With four different insert materials to choose from, several details about the application should be supplied to offer the best coupling fit. Double check the overall dimensions of the coupling to ensure. Mptac5c2010 r2015 common causes of jaw coupling failures. Unsurprising ly, selecting the best coupling for a particular application can be a complicated matter. Lovejoy 11075 size lal 090095 open center type jaw coupling elastomer, urethane, 78 open center, 2. Eagle aluminum gear spider jaw coupling lovejoy type make. This is one of the safest types of products since these types of couplings work even when the elastomer fails and no metal to metal contact is seen in almost all kinds of couplings manufactured by the company. For this purpose the actual loads have to be compared to the permissible param eters of the coupling. Jaw coupling lovejoy pdf catalogs technical documentation. Sep 19, 2012 this video covers the basics of installing a lovejoy gs style backlash free curved jaw coupling.
When ordering a complete coupling you shoud select two half bodies and one element. It also affects the couplings response to vibration, temperature, chemicals, misalignment, and high speed, as well as its ease of installation. We are the leading trader and supplier of an optimum quality range of lovejoy coupling. Hence it functions as a spare spider in every coupling. Coupling rated torque and hp ratings spider materials nbr urethane hytrel torque hp at torque hp at torque hp at coupling inlbs nm 100 rpm inlbs nm 100 rpm inlbs nm 100 rpm l035 3. The load cushions are in sets of 6 to 14 pieces depending on coupling size.
Falk wrapflex elastomer couplingsproduct sheet lovejoy to wrapflex interchange direct interchange to drop down 1 coupling size, check. For a broad overview on lovejoy jaw couplings, please consider reading. Lovejoy coupling or jaw type coupling works for a variety of light duty to heavy duty motors used in electric power transmission. Our provided coupling is widely used in various industries for high torque applications. The rotex coupling is selected in accordance with din 740 part 2.
One piece designs are used in the l and al models referred to as spiders and multiple part load cushions are used in the c and h model couplings. Each hub includes a set screw, which bites into your shaft to hold the coupling in place. Universal star couplings ensures quick and easy installation in reciprocating pumps, generator sets, diesel and gas engines and other such drives, in a way, coupling installation requires no special tools due to simple construction, every other spider arm is an idler and can be advanced to the load carrier jaws. Nov 28, 2018 lovejoy coupling or jaw type coupling works for a variety of light duty to heavy duty motors used in electric power transmission. Every other spider arm is an idler arm and can be advanced to load carrier jaws. Type oldham coupling maximum bore diameter inch 12 minimum bore diameter inch 12 outside diameter decimal inch 1. All lovejoy catalogs and technical brochures catalogs directindustry. Please sign in to your account to see your pricing, which may be different from the price displayed.
Materials available are either sintered iron l035l190 or cast iron l225l276. A jaw coupling is a type of general purpose power transmission coupling that also can be used in motion control servo applications. L100 flexible nbr rubber spider insert fits l100 lovejoy. Lovejoy industrial flexible couplings for sale ebay. Power transmissionshaft couplings, collars, and universal jointsmotion control couplings. These disc packs are bolted onto the disc hubs, which then form the end components of the disc coupling. Jaw coupling spiders jaw coupling hubs and spiders. They exclude delivery charges and customs duties and do not include additional charges for installation or activation.
Lovejoy s standard bore program covers agma, sae, and din bore. L099 and l100 series flexible ljaw coupling spider. Spacer type coupling using spider as a flexible element. Design allows for easy removal of the spider without moving the hubs allows for close shaft separation all the way up to the hubs maximum bore maximum rpm is 1,750 rpm with the retaining ring, but if used with the lc type with collar the normal rpm rating of the coupling applies style is available in nbr and urethane only, and in. Consult lovejoys entire jaw coupling catalogue on directindustry. A coupling can be simply defined as a device that transmits power torque from one shaft to another, while allowing some.
Jaw coupling selection can be found in our master catalog. Supplied and in use around the world, lovejoy s curved jaw couplings can meet your every curved jaw need. While lovejoy jaw couplings are designed to handle a lot of abuse, the jaw coupling elastomeric spider is a wearing element that will eventually need to be replaced. The l type spider table page jw10, and the l type hub table page jw11, provides easy reference to the lovejoy upc numbers. Disc coupling hubs support disc couplings, which join shafts and transmit torque between two shafts in highspeed applications. Since entering the power transmission marketplace in 1927 with its signature jaw coupling, lovejoy has grown into a globally recognized full. Jaw coupling spider materials hold the key to solving customer application challenges customers are confronted with a variety of different challenges regarding selecting jaw couplings inserts. Lovejoy l099l100sox l type coupling spider applied. A complete assembly requires one spider and two hubs, sold separately. Unless stated otherwise, hub torque and horsepower ratings assume a sox. Spiders are key to jaw coupling performance machine design.
Insert for size 099100 jaw coupling, nitrile butadiene rubber. Fail safe will still perform if elastomeric spider fails. You can also choose from flexible lovejoy spider, as well as from standard, nonstandard lovejoy spider, and whether lovejoy spider is steel, aluminium, or stainless steel. 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. Used exclusively for the c and h type couplings spider materialsload cushions are. L type pumps drive lovejoy interchangeable jaw spider couplings 050 to 280 sizes upto 192 mm od 75 mm maximum bore. It is able to compensate for shaft misalignment, for example caused by manufacturing inaccuracies, thermal expansion, etc. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. The coupling has to be dimensioned in a way that the permissible coupling load is not exceeded in any operating condition.
Also known as lovejoy couplings, these threepiece couplings have a spidershaped cushion between two hubs to reduce shock and handle minor shaft misalignment a complete coupling consists of two hubs and one spider, or two hubs, one split spider, and one retaining ring all components. Page 5 of 10 compression is only applied to the spider legs forward of the driving jaws and the trailing legs behind the. Curved jaw coupling spiders are designed to help dampen shock and accommodate small amounts of angular, parallel, and axial misalignment between coupling hubs. Lovejoy 10406 size l070 solid type jaw coupling elastomer spider, soxnbr rubber, 1. Flexible spider shaft coupling technical specification.
As the premier manufacturer of couplings in the world, lovejoy offers the full line of the european standard jaw coupling. The l type lovejoy jaw coupling coupling consists of two standard l type hubs and one spider. Oct 31, 2014 jaw coupling spider materials hold the key to solving customer application challenges customers are confronted with a variety of different challenges regarding selecting jaw couplings inserts. The curved jaw threepiece design incorporates a radial curvature to the jaw face, as well as both radial and axial. Lovejoy standard jaw coupling installation video youtube. We offer a comprehensive range of mechanical power transm rs 188. Lovejoy gs style backlash free curved jaw coupling. This coupling is sourced from our trustworthy market vendors who are wellknown for their qualitative range of products since many years. Page 5 of 10 compression is only applied to the spider legs forward of. Complete lovejoy catalog 520 pages, 47 mb, pdf, updated jan. We carry lovejoy couplings in such a variety that youre sure to find the flexible and shaft couplings you need. L type pumps drive lovejoy interchangeable jaw spider couplings 050 to 280. This video covers the basics of installing a lovejoy gs style backlash free curved jaw coupling. Lovejoy shaft couplings, collars, and universal joints.
L type standard jaw coupling lovejoy a timken company. Interchangeable with lovejoy, martin, browning, tb woods, and other ljaw couplers. Coupler replacement spider adapter coupler replacement spider adapter. With the proper information see torsional worksheet on page t10 lovejoy engineers. The gs series coupling has spiders available in four different shore hardnesses.
Jaw coupling spider materials hold the key to solving customer application challenges, retrieved 20141204. The standard curved jaw spider design has a hole in the center to accommodate small between. Coupling selection guide introduction there is an extensive range of couplings available on the market today. Coupling offers standard shafttoshaft connection for general industrial duty applications standard l type coupling hub materials are either sintered iron l035l190 or cast iron l225l276 lc type uses the standard l type hubs with a snap wrap spider and retaining ring suited for applications over 1,750 rpm al type. Hubs are offered in sintered metal, aluminum, bronze, steel, stainless steel, and ductile iron.
Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. The solid center design is commonly used design when shafts of the driver and driven equipment can be kept separate by a standard gap. Design torque nominal torque x application service factor 700. It also affects the couplings response to vibration, temperature, chemicals, misalignment, and. They perform wellstanding oil, grease, moisture, sand. Coupling star spider technical specification joy love eqvt. Besides jaw couplings, be sure to pick up spider inserts to complete the coupling.
Lovejoy torsional coupling are designed to dampen torsional vibrations and tune, or adjust the systems critical speeds away from the applications operating range. Lovejoy, page 2 motion industries they seem to have a range, including some 64d shore spiders. Make sure that the spider coupling size values are larger than the application values. Disc couplings are made up of a series of thin metal rings, or discs, that attach to one another to form disc packs. Motion control coupling, 1 piece clamp, 38 x 38 bore dia. Lovejoy 10418 size l070 standard jaw coupling hub, sintered. It is designed to transmit torque by connecting two shafts while damping system vibrations and accommodating misalignment, which protects other components from damage. Your proven service leader with reliable delivery since 1972. Lovejoy s standard bore program covers agma, sae, and din borekeyway and spline bore combinations. The torques tkntkmax mentioned refer to the spider. Coupling star spider technical specification joy love eqvt hic manufactured brand.
Jawspider clampstyle couplings drive couplings features most commonly specified coupling type aluminum hubs available with different bore diameters in same coupling polyurethane center spiders available in different durometers for different degrees of shock and vibration reduction failsafe operation electrical. Universal star couplings ensures quick and easy installation in reciprocating pumps, generator sets, diesel and gas engines and other such drives, in a way, coupling installation requires no special tools due to simple construction, every other spider arm is an idler and can be advanced to the load. Lovejoy 61447 size cj 19 curved jaw coupling spider, urethane. Lovejoy offers four types of elastomer designs to allow for additional flexibility in addressing specific application requirements. Coupling star spider technical specification joy love eqvt hic. Aug 14, 2019 consult lovejoys entire jaw coupling catalogue on directindustry. Lovejoy torque rating inlb max bore in wrapflex ortque rating inlb max bore in smaller wrapflex size bore requirement torque requirement lal110 792. Oldham coupler, a form of twojawed jaw coupling where the centre spider is long, allowing the two halves to be displaced radially. For lovejoy couplings used for joining two shafts, look no further than agri supply, which offers more than 26,000 products for farm, shop, home. The lovejoy jaw type coupling is available in a variety of metal hub and insert materials. L090 type couplings is available in stock in our india warehouse.
The standard curved jaw spider design has a hole in the center to accommodate small between shaft end measurements the 80a, 92a, and 9598a shore spiders have a temperature capacity of 212 f the 64d shore spider has a temperature capacity of 230 f. This lovejoy curved jaw coupling spider replaces the spiders on lovejoy curved jaw style flexible spider coupling assemblies and is made of urethane for transferring and absorbing shock load. Once the size has been selected using the torque values, check the table on page 99 to make sure the bore size needed will fit in the coupling. This center element, also known as a spider, absorbs shock and misalignment within the coupling assembly for reduced wear on the shaft assembly. A wide variety of lovejoy spider options are available to you, such as jaw spider.
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