Bloc shrink discs are external locking devices that provide a. 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. Falk disc couplings are a practical alternative to lubricated and elastomer couplings for many applications. All the screws must be removed from the shrink disc and then three bolts screwed into the threads.
Nov 28, 2011 disc couplings accommodate misalignment by using a flexible disc which is connected by alternating bolts to opposing flanges. Flexible disc couplings can be used in a wide variety of applications from general industrial equipment to high speed precision machines. More bolts provide greater capacity but reduce the coupling flexibility. By tightening locking screws the thrust rings are drawn together compressing. Flexible disc coupling, precision diaphragm coupling, od68mm flange type. Ruland single disc couplings are comprised of two anodized aluminum hubs and one set of stainless steel disc springs. Membrane disc couplings flexible membrane couplings. Shrink discs rlk 606 twopart design high transmissible torques features high transmissible torques easy, quick assembly by tightening clamping screws. They utilize thin stainless steel disc springs that allow for a substantial amount of shaft misalignment while remaining rigid under torsional loads. Ruland manufactures disc couplings in single and double disc styles with bores in inch, metric, and inch to metric combinations ranging from 18 to 114 and 3mm to 32mm. The thickness of the discs and distance between bolts determines the amount of flexibility. Keyless coupling hubs with bore sizes less than approximately onehalf the maximum bore listed may not transmit the.
The shrink discs are selected to transmit the high amount of torque without the requirement of the keys. Fenner drives bloc shrink discs offer extremely concentric and wellbalanced connections and are ideal for highspeed applications. This movement is not of great concern for applications below 3,600 rpm, but for higher speed applications, a ptfe based. Coupling with ventilated disc brake, designed to permit mounting and dismounting of the disc without necessity of moving connecting machines. Shrink discs are selected to transmit very high torques without the use of keys, or the occurrence of fretting corrosion or backlash. Design and functionality of rexnord modulflex disc coupling rexnord modulflex torsionally stiff, flexible disc couplings are allmetal couplings complying with standard 740. Find your local sales representative to order the composite disc coupling you need, or contact zeromax to discuss your custom requirements. Formflex disc style couplings enable high torque transmission whilst simultaneously compensating for angular, parallel and axial shaft misalignment. By tightening locking screws the thrust rings are drawn together compressing the inner ring and applying pressure to the outside of. Our comprehensive offering of intuitive tools help our customers maximize efficiency and productivity. Commonly used on hollow output shaft gear boxes or flange couplings. A flexible disc coupling is fitted in place of a bearing to the drive end of the alternators main rotor. Shafthub connections,drive technology,hydraulic shrink discs,locking assemblies,shaft couplings,flange couplings,clamping device,industrial buffer,tas gmbh.
In applications with frequent startsstops, direction changes, andor shock overloads, this backlash can lead to pounded out keyways, fatigue failures. 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. Ringfeder shrink disc installation instructions youtube. These couplings are composed of all metal and do not require lubrication. Remove the hydraulic hose coupling and replace the shrink discs are supplied assembled and ready to install. Hrc, resilient couplings from 30 to 3,150nm, available in taper lock and pilot bore variants jaw couplings from 0. If the coupling was shipped disassembled, the bolt through the. Agn 232 generating set assembly coupling arrangements. Our products are used in steel mills, paper mills, water treatment plants and many other industrial power transmission.
Shrink disc is an external locking device that provides interference fit with all the advantages of conventional interference fits, but without the. Make sure that the jacking screws 1 are tightened back into their original position. 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. Backlash free and highly accurate disc couplings are excellent with powerlocks. Removal of interference fit hubs introduction the following instructions apply to all rexnord shaft couplings with standard interference fits. Disc coupling packs are manufactured using high grade stainless steel aisi301, ensuring high strength, high endurance to fatigue, and resistance to most environmental conditions.
After installation, make sure the remaining gap s between the outer rings of the shrink disk is 0 mm. With the same trust earned in the power transmission. The bloc brand is synonymous with world class quality, engineering excellence and unrivaled customer support. Single disc couplings are composed of two hubs, typically made of aluminum or stainless steel, and a single, flat, stainless steel disk spring. Refer to the factory if couplings were furnished as specials. The dodge coupling product line can offer a solution to almost any customer need.
A wide range of products, highest quality standards the latest technologies in mechanics and electronics, great depth. Prices are indicative only and may vary by country, with changes to the. The wide range of flange couplings is often restricted by the mating dimensions. We offer membrane disc couplings in three configurations. The torque capacity of keyless clamped hubs is governed by many factors, including shaft hub bore diameter, clamp size, and other installation variables. Dodge has manufactured couplings for over 100 years, earning a reputation for developing innovative products that lower customers total cost of ownership.
They are electrically insulating and transmit the torque without vibration. Zero backlash and high torsional stiffness make formflex the first choice. It is designed to be flexible, while remaining torsionally strong under high torque loads. Mav sd and rigid couplings mav pdf catalogs technical. These applications typically hav e a capacity range up to 178 knm in a range of configurations including single disc, dou. The coupling shown in the diagram on the right above is suitable for use in cases subject to great radial loads. Shrink discs from ringspann as twopart or threepart design, for highest transmissible torques up to 4225000 nm. Email this page download pdf download pdf printable page. To be used in determining which coupling type or style.
In case of shrink disc connection, transmissible torque varies if shaft hub clearance is different from listed values. Before taking the disc packs off, first install one hub bolt through each disc pack and secure with a locknut. Formflex flexible disc couplings from johnson power in illinois offer high torsional stiffness allowing precise registration for high quality printing lineshaft application. Overview of types and type designation 3 product variants. Bloc shrink disc installation instructions youtube. Jan 27, 2015 disk couplings come in two variations, a single disc and a double disc. In case of shrink disc connection, transmissible torque decreases if bored shafts are used. As a privatelyheld company, we think in the long term and globally.
In some cases, restoring forces are byproducts of the type of coupling being designed as well as other factors such as cost control, torsional stiffness requirements and torquecarrying performance. Disc type couplings steps in selecting torsionally rigid disc. Rlk 603 shrink discs are used to effect frictiontight, noplay. Find out all of the information about the ringfeder power transmission product. Disc coupling replacement coupling corpcoupling corp. Kopflex kd disc couplings metric ahr international. These couplings use the same principle as our flfiximite flexible disc couplings weve been making since 1951, but made of one piece of aluminum for lower cost. Disc couplings are just one design in the full line of motion control couplings manufactured by ruland see back cover. Composite disc couplings high speed disc couplings. The shrink disc is the modern method for creating a mechanical shrink fit. Their primary functions, however, have remained the same.
The shrink disc consists of either one or two thrust rings with tapered bores and a mating tapered inner ring. 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. Falks onepiece discpacks assure simple maintenance and a nobacklash connection. 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. Wsr286 50 43000 nm shrink disc data sheet download. Shrink discs and rigid shaft couplings are well suited to transmit torque, thrust loads and bending moments, separately or simultaneously. Single and double disc styles are available with bore sizes ranging from.
Coupling corporation of america is very familiar with many other coupling designs, including disc coupling replacement. The single flexing coupling is for use in the case where shafts are supported by three bearings. Onepiece flexible disc couplings on renbrandt, inc. Wsr270rf 22 8555 nm shrink disc stainless steel data sheet download. We are top ranked and foremost shrink disc manufacturer that are corrosion resistant and backlash free. View pdf catalogues and other online documentation prices are pretax. This category of couplings covers many different manufacturers, but the common design feature is the flexible element that has holes on a single diameter. Fenner drives bloc keyless bushings provide a high capacity, zerobacklash shafttohub connection by using the simple wedge principle.
Our locking assemblies, shrink discs and keyless rigid couplings offer a zerobacklash component mounting or coupling solution using multiple high strength. Disc couplings view a pdf of this page the series 57 disc couplings with a compact, torque dense design and agma 9 balance outperform the omega or tyre style couplings in many applications at very competitive prices. These disc couplings meet the application needs of the worldwide mechanical power transmission market. Compact double disc shaft couplings are also available. Selection parameters for skf shaft couplings the following table shows typical character istics for various coupling types. The shrink disc is forced out of the hollow shaft of the gear unit by means of the collar on the conical. The highquality original from the world market leader. The 424 poly flex flexible disc coupling is a 4 bolt pattern suiting a range of gearboxes from yanma 434 flexible disc coupling the 434 poly flex flexible disc coupling is a 4 bolt pattern suiting a range of gearboxes from borg. Standard series this is the most popular shrink disc. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. Ringfeder shrink disc will self release and the hub will move freely on the shaft. By using the powerlock, no metal needs to be removed from. Easy removal after loosening the locking screws, the.
This design allows them to be used in confined spaces where other styles of coupling may not be able to fit. As shown in the figure, typically a disc is made up of individual thin plates that are. The flexible disc coupling will be selected for direct connection to the drive plate of the prime mover the engines flywheel. A disc coupling is primarily a high performance motion control shaft coupling designed to transmit torque, whilst accommodating for shaft misalignment. I have 8 air compresor atlas copco with johon deere engine. Ameridrives is a manufacturer of mechanical power transmission products and offers a complete line of coupling products including amerigear gear couplings and mill spindles, ameriflex diaphragm couplings, and universal joints. 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. Made in germany comprehensive technical advice with decades of knowhow tas schafer gmbh a family own company in the 3rd generation. Gear coupling selection procedure table 1 torque and horsepower ratings. Since then, our couplings have been widely accepted in japanese market under the bland name of formflex coupling and have acquired a high reputation. Features high torsional stiffnesshigh torquezero backlash.
Typically, disc couplings can handle speeds up to 10,000 rpm. The illustration and photos show how heat, in conjunction. Shrink disc coupling rfn 4073 series ringfeder power. Page 46 mechanical installation shaftmounted gear unit with shrink disk 5. 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. These applications typically hav e a capacity range up to 178 knm in a range of configurations including single disc. Double disk couplings are also made up of two hubs, but feature an additional spacer sandwiched between two disk springs. Rigid taper lock couplings in 8 sizes up to 10,500nm section 5. Schrumpfscheiben shrink discs wellenkupplungen shaft couplings. Flexible disc couplings can be used in a wide variety of application from general industrial equipment to high speed precision machines. Ringfeder shrink discs are flangeshaped, frictionlocked shafthub connections and the more powerful and reliable alternative to conventional shrink fits, wedge, keyway or polygonal connections. Wsr 400rf410rf 2,7 340 nm rigid shaft coupling stainless steel data sheet download. Replacing traditional shrink fits, keys and polygon connections, splined shafts etc.
If the coupling arrived assembled, the disc packs are still attached to the center ring. Connection with shrink disc all series, flange coupling mav fc2008, sleeve couplings mav sc2008. To connect the servomotor used in nc machine tools with the ball screw, an exceptional usage of the coupling as shown in the. Falk disc couplings transmission products mardustrial. Disc coupling shaft coupling manufacturers hnc coupling.
Close tolerances and registered fits allow falk disc couplings to provide continuous highspeed service with virtually no maintenance. Construction, installation and maintenance of flexible. The couplings consist of two disc packs, two flanges or hubs and one spacer. Shrink discs introduced to the market in 1979, rexnord tollok locking assemblies offer a wide variety of configurations.
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. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Some of the applications in which flexible disc couplings can be used are. Od56mm flange disc coupling, precision diaphragm coupling. Disc coupling design when designing a coupling, a manufacturer takes into account many variables. The flexible disc pack is the basis of all types and is alternately bolted to the flange or hub. Series c732 shrink disc on climax metal products company. Product variants and options overview of types and type designation khf b5 flangemounted helicalbevel gear unit with hollow shaft and shrink disk ka helicalbevel gear unit with hollow shaft kv helicalbevel gear unit with hollow shaft and splining according to standard 5480 kh helicalbevel gear unit with hollow shaft and shrink disk. Flexible disc couplings industrial universal joints. Select and configure custom product configurations through an easytouse interface.
Whether the need is an elastomeric or metallic design, dodge can provide a coupling with the potential. Rm flexible disc coupling rm dimensional data rm coupling selection data based on 1. 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. Purchase shrink disc couplings today bloc fenner drives. Nbk official website specialist coupling manufacturer. Disc couplings can be circular, scalloped or straightsided, depending on the shape of the flexible discs. Couplings for nearly 20 years, our disc, gear, and grid couplings have been providing exceptional performance for the ultimate protection of your machine. They are made in such a way that they present high reliability in working and needs less maintenance for a longer durability. Each disc package can compensate for an angular bend during rotation while remaining highly stiff in the lateral direction as well as in the direction of rotation.
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