Voith turbo i variablespeed turbo couplings i cr 104 en 9 voith variablespeed turbo couplings torque curves operating range the performance diagram shows the transmittable coupling torques t k at different scoop tube positions as a function of the output speed. Custommade gear coupling and spindle solutions meet the individual needs of all types of hot, steckel, plate mills and long product rolling mills bar, wire, billet, beams, tubes, etc. Choose from names you know like falk, steelflex, thomas, and addax. Whether you are operating remotely in the cold, subzero of alaska, the dusty heat of the middle east, the corrosive environment of the north sea or in areas of high humidity, john cranes broad range of power transmission couplings for the global oil and gas industries are designed to operate safely and. When a runaway starts the driver will be in a position such as on the catwalk of the truck or. Coupling torque speed ofbores torsionally torsionally backlash type rangenm capacity mm soft rigid free universaljoints 10to580 lowtomedium 6to50 4 oldham 0. The coupling has been designed using state of the art finite element analysis to ensure optimum performance. Replacing a traditional mechanical coupling with a hydraulic connection coupling, facilitates service and maintenance, for example changing the transmission.
Hydrodynamic couplings provide wear free power transmission and vibration dampening between input and output. Voith torque limiting couplings driveline intelligence. The single flexing coupling is for use in the case where shafts are supported by three bearings. Easy visual inspection and and replacement of flexible elements. Voith turbo safeset we are the experts in torquelimiting and connection couplings at voith turbo. Friction is generated upon expansion by pressurized hydraulic oil. Safeset is a torque limiting coupling which prevents machine damage in high value rotating equipment. They work like a mechanical fuse in the driveline by protecting the system from costly breakdowns. Contact commercial vehicles marine pumps power, oil, and gas mining and metals rail. Safety coupling voith turbo safeset ab free patents online. This assembly forms a twinwalled sleeve which can be oil pressurized up to 1,000 bar 14,500. The hydrodynamic working principle of torque transmission through. Crc in china for over 520 safety couplings valued at over 2 million euros. Jaw coupling good temperature and oil resistance free of maintenance simple structure and easy to install the rubbers can be individually replaced when they are wornstandard products are finished bore products.
Therefore, it is a trouble free installation design. In the area of the drive train, these primarily include safety couplings, which are available in a wide range of designs today. Coupling is designed to provide a safe and reliable coupling connection for high speed turbo machinery. Safeset instantly disconnects the inertia from the crusher. These couplings have been engineered to meet specific requirements with. In the coupling configuration, the torqtender fulfills two functions. The integrated shear tube holds pressure to ensure a constant but easy adaptable torque transmission. Powerful, efficient, reliable key components for combined. In addition they can also serve as the lube oil system in the drive train. To connect the servomotor used in nc machine tools with the ball screw, an exceptional usage of the coupling as shown in the. Voith turbo i highperformance universal joint shafts i g 830 en 2 range voith highperformance universal joint shafts offer an ideal combination of torque capacity, torsional rigidity and deflection resistance.
Torque limiting couplings from voith prevent machine damage in high value rotating equipment. A safety coupling comprising a safety mechanism and a safety arrangement related to each other, the safety coupling comprising. Safety instructions installation the pt line of quick disconnect couplings comes with a wide range of fittings including threaded, hose connection, and flanged end. The voith turbo smartset has the ability to slip without seizing due to its special friction surface. No material fatigue, a constant torque transmission and adaptability. Safeset torque limiting coupling with instant release time safeset torque. The torqtender in the shaft to shaft configuration will handle angular shaft misalignment up to 1. Temperatures which exceed this range are possible with small design changes. Torque capacity available between 1 and 20 000 knm. The safeset precisely limits torque through a friction connection that. Safeset torque limiting couplings prevent machine damage. Voith turbo, the specialist for hydrodynamic drive, coupling and braking systems for road, rail and industrial applications, as well as for ship propulsion systems, is.
This paper describes the torque limiting coupling, safeset. Your operations and machines continue to evolve, and so do we. Torquelimiting couplings safeset, smartset and autoset. It works like a mechanical fuse in the driveline by safely. With the hyguard hydraulic safety coupling, the torque is transmitted exclusively via friction between the hydrostatically loaded surfaces of the shaft and hub. About vti web services safeset operation and instruction video. The safe coupling and uncoupling guide is intended to assist employers, those who control sites where coupling and uncoupling is undertaken by users of large goods vehicles, managers, selfemployed drivers and driver training bodies. How does the voith safeset torque limiting coupling work. Services commercial vehicles services marine services industry division voith turbo products. 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. According to voiths press release, changchun railway vehicle co. Applicable for wet and dry oil free air fire protection systems only. Safeset torquelimiting safety coupling features a hollow steel sleeve which is expanded by.
The coupling shown in the diagram on the right above is suitable for use in cases subject to great radial loads. It also has widespread application in marine and industrial machine drives, where variable speed operation and controlled startup without shock loading of the power. The voith turbo coupling with its inherent hydrodynamic advantages has proven itself in millions of applications worldwide. April 16, 2006the voith turbo product group safeset safety coupling, based in hudiksvall, sweden received a major contract from changchun railway vehicle co. Voith turbo safeset wins major chinese safety coupling. Safeset torquelimiting couplings and connection couplings from voith not only avoid machinery damage due to overload, they also improve processes and increase production. For more detailed information refer to jaure instruction manual. Rexnord has provided customers with industryleading, precision engineered coupling solutions for over a century.
Frequently, the coupling is used to connect the gear shaft to the. It has been used in automobile transmissions as an alternative to a mechanical clutch. The voith turbo slipset is a mechanical fault ride through coupling that slips to trim or shave off torque peaks. Safeset torque limiting couplings control the torque and absorb shock loading, protecting the driveshaft and motor. The wear free power transmission of voith fluid couplings is explained in this simple demonstration. The desired output speed is the result of a stable intersection between coup ling. It is used as an alternative for the mechanical clutch. A fluid coupling or hydraulic coupling is a hydrodynamic or hydrokinetic device used to transmit rotating mechanical power. Manufactured for quality, reliability, and easy maintenance, rexnord couplings offer dependable coupling solutions for every industry and every application. Oil pressure drops and the frictional surfaces separate. Smartset is a torque limiting coupling with controlled slip based on the same technology as safeset, with the additional ability to also slip without. The voith safeset is made up of an inner and outer sleeve that are assembled and welded at the ends. Crc is chinas largest manufacturer of electrical rail. Safeset device ameridrives safeset torquelimiting safety coupling features a hollow steel sleeve which is expanded by oil under pressure producing a friction connection between a shaft and a hub.
This may include, fasteners, lube plugs, shims, plate, gaskets, etc. Adapter plate an adapter plate, also known as a solo plate, is an auxiliary device required to rigidly. Backlash free power transmission set torque remains constant over time quick and easy setting limitation of short peaks without release. Voith fluid couplings working principle en youtube. Size check select a gear coupling to connect a 500 hp, 1170 rpm electric motor to a drive high speed shaft of a maneuvering winch. In an overload situation the safeset slips and the shear tube shears off. What is a voith safeset torque limiting coupling and what. Safe operation is critical to maintaining productivity. Coupling nomenclature term definition accessory set accessory set is package of hardware used to assembly coupling components.
Load cycle torque 10 10102 104 106 8 shear pin coupling safeset sn curve operation to start operation of the coupling, connect a safeset pump to the oil charge port and release the shear valve slightly to allow oil to be pumped. At overload the coupling instantaneously releases the oil pressure and interrupts the drive. Then the safeset rotates on the bearings without transmitting any torque. Pdf the planetary data system pds is in the midst of a major upgrade to its system. The integrated shear tube holds pressure to ensure a con. It is used in automotive transmission system, marine propulsion system and in industries for power transmission. Safesettorquelimitingcouplings free download as pdf file. The safeset coupling includes a twinwalled hollow sleeve. Listedapproved for continuous use in wet and dry systems. Safeset torquelimiting safety coupling features a hollow steel sleeve which is expanded by oil under pressure producing a friction connection between a shaft and a hub. We supply standard universal joint shafts, customerspecific adaptations as well as special designs.