBS with brake disk Types RWB/RBS with brake drum
Open the catalog to page 9Torsionally Flexible Couplings Rupex Series Introduction Function The motor torque is transmitted to the hub on the drive side via the shaft-hub connection, which is mostly designed as a keyway connection. With the aid of elastomer elements mounted on steel pins, the torque is conducted to the hub on the output side. The hub on the output side further transmits the torque to the driven machine or a gear unit located in between. Because of the primarily compression-loaded elements, the coupling has a progressive torsional stiffness. Technical specifications Rated Torque for Buffer Type Size...
Open the catalog to page 10Torsionally Flexible Couplings Rupex Series Introduction Torsional Stiffness and Damping The values stated in the previous table on page 4 apply to a capacity utilization of 50 %, an excitation amplitude of 10 % TKN with the frequency 10 Hz and an ambient temperature of 20 °C. The dynamic torsional stiffness is load-dependent and increases in proportion to capacity utilization. The following table shows the correction factors for different rated loads. CTdyn = CTdyn 50 % • FKC 20% Correction factor FKC 65/80/90 ShoreA The damping coefficient is Ψ = 1.4 Torsional stiffness and damping is further...
Open the catalog to page 11Torsionally Flexible Couplings Rupex Type RWN Technical Specifications Rated Torque Buffer 80 ShoreA Hub material grey cast iron Mass Moment of Inertia
Open the catalog to page 12Torsionally Flexible Couplings Rated Torque Buffer 80 ShoreA Rupex Type RWN Technical Specifications Mass Moment of Inertia Configurable variants1) » ØD1 Without finished bore. Ordering example » RUPEX RWN coupling, size 710 » Part 1: Hub left with bore 180H7 mm, with keyway to DIN 6885 and ØD2 Without finished bore. With finished bore. With finished bore. » Part 2: Hub right with bore 200H7 mm, with keyway to DIN 6885 and Notes » From size 560 bores D1 and D2 are each provided with a recess of » The hub diameter of the component part is assigned according to the Ordering Code: diameter of the...
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