Safeset, smartset, slipset and autoset ensure safe operation of the driveline, by releasing or slipping at a very precise torque level. Hence a fluid coupling cannot achieve 100 percent power transmission efficiency. Fillcontrolled fluid couplings operate on the principle of hydrodynamic power transmission, meaning that torque is transmitted by a liquid and occurs in a. We are a reliable service lyttelton mining supplies. Service for fluid couplings hydraulic couplings voith. Besides this, fluid couplings are used in many plants to control the rotating speed of turbo. The voith group, which is headquartered in germany, is a familyowned multinational.
Because of the harsh operating conditions underground, afc drives need to be extremely robust and reliable. The shell and the vanned outer wheel forms the working chamber. The fluid couplings are available with delay fill chamber and can be supplied as bareshaft or fitted with vbelt pulley drives. Voith turbo i variablespeed turbo couplings i cr 104 en 5 voith variablespeed turbo couplings developed for reliability fields of applications, drives of. Constantfilled fluid coupling with valve control types. To watch a video in your browser, click on the file name. Fluid couplings voith offers fluid couplings and solutions for highly efficient and reliable drive system solutions for the mining industry and the handling of raw materials. Constantfilled fluid coupling with valve control types tv f. Voith mining technology mining news and views updated. The output speed is controlled by adjusting the amount of fluid in the torque converter through scoop tube positioning.
Voith offers fluid couplings and solutions for highly efficient and reliable drive system solutions for the mining industry and the handling of raw. These units generally have a service life of several decades. For this reason, high break down torque squirrel cage motors are nor mally chosen for this severe duty. Divisions, voith turbo, voith hydro, voith paper, voith digital ventures. The inner wheel of the turbosyn consists of separate. Voith fluid couplings on an impact crusher for reducing minerals. The entire operating fluid in the coupling is at rest. We supply brands such as westcar, turbostart, siemens, flender, voith turbo, fluidomat and transfluid. Hence the operating fluid is an important design element for the whole system. Introduction voith disk pack mount style fluid couplings provide for a radially removable mount style arrangement while at the same time providing a generous misalignment tolerance. The basic design of the voith turbo constantfill fluid coupling.
A fluid coupling cannot develop output torque when the input and output angular velocities are identical. At the same time, fluid couplings limit torque, provide load sharing, and dampen torsional vibrations. Prevent overload damage and accommodates alignment the patented voith buffer roller br coupling transmits. Fluid couplings, hydraulic couplings, turbo couplings voith. This is critical when operations are located in potentially explosive atmospheres. The voith turbo coupling is a hydrodynamic coupling working to the fottinger principle. Its main elements consist of two blade wheels the pump impeller and the turbine wheel enclosed by a shell. In fluid couplings, fluid flow transfers the power from the pump impeller to the turbine runner.
Voith turbo, the drive technology specialist, presents animations of fillcontrolled fluid couplings on a completely new multimedia cdrom. Constantfill voith fluid couplings are used with electric motors in a wide range of applications, especially when highest powers, economy and reliability are required. For voith turbo couplings with geared xg supplement to voith manual 362601en voith voith turbo, inc. The hydrodynamic principle of a fluid coupling makes it easy to gently accelerate driven machines. The hydrodynamic working principle of torque transmission through fluid flow is illustrated using two fans. Additionally, voith offers fluid couplings with water as the operating medium type twvvs. Less operating fluid in the working chamber at the start, resulting in a smoother startup. Users benefit from fast, simple, and personalizable access to voith services. Voith torque limiting couplings are used in many applications in industries worldwide. During operation, the operating fluid flows back into the working chamber. Worldwide, these systems are used in industrial plants, as well as in road and rail vehicles. Installation and operating manual turbo couplings with.
Conclusion this paper covered fluid couplings for motordriven boiler feed pumps used for thermal power generation. Voith br coupling are elastomeric cylinders located in pockets formed. Voith turbocool variable speed fan drive fluid coupling optimizes cooling control of engine driven gas compressor packages, reduces maintenance, protects drive components. Water used as operating fluid for turbo couplings with. By 1929, the first voith hydrodynamic couplings based on the fottinger principle were in use at the. 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. The momentary available volume flow, dependent on the selected accumulator size, will be a multiple of the actually installed pump volume capacity.
This sample video contains extracts from the fluid coupling operation training video produced by f. Due to slippage that will occur in any fluid coupling under load, some power will always be lost in fluid friction and turbulence, and dissipated as heat. They can be deployed in areas ranging from highefficiency gas. Fluid couplings are torquetransmitting couplings that use hydraulic oil or water to transmit power. Voith turbo is the worldwide leading manufacturer of hydro dynamic variablespeed drives.
The type tvvs fluid coupling is predominantly used in belt conveyor drives. Vibration damping controlled startup with high heat capacity. Continuous development keeps our products at the latest state of technology. Turbotransmissions serve as a hydrodynamic link which converts a motors mechanical energy into the kinetic energy of a fluid, via a torqueconverter and fluid coupling, before producing the final rotary output. Hydrodynamic softstart couplings voith turbo provides fluid coupling and drive solutions for the efficient and reliable operation of systems in the mining industry and the handling of raw materials. The fluid coupling type tv is equivalent to the fluid coupling type t, enhanced with a delay chamber. The circulatory flow created in this the voith turbo coupling is a hydrodynamic coupling based on foettingers principle. Services commercial vehicles services marine services industry division voith turbo products. Furthermore, voith offers fluid couplings with water as the operating medium type twvv. Voith turbo provides fluid coupling and drive solutions for the efficient. Construction, working, operation and maintenance of fluid. Putting traction on the chain because of the harsh operating conditions underground, afc drives need to be extremely. The coupling also provides the drive protection against overload and dampens torsional vibrations.
This protects your system and increases its productivity. Combination of a hydrodynamic startup coupling with a mechanical clutch coupling. Variablespeed turbo couplings lyttelton mining supplies. It is used in automotive transmission system, marine propulsion system and in industries for power transmission. Fillcontrolled fluid couplings from voith turbo yumpu. As an employee of a shipyard stettiner vulkan, it was his task to combine the. Voith fluid couplings turbo couplings are used with elec tric motors in a wide range of applications, especially when highest powers, economy and reliability. Furthermore, spheroidal cast iron outer casings type tuvv are available and meet relevant material requirements. Voith turbohoist systems for shaft hoisting applications. Voith vsp operation and maintenance manual voith turbo maritime news, maritime magazine, shipbuilding announced it has developed a range of new designs of offshore windfarm service operation. Both wheels are provided with bearings relative to each other.
The voith turbo fluid coupling type t basic design, shown in above figure, consists of a few main components without additional adjoining storage chambers. The history of voith turbo in crailsheim began in 1956 with the relocation of coupling manufacturing from the original factory in heidenheim. Thepower is transmitted with hardly any wear, there is no mech anical contact. Here, the fluid is driven through rotor blade canals at high flowrates and low pressure. The hydrodynamic principle of a fluid coupling makes it possible to gently accelerate driven machines and to transfer power in a wearfree manner. Voith turbo specializes in mechanical, hydrodynamic, electric and electronic drive systems, as well as braking systems. Combining engineering skills, innovative strength and.
Balancing for higher speeds andor with oil filling and minutes is available upon consultation with us. Voith turbo provides fluid coupling and drive solutions for the. Fluid drive torque converter coupling cw rotation annulus planetary gear sun gear ccw rotation below output speed of 4553 rpm stage 1 operation power is transmitted to the fluid drive via an electric motor operating at 1796 rpm. With voith s accumulator charging technique you generate exactly as much hydraulic energy as demanded by the process.
In an overload situation the safeset slips and the shear tube shears off. Voith turbo distributor pumps, motors, valves, and servo. Since 2006 he is employed at voith turbo as head of. Voith turbo hydrodynamic couplings combine, in the smallest of. The voith turbocool coupling optimizes the operation of gas compressor stations with engine driven cooling fans. Fluid couplings are commonly used in the drives of belt conveyors, afcs and crushers. Introduction voith xg mount style fluid couplings provide for a radially removable mount style arrangement while at the same time providing a generous misalignment tolerance. Hydrodynamic softstart couplings voith turbo provides fluid coupling and. Voith torque limiting couplings secure your driveline against torque overloads. Manuals for voith retarder actros to download voith retarder actros manuals for download and printout as pdf or for viewing them online. Turbo couplings with disk pack xp connection couplings voith operating manual 3 1.
Voith offers fluid couplings and solutions for highly efficient and reliable drive system solutions for the mining industry and the handling of raw materials. The fluid coupling assembly can now be positioned between the motor and reducer. Btm continuous sensing of the current temperature of the operating fluid in the voith turbo fluid coupling represents a new capability and offers two decisive benefits. Power transmission elements combine the driving machine with the driven machine. The thermal reserves of the coupling can be better utilized and intervention in the process to achieve specific. As an expert for difficult tasks in power transmission voith turbo meets the steadily increasing requirements in practice and convinces through innovative performance. The fluid level of delay chamber and working chamber adjusts at standstill. You have successfully added from to your part list. The geared variable speed coupling controls the speed of the driven. Voith fluid couplings for application in belt conveyor, afc and crusher drives. Constantfill voith turbo couplings are used with electric motors in a wide range of applications, especially when highest powers, economy and reliability are required. How does the torque converter in the automatic transmission work.
Its main com ponents are two bladed wheels a pump wheel and a. Voith fluid couplings working principle en youtube. Thousands of variable speed fluid couplings in pump and. In the field of turbo transmission, voith turbo transmissions is the worlds market leader. This mount style also reduces the overhung load on the reducer or driven shaft. Requirements to be fulfilled by the operating fluid. Currently this only includes software updates for the diwagnosis program, online service manuals for diwa transmissions, voith pump distributor information, manuals for certain voith marine products, and diwa and voith rail bulletin and service information that you can download or read online. Voith buffer roller coupling lyttelton mining supplies. Coupleur hydraulique voith pdf the voith turbo coupling is a hydro dynamic coupling based on.
This protects driveline equipment and smoothens production. Founded in 1867, voith employs more than 39,000 people, generates euro 5. The density and viscosity of the fluid are of primary importance. Voith mining technology mining news and views updated daily. Contact commercial vehicles marine pumps power, oil, and gas mining and metals rail. They differ from torque converters in that the input torque is equal to the output torque no multiplication of torque. Voith turbo, a group division of voith gmbh, is a specialist. For example, torque converters and hydraulic couplings can be used to drive a. The 750 tvvf fluid coupling in a strander, which cannot be started up. Startup with increasing speed, the operating fluid in the working circuit is accelerated via the pump wheel.