They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. The electric motor rating is 50 hp at the base speed and the system peak torque at the coupling is estimated to be 150,000 lbin. Used for connecting coupling in engine driven applications e. Proceed to the proper coupling section based on the coupling selected. Lasts at least 3x as long as the previous design, saving you valuable downtime opportunity costs and maintenance labor costs provides at least 30% increased torque rating allows for product downsize in 50% of applications creating an average. Coupling torque speed ofbores torsionally torsionally backlash type rangenm capacity mm soft rigid free. They provide an economic solution to many of the coupling. Couplings hrc couplings 275 every effort has been taken to ensure that the data listed in this catalogue is correct. The couplings are certified and confirmed according to ec standard 949ec atex 95 as units of category 2g2d and thus suitable for the use in hazardous areas of zone 1, 2, 21 and 22.
The primary reasons why machinery is misaligned is lack of proper training, improper tools to do the job, and that people are not given enough time to do it right. Lovejoy disc couplings utilize unitized disc packs with both 6 or 8 bolt designs. Lovejoy couplings high performance gear series catalogue. Whether the need is an elastomeric or metallic design, dodge can provide a coupling with the potential. These disc packs are bolted onto the disc hubs, which then form the end components of the disc coupling. Please read through our information included in the respective type examination. The torque is transmitted in a fail safe way, because even in case the elements are worn, the. Flexrigid coupling installation instructions lovejoy. The coupling handbook, a 176page illustrated reference work offered by lovejoy, inc. The coupling handbook ii couplings mechanical engineering.
With the uni coupling you connect pipes the easy way. Moreover the uni coupling can be installed fast and thanks to the wide range, it can eff ortlessly connect diff. Our expertise lies in manufacturing flexible couplings, spacer couplings, fluid couplings, gear couplings, api couplings, pin and bush couplings, disc couplings and tyre couplings. For large, heavy duty applications, skf has large size couplings. Lovejoy buyers guide pdf runright products tensioning devices, motor bases, oscillating mounts, rubber. Popular elastomeric coupling types compression loaded, shear loaded, combination, and torsional go back to handbook index log in powered by vidcaster. Pinflex a robust general purpose pinbuffer coupling, providing reliable fail safe transmission of torque and misalignment capability.
For vertical applications please consult with lovejoy application. A fluid coupling suitable for soft starting high inertia machinery with reduced current demand, controlled acceleration and torque with drive overload protection. Lovejoy s standard bore program covers agma, sae, and din bore keyway and spline bore combinations. Beam coupling selection process for the beam coupling, determine if the coupling should be mounted with set screws or by the splitclamp method. Challenge accepts no liability for any inaccuracies or damage caused. The lovejoy coupling handbook introduction the goal of this handbook is to assist you with the process of sorting out the myriad of coupling styles that exist to select the one best suited to your application.
Horizontal pump motor mounts lovejoy hydraulics horizontal pumpmotor mounts are supplied with a weep hole to drain any pump leakage. The flex rigid couplings are recommended for horizontal applications only. The lovejoy coupling handbook lovejoy a timken company. A flexible coupling is used to connect two axially oriented shafts. Disc coupling hubs support disc couplings, which join shafts and transmit torque between two shafts in highspeed applications.
The jaw type couplings from lovejoy are offered in the industrys largest variety of stock borekeyway combinations. Lovejoys the coupling handbook takes a much deeper dive. Page 4 of 10 jaw coupling failures introduction jaw couplings are the most popular type of flexible coupling in the world. The coupling handbook ii couplings free download as pdf file.
Better than a threaded connection, quicker than a welded connection and safer than a flanged connection. Skf cou plings cover a wide range of coupling types, sizes and capacity ratings for many applica tions and factory environments. Lovejoy has been manufacturing couplings since more importantly, we have the greatest breadth of coupling types offered by any single. Lovejoys standard bore program covers agma, sae, and din bore keyway and spline bore combinations. The nflex jaw couplings are made from cast iron with rubber elements hold in pockets for providing the flexibility and dampening of vibrations and shock loads. Select a coupling for reversing service to connect a gear drive lowspeed shaft to a runout mill table roll. Disc couplings are made up of a series of thin metal rings, or discs, that attach to one another to form disc packs. Coupling preselection guide the s flex coupling from lovejoy offers combinations of flanges and sleeves which can. Consult lovejoy s entire jaw coupling catalogue on directindustry. Each coupling is compared side by side in critical categories such as.
Gear couplings g lovejoy sierbath continuous sleeve series cutout shifter typeccs the cutout coupling is designed to permit quick disengagement between the driver and driven shafts without disassembling the coupling. Sflex endurance overview components elastomer sleeves meet the new epdm sleeve continue to enjoy the sflex benefits, just enjoy them at least 3x longer. Lovejoy torsional coupling catalog tri state bearing. Lovejoy coupling solutions curved jaw cj series design elastomers overview the curved jaw design three piece design that is easy to assemble the curved jaw design incorporates both radial and axial curvature crowning to the elastomer spider hubs are offered in sintered iron, steel, aluminum, cast iron and nodular iron materials three different urethane elastomers available no metal to. Dodge has manufactured couplings for over 100 years, earning a reputation for developing innovative products that lower customers total cost of ownership. Lovejoy couplings can be fitted with overload bushings to protect the disc pack during momentary torsional overloads. Misalignment and endfloat capability the basic principle of lovejoy sierbath c and f type couplings is similar to that of other conventional flexible gear couplings. For safety, a molded osha orange coupling access cover is included with every nema mount. Rathi couplings are one of the best coupling manufacturers in india.
Lovejoy coupling handbook pdf hercuflex gear couplings new. Lovejoy s jaw type couplings are available in 24 sizes from a minimum torque rating of 3. Lovejoy specific preselection guide go to next section part 3. Since then, our couplings have been widely accepted in japanese market under the bland name of formflex coupling and have acquired a high reputation. Rathi nflex couplings are widely used in industrial applications.
Lovejoy hydraulics hydraulic industrial services, inc. Flexible coupling basics a quick primer coupling answers. Lovejoy torsional coupling product overview lf series the unique and highly versatile design of the elastomeric element makes the lf series the most versatile product in lovejoy s line of torsional coupling products. All proceeds from handbook sales will be donated to the lovejoy foundation, which supports educational scholarships. This manual applies to standard nyflex and mite type couplings. Construction, installation and maintenance of flexible couplings. Coupling preselection guide the s flex coupling from lovejoy offers combinations of.
These couplings, which provide optimum contact with the shaft, can accommodate high torque values. No metal to metal contact failsafe will still perform if elastomer fails resistant to oil. Rigid taper lock couplings in 8 sizes up to 10,500nm section 5. The dodge coupling product line can offer a solution to almost any customer need. Lovejoy hydraulics cast aluminum pump motor mounts are cast from a lightweight, high strength aluminum alloy.
The 8 bolt design can transmit greater torque than the 6 bolt design, however, it is not able to accommodate as much angular misalignment. If the maximum offset exceeds the value in table 2, realign the shafts. The lovejoy jaw type coupling is available in a variety of metal hub and insert materials. Hrc, resilient couplings from 30 to 3,150nm, available in taper lock and pilot bore variants jaw couplings from 0. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.