The single flexing coupling is for use in the case where shafts are supported by three bearings. The wide range of flange couplings is often restricted by the mating dimensions. These applications typically hav e a capacity range up to 178 knm in a range of configurations including single disc. Check that maximum peak torque is larger than installation peak torque item designation 1 winflex 2 disc brake 3 rigid hub 4 spacer 5 screws 2 1 4 3 5 without disc. Shrink discs are joined on the outer diameters of hubs external locking system. The shrink disc is the modern method for creating a mecha nical shrink fit. With the same trust earned in the power transmission. Product paper ringfeder shrink discs ringfeder power. Established in 1989, we design and produce keyless locking devices, shrink discs and rigid couplings. Additional data can help verify application envelope of space, weight and wr2 considerations. They are one of the most versatile coupling designs and can be customized to meet the demands of almost every application. The farr coupling is used when a rigid connection is required between the low speed shaft of a gearbox and the head shaft of a conveyor, bucket elevator, mixer or any overhung or suspended load. Like gear type coupling, proper lubrication is essential for grid type coupling also.
Prices are indicative only and may vary by country, with changes to the. World headquarters 2655 wisconsin avenue downers grove, il 60515 u. The screws on the shrink discs can be tightened without using a torque wrench and therefore the discs can be mounted quickly and easily. Wo2010069324a3 shrink disc coupling in drive shaft of a. Single disc units can accommodate angular a offset only. Replacing traditional shrink fits, keys and polygon connections, splined shafts etc. Then, either clearance or tapered holes need to be provided in the hub for the locking screws. Our comprehensive offering of intuitive tools help our customers maximize efficiency and productivity. Construction, installation and maintenance of flexible. Fenner drives bloc shrink discs offer extremely concentric and wellbalanced connections and are ideal for highspeed applications.
The coupling selection criteria is intended for the determination of the coupling and style only. Disc type metallic coupling disc coupling in a disc coupling, a disc is used as a flexing element. How disc couplings work with the advent of new materials, manufacturing techniques and analysis tools, flexible couplings for industrial applications have advanced greatly since their invention in the early 20th century. This means the customer has a free choice of output end.
In addition to our standard locking assemblies, rexnord also offers shrink discs, a style that clamps the equipment by using compressive force over diameter of the equipment to the shaft. In applications with frequent startsstops, direction changes, andor shock overloads, this backlash can lead to pounded out keyways, fatigue failures. Fenner drives bloc keyless bushings provide a high capacity, zerobacklash shafttohub connection by using the simple wedge principle. The shrink disc coupling beat out keywaybased couplings in this application for four reasons. Purchase shrink disc couplings today bloc fenner drives.
Jan 25, 20 the lovejoy disc coupling in table3 to verify the fit of this coupling. Wsr280 160 18800 nm shrink disc data sheet download. So cog wheels and sprockets, levers, lifters, cam discs, pulleys or brake discs, balance wheels, couplings, slip on gear mechanisms, flanges, pulley wheels and rotors can be attached absolutely reliable. Flexible disc couplings can be used in a wide variety of application from general industrial equipment to high speed precision machines. Select and configure custom product configurations through an easytouse interface. As a privatelyheld company, we think in the long term and globally. Strict quality control tuv approved shrink disc coupling. Typically, disc couplings can handle speeds up to 10,000 rpm. Qualified staff in the context of this documentation are persons familiar with the design, me. Email this page download pdf download pdf printable page. They are electrically insulating and transmit the torque without vibration.
Wsr270rf 22 8555 nm shrink disc stainless steel data sheet download. Series c732 shrink disc on climax metal products company. However, grid couplings have limited ability to accommodate parallel shaft misalignment. View pdf catalogues and other online documentation prices are pretax. The dodge coupling product line can offer a solution to almost any customer need. The bloc shrink disc is an external locking device that provides a high capacity interference fit with all the positive features of conventional interference fits, but without their assembly and dismounting problems. Shrink discs are selected to transmit very high torques without the use of keys, or the occurrence of fretting corrosion or backlash. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. The resulting shrink fit can handle extremely high forces of these applications. The couplings described in this manual of the types esd, esdr, esn, esnr, esnw and esdw may also be used in potentially explosible areas. Bloc shrink disc installation instructions youtube. The okcx shaft coupling is designed to reduce contact pressure, eliminating the need for costly reinforcement sleeves in hollow shafts compared with a standard coupling, the okcx coupling can transmit a higher torque but with a slimmer design, offering the added bene its of reduced weight and enabling space savings no bolts and langes. The coupling shown in the diagram on the right above is suitable for use in cases subject to great radial loads. Whether the need is an elastomeric or metallic design, dodge can provide a coupling with the potential.
Find out all of the information about the ringfeder power transmission product. A wide range of products, highest quality standards the latest technologies in mechanics and electronics, great depth. Shrink disc hsd series 20 type d d w m t p ax m a b d l h 1 a d 1 e kg mm mm knm kn nm mm mm mm mm mm mm hsd 24 20 24 20 0,15 15 12 m6 50 11,5 16 38 25 4,2 0,1 21 0,17 17 22 0,21 19 hsd 29 20 29 25 0,22 18 12 m6 58 12,5 18 44 32 5,5 0,1. Bloc shrink discs are external locking devices that provide a. Ringfeder shrink discs also convince through complete freedom from wear and maintenance, easy assembly and dismantling as well as outstanding resistance to alternating torsion and concentricity properties. Input versions with high speed shaft, provision for electric and hydraulic motors, and multiple disc brake options. Ringfeder shrink disc will self release and the hub will move freely on the shaft. In view of many problems that could arise with improper lubrication, it is necessary that the coupling manufacturers instructions be adhered to closely. Construction, installation and maintenance of flexible couplings. A disc coupling is a high performance motion control servo coupling designed to be the torque transmitting element by connecting two shafts together while accommodating for shaft misalignment. By using the powerlock, no metal needs to be removed from. Pusillanimously the other trailer couplings, the ringfeder shaft could bid her discriminate from iso 9001 her during the tallgrowing.
Backlash free and highly accurate disc couplings are excellent with powerlocks. The bloc brand is synonymous with world class quality, engineering excellence and unrivaled customer support. The bse value of the coupling is determined by the disc pack width. Kopflex kd disc couplings metric ahr international. The documentation is written for all emplo yees who. It is designed to be flexible, while remaining torsionally strong under high torque loads. Other data in coupling type section of catalog can be used to verify that selected coupling will work in application. When ordering the torqloc plus version, the output end must be.
Ringfeder shrink discs are flangeshaped, frictionlocked shafthub connections and the more powerful and reliable alternative to conventional shrink fits, wedge, keyway or polygonal connections. Sometimes, a setscrew is used to prevent axial movement during operation. Schrumpfscheiben shrink discs wellenkupplungen shaft couplings. Buy shrink disc couplings online from fenner drives today. Assembly and operating instructions explosionproof gear units 9 2 target group safety notes 2. Keyed versus keyless connection by scott moulis utilizing a key and keyway to fix rotating shafts to power transmission components, such as gears, sprockets, and lever arms is a traditional connection method. The okcx coupling enables costsavings in shaft preparation, mount ing and dismounting of couplings and, while cutting on docking time major cost savings in cpp shaft lines the okcx shaft coupling is designed to reduce contact pressure, eliminating the need for costly reinforcement sleeves in. Shrink disk connection for a wind turbine ep098091a ep2376779b1 en. Apart from the standard version, a hollow shaft with a shrink disc seat on both ends is available on request.
The hollow shaft must be considered as a thick walled cylinder, subject to external shaft contact pressure ps. Connection with shrink disc all series, flange coupling mav fc2008, sleeve couplings mav sc2008. The shrink disc consists of either one or two thrust rings with tapered bores and a mating tapered inner ring. Compared to coupling devices with separate disc for axial securing, the width is reduced, and the weight of the lock washer can be saved. To connect the servomotor used in nc machine tools with the ball screw, an exceptional usage of the coupling as shown in the. Our locking assemblies, shrink discs and keyless rigid couplings offer a zero backlash component mounting or coupling solution using multiple high strength. Tyre coupling flanges are available in either f or h taper.
Aug 24, 2016 the okf coupling was developed to create a simple connection between a cylindrical shaft and engines or gearboxes having a flange at the thrust shaft. Easy removal after loosening the locking screws, the. Shrink disc hsd series 21 type d d w m t p ax m a b d l h 1 a d 1 e kg mm mm knm kn nm mm mm mm mm mm mm hsd 140 21 140 110 16 298 100 m12 215 38 52 164 143 6,5 6 120 20 341 25 385 hsd 155 21 155 26 398 100 m12 245 38 52 184 164 6,5 8 160 5 28 420 140 31 443 hsd 165 21 165 5 29 432 160 m14 263 43 58 200 174 6,2 11 170 140 32 456 145 35 480. Tlk603 tollok tlk603 shrink discs available from 14 mm to 480 mm in diameter. Shrink discs can also be used as half shrink discs transmitting half the catalog rated torque. Dodge has manufactured couplings for over 100 years, earning a reputation for developing innovative products that lower customers total cost of ownership.
Helical geared motors, mini geared motors, mechanical shrink. For spacer units, the spacer length is held between two disc pack sets. Shrink discs introduced to the market in 1979, rexnord tollok locking assemblies offer a wide variety of configurations. Shrink discs and rigid shaft couplings are well suited to transmit torque, thrust loads and bending moments, separately or simultaneously. This animation displays the simplicity of dismounting an okf coupling. Internal hollow shaft shrink disc or rigid shaft coupling connection. General information 10 wind turbines shafthub connection in wind turbines for the connection of the main shaft and the gearbox axial fastening axial fastening of the bearing inner ring with the aid of a. The shrink disc connection has none of these disadvantages and is better than any of the other usual connection methods with regard to fatigue strength under alternating torsional stress. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. Commonly used on hollow output shaft gear boxes or flange couplings.
Their primary functions, however, have remained the same. Mav shrink discs and rigid couplings mav shrink disc. Solid shaft shrink disc or rigid shaft coupling connection. Wsr286 50 43000 nm shrink disc data sheet download. When sized properly, the farr coupling will carry the application torque, weight of gearbox, motor and swing plate. The skf disc coupling consists of two hubs and a laminated stainless steel disc pack secured by a series of fitted bolts ained et r y b nylon insert lock nut nuts.
When sized properly, the farr coupling will carry the applica tion torque, weight of gearbox, motor and swing plate. Our product range offers not only the standard classical flange coupling bikon 30 developed, patented, and launched in 1981, but also a large number of variants. The material yield strength must be greater than shaft contact pressure ps. When using ok couplings for shaft connections, you profit from the advantages of our powerful oil injection method. The bloc shrink discs offer wellbalanced connections and are perfect for highspeed applications. Wsr 400rf410rf 2,7 340 nm rigid shaft coupling stainless steel data sheet download. The farr coupling is used when a rigid connection is required between the low speed shaft of a gearbox and the head shaft of a conveyor, bucket elevator, mixer or any over hung or suspended load. Coupling with ventilated disc brake, designed to permit mounting and dismounting of the disc without necessity of moving connecting machines. Strict quality control tuv approved shrink disc coupling, find complete details about strict quality control tuv approved shrink disc coupling, shrink disc coupling, shrink disc coupling, shrink disc coupling from shaft couplings supplier or manufacturerningbo bulktek industries co.
Since then, our couplings have been widely accepted in japanese market under the bland name of formflex coupling and have acquired a high reputation. Mav sd and rigid couplings mav pdf catalogs technical. Assembly involves shrinking the hub on the shaftaxis, generating thereby a frictional connection. Shafthub connections,drive technology,hydraulic shrink discs,locking assemblies,shaft couplings,flange couplings,clamping device,industrial buffer,tas gmbh. Coupling credible failure modes and owner options to intervene. Shrink discs rfn 4171 this new rfn 4171 shrink disc employs a single, long, shallow taper instead of opposing tapers of the traditional ringfeder. The hollow shaft must be considered as a thick walled cylinder, subject to. Unlike gear and disc couplings alternative metallic type couplings capable of transmitting high torque levels, grid couplings have a unique ability to reduce vibration by as much as 30%, and cushions shock loads to safeguard driving and driven equipment.
Some of the applications in which flexible disc couplings can be used are. Climax series c733 standard duty shrink discs connect flanged coupling halves. Skf disc couplings the skf disc coupling is the ideal solution in medium to high torque applications that require torsional rigidity, offer some allow ance for misalignment, and do not require lubrication. The structure of the coupling device is simplified because no additional components are required for the fuse element. The shrink disc is therefore not in the load path instead, the torque is transmitted in a forcelocking manner at the joining surface between shaft and hub without an intermediate element.
Shrink discs from ringspann as twopart or threepart design, for highest transmissible torques up to 4225000 nm. Helical geared motors, mini geared motors, mechanical shrink disc, shaft coupling, hydraulic shrink disc, locking elements, mumbai, india. Unlimited range of applications ringfeder shrink disc connections are suitable for securing all types of hubs onto shafts and axles. Find your shrink disc coupling easily amongst the 20 products from the leading brands wittenstein, ringspann. The highquality original from the world market leader. Our locking assemblies, shrink discs and keyless rigid couplings offer a zerobacklash component mounting or coupling solution using multiple high strength. Shrink disc coupling flange rfn 4073 series ringfeder. Standard series this is the most popular shrink disc. A vast range of input and output options and standard accessories.