Construction, working, operation and maintenance of fluid couplings. Rexnord lifelign is an interchangeable replacement option for other coupling brands. Consult flender gmbh a siemens companys entire the fludex arpex combination for a soft starting torque now comes in a standardized series catalogue on directindustry. Fludex couplings limit the starting and the maximum torque in the drive train and serve as starting aid for the motor, as overload protection in case of malfunction, and for torsional vibration separation. Sizes 7 through are provided with an adapter collet. This fluid coupling is to be installed on the end of a drive shaft with a sheave mounted on the fluid coupling. Approved and recommended lubricants for the application in flender gear units and flender couplings t 7300 gear oils for helical, bevel and planetary gear units. We supply brands such as westcar, turbostart, siemens, flender, voith turbo, fluidomat and transfluid. Output is transmitted via the oil filling which rotates in the cou. Furthermore, neupex couplings can be used as addon couplings, particularly on fludex fluid couplings or arpex akr safety couplings. Elastomeric omega, viva, and wrapflex couplings are crafted for customer needs. All our fluid couplings are designedwith radial blades and therefore. For a selection of permissible oils and oill filling capacities please refer to page 23.
Torsionally flexible couplings pages 89 fluid couplings pages 12 couplings for wind turbines pages 1415 couplings for railway vehicles pages 1617. Our customers have also successfully combined fludex fluid couplings and. Fludex couplings marked with ex are constructed with fusible safety plugs 110 c. Fluid coupling, the principles of operation youtube. Any ideas and suggestions for improvement will be gratefully received. The dodge fluid coupling allows the driver to start under no load, resulting in a smooth start up and reduction of amp draw from the motor. Premium transmission gear manufacturing company, fluid. A fluid coupling or hydraulic coupling is a device used for transmitting power from one shaft to another shaft by means of acceleration and deceleration of a hydraulic fluid. We are one of the leading manufacturers and suppliers in china. The technical data to the fludex couplings listed in these instructions are documented on the orderspecific drawing of the coupling see operating and coupling data fields and in the current.
Maintenancesome flender coupling series aremaintenancefree, others require. The dotted line represents the energy lo st bringing. Flender graffenstaden is unique among full service gear manufacturing companies or provide a global field service support team in. It also has widespread application in marine and industrial machine drives, where variable speed operation and controlled startup. Fluid coupling is also known as hydraulic coupling is a hydrodynamic device which is used to transfer rotational power from one shaft to another by the use of transmission fluid. Power saving is compared with directdamper drive and fluid drive couplings. Flender fludex couplings from siemens are hydrodynamic fluid couplings operating according to the fottinger principle. We supply highquality siemens flender couplings for almost all branches of industry. This catalog contains the whole uptodate product range of our standard couplings, such as. Flender fludex fnds series, flender fludex fnd, flender fludex fndb, flender fludex fndssb, flender fludex fno, flender. Based on an experience of more than 12 000 thousands gear units, flender graffenstaden manufactures high efficiency gear units used in all processes in power plants, refineries, offshore and onshore oil and gas installations, petrochemical and industrial process plants around the world. Loads can easily be balanced on multiple drive systems when falk true torque fluid couplings are installed at each motor. Elastic flender couplings are mateable and easy to assemble. Flender does not compel the gear unit end users to use only one of the listed oils.
Elecons range of couplings includes elign geared coupling, elflex flexible couplings, fluid couplings, scoop controlled variable speed controlled fluid coupling, and torsion shaft couplings. The coupling parts on the input and output side are not mechanically connected and are therefore wearfree. Coupling flender coupling is a fluid coupling on which the coupling parts on the input and output side are not mechanically connected and thus resistant to wear. Fludex couplings limit start and maximum torque within the drive train and serve as starting aids for the motor and as overload protection in the case of an. Flender couplings for almost all industrial branches. Consult flender gmbh a siemens companys entire the fludex arpex. Fluid couplings fluid couplings are mechanical couplings that are filled with a fluid, typically oil. Whereas, the power consumed in other drives are more than fluid coupling. Ffa 000000652020 eoc system on the eoc system the temperaturedependent magnitude of the magnetic field of the eoc transmitter is measured and used for a switching pulse. Our film illustrates the fottinger principle as well as the operating. Flender fludex series industrial equipment pdf manual download. Fluid coupling is based on hydrokinetic principles and requires that the output speed be less than the input. If the coupling is intended for installation in plant or equipment, the manufacturer of such plant or equipment must ensure that the contents of the present operating instructions are incorporated in his own instructions. A fluid coupling or hydraulic coupling is a hydrodynamic or hydrokinetic device used to transmit rotating mechanical power.
The torque is transmitted by the fluid movement in the coupling, accelerated by the radial blades. During fluid coupling speed variation, consume power and also the losses across fluid couplings are considered for motor shaft power computation. As an added benefit, motors on multiple drive systems can be individually started because of the ability of one coupling to temporarily operate at 100% slip. Fluid couplings vs vfds for high inertial rotating driven. Flender graffenstaden will support all installed gearboxes in each country and perform all field services required as quickly as possible. Fluid couplings protect your machinery and ensure a longer life for your equipment. Please be free to wholesale the quality, safe and durable equipment with our factory. A further range has been created by the addition of other parts to this basic type. Flender standard couplings fluid couplings fludex series general information 4 siemens md 10. Nicola warning head of bss flender couplings siemens ag, process. The drive unit must be shut down as soon as changes to the coupling are detected during operation. Fluid coupling working principle advantages of fluid. Examples of applications are pump drives, ventilator drives or crane running gear. Our couplings are of firstclass quality and available worldwide our contribution to the reliability of processes in your plant.
Milano italy sheet date 7 10061a en 012017 characteristic curves startup without fluid coupling figure 1 represents the typical startup of an electric motor directly connected to the load. The term assembly and operating instructions will in the following also be shortened to instructions or manual. With replaceinplace design, falk steelflex grid couplings offer a low. They either originate from a wide standard coupling range or are applicationspecific solutions.
Soft and save the fluid couplings from flender are always reliable. Rigid taper lock couplings in 8 sizes up to 10,500nm section 5. Many flexible couplings use fixed position flexible metallic, rubber or plastic elements, such as discs or bushings, that rotate with the shafts and absorb misalignment. Accordingly, we offer you a wide range of flexible, highly flexible, torsionally rigid and hydrodynamic couplings and in numerous sizes and versions. Siemens flender fludex fluid coupling allow for quiet operation, low maintenance, reduced torque during startup, vibration, shock resistance, startup without load, reduced startup time. It is used in automotive transmission system, marine propulsion system and in industries for power transmission. Hrc, resilient couplings from 30 to 3,150nm, available in taper lock and pilot bore variants jaw couplings from 0. Yours truly, nicola warning head of bss flender couplings. Flender couplings standard couplings catalog md 10.
The fluid couplings of the fludex series withstand a load for a short time. Only to make the choice of the lubricant easier for the users of the gear units, flender recommends in the tables t 7300 products which have been tested accordingly and meet the flender requirements. Fluid coupling type t is the basic version of constant. The fludex arpex combination for a soft starting torque now. Other coupling types are flexible couplings and fluid couplings. The fludex arpex combination for a soft starting torque. The elastomer element compensates for shaft misalignment and absorbs impacts from the motor or work machines. The coupling parts on the input and output side are not mechanically connected and thus not subject to wear. Legal notes warning note concept this manual comprises notes which must be observed for your personal safety and for preventing material damage. The fluid couplings are available with delay fill chamber and can be supplied as bareshaft or fitted with vbelt pulley drives. When the coupling is installed in plant or equipment, the manufacturer of such plant or equipment must. Install sheave to fluid coupling hub, torque bushing capscrews.
Flender standard couplings eriks 2015 by eriks nederland. A common example and one that most people would recognize is a torque converter in any vehicle with an automatic transmission. The more complex the drive train, the more specific the demands placed on the individual drive components. Without having to register, you can download these catalogs in pdf. The coupling parts on the input and output sides are not mechanically connected to each other. As one of the most important manufacturers of mechanical couplings siemens offers the most varied types and numerous sizes and assemblies of the highly standardised flender couplings. Our compact steel couplings provide highly precise transmission of high torques especially under. With our coupling programme, which includes torsionally rigid and torsionally flexible shaft couplings and overload protection, we can offer the optimum coupling solution across sectors and for almost any application. Siemens flender fludex hydraulic couplings are simple, compact and economical to install and save energy by optimizing system performance. Elecon is a leading manufacturer and exporter of various types of fixed and variable speed industrial couplings. The coupling is suitable especially for drives with uniform to average dynamic loads. Fludex couplings are hydrodynamic fluid couplings which operate on the fottinger principle.
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