Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. 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. The jaw coupling is a material flexing coupling that transmits torque thru compression of an elastomeric spider insert placed between two intermeshing jaws. 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. Their very simple construction results in extrahigh torque capability and practically unlimited durability. Spider couplings flexible jaw coupling spiders pic design. These couplings are perfectly interchangeable with other german and italian designs of the same type. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Lightweight, heavy duty flexible drive couplings with loadlock design. The ljw is an economic solution that will accommodate axial, radial and angular shaft misalignment. Rigid taper lock couplings in 8 sizes up to 10,500nm section 5. Urethane ls jawinshear split is radially removable meaning that neither hub or driverdriven equipment34 to 93c 2. To be used in determining which coupling type or style.
The hubs are made of a strong, lightweight aluminum alloy. These performance characteristics are shown on the jaw coupling spider pdf. This is a modification of the protected type flange coupling which has pins. Aug 14, 2019 the curved jaw threepiece design incorporates a radial curvature to the jaw face, as well as both radial and axial curvature crowning to the elastomer spider. Machining, fabrication, forging, casting, powdered metal technology and plastic injection molding of power transmission and conveying products. Coupling selection guide introduction there is an extensive range of couplings available on the market today.
These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications. Series our lseries jaw coupling is offered in a large variety of bore and key options, as well as splines. This more conventional straight sided jaw design also exerts component forces in the compressive and radial directions when under load. Design is similar to the design of muff coupling and an additional calculation is required for designing the bolts. They can be fitted both horizontally and vertically. The threepiece design, consisting of curved jaw hubs which are press fit into an. The nominal torque rating is determined by the design and material of insert used in the coupling assembly. Is a true limited end float design a zero backlash design. A coupling can be simply defined as a device that transmits power torque from one shaft to another, while allowing some. Unsurprising ly, selecting the best coupling for a particular application can be a complicated matter. As the premier manufacturer of couplings in the world, lovejoy offers the full line of the european standard jaw coupling. Couplings are mechanical elements that couples two drive elements which enables motion to be transferred from one element to another.
Design of clamp coupling is similar to the design of muff coupling and an additional calculation is required for designing the bolts. The coupling has to be dimensioned in a way that the permissible coupling load is not exceeded in any operating condition. For this purpose the actual loads have to be compared to the permissible param eters of the coupling. The curved jaw threepiece design incorporates a radial curvature to the jaw face, as well as both radial and axial. These couplings are designed for a range of different applications using electrical motors as well as internal combustion engines. Nominal torque inlb hp x 63025 rpm nm 9550 kw x rpm application description design torque nominal torque x application service factor list of charts provided for selection. Magnaloy coupling design feature s magnaloy coupling company 501 commerce drive alpena, mi 49707 989 3562186. Mptac5c2010 r2015 common causes of jaw coupling failures. A protected type flanged coupling is required to transmit 60 kw power at 1440 rpm. Twin shaft coupling a semifloating shaft coupling is combined with a floating shaft coupling to make the twin shaft coupling, which is. Jaw couplings advantages jaw design is considered failsafe if thed allowing t insert element wearsbreaks away, the coupling continues to operate until insert can be conveniently replaced. Introduction bush pin type flange coupling is used to connect of shafts which having a small parallel misalignment, angular misalignment or axial misalignment.
Jaw type couplings are often called spider couplings, by design, they are a relatively balanced coupler and are capable of high speeds. Urethaneurethane has greater torque capability 55d. In this case, the shaft of the coupling is supported with a single bearing, arranged as closely as possible to the outer sprocket or pulley. Jaw couplings are highly customizable due to their threepiece design. Under loaded conditions this jaw design results in the applied forces. The jaw type couplings from lovejoy are offered in the industrys largest variety of stock borekeyway combinations. Nominal torque inlb hp x 63025 rpm nm 9550 kw x rpm application description design torque nominal torque x application service factor list of charts. Every other spider arm is an idler arm and can be advanced to load carrier jaws. Flex element is commonly made of nbr, polyurethane, hytrel or bronze. Flexc group has been promoted by professionals in power transmission industry and is headed by a senior engineering industry professional with global technological experience, the company has its own inhouse strengths to offer complete facilities for couplings design, engineering, machining, assembly, testing and quality assurance and support. Provides a complete range of quality power transmission and material handling equipment for the worlds marketplace. All couplings standard industry interchangable inserts come in buna nbr, hytrel, urethane, and bronze jaw coupling sizes l035 to l225 stocked in inch and metric sizes most bore sizes can be rebored and broached in our machine shop in wi. Ljw flexible straight jaw couplings guardian couplings. L series jawflex coupling elastomer couplings shaft.
Under loaded conditions, the resultant forces applied on the element segments are evenly distributed in the compressive direction only. Shaft sizes of driver and driven equipment and corresponding keyways formulas. This results in no radial forces to multiply the internal heat generation. Design, solidworks, flexible coupling, rubber and brass bushed, single bush. Jul 04, 2012 ruland introduced its zero backlash jaw couplings for machine vision systems that reduce settling time and shock loads, the company says.
The lowestpriced coupling in our range for direct connection to motors with a highly economical design. Whether the need is an elastomeric or metallic design, dodge can provide a coupling with the potential to increase torque capacity, accommodate shaft misalignment, extend life, and put an end to unexpected downtime. Design and analysis of bushed pin flexible coupling. Download rathi coupling s coupling product specifications. The radial component is outward acting to extrude the element and changes. Simple design means easy installation, removal and visual inspection. Mechanicalmetallic coupling differentiating criteria general purpose couplings high performance couplings design types gear, grid, chain, disc and diaphragm gear, disc and diaphragm. Running quality and service life of the coupling are improved by accurate allover machining. The drive lug configuration is tapered so that under load the insert conforms to the tapers, interlocking the 2 hubs. The torques tkntkmax mentioned refer to the spider. To design a bushedpin type flexible coupling for alloy steel shaft transmitting 40 kw at r. L type standard jaw coupling lovejoy a timken company. Drive couplings 3 drive couplings jaw couplings selection a find service factor for application from table right.
Curved jaw couplings are well suited to servo applications where accuracy of torque transmission is required. For a broad overview on lovejoy jaw couplings, please consider reading. Multijaw couplings have interlocking teeth permitting precision couplingdecoupling. Magnaloyproductscatalog northamericasfavoritesourcefor.
The rotex coupling is selected in accordance with din 740 part 2. Jaw coupling ruland zerobacklash jaw couplings and are a threepiece assembly with a balanced design comprised of two hubs and an elastomeric insert called the spider. The lrc coupling provides ease of installation and minimum maintenance with high capacity and moderate angular and parallel shaft misalignment. Both are 100% interchangeable with industrystandard designs. Fail safe design due to the jaw in compression design continues to function after the elastomer fails the cj series covers a torque range of 67 to 247,800 inlbs elastomers four types of spiders are available for the cj series of couplings urethane spiders provide high abrasion resistance and elasticity, along with good damping. 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. Lseries jaw couplings our lseries jaw coupling is o. Hence it functions as a spare spider in every coupling. Over torque in the curved jaw design can also take the form of a squaring of the open center of the spider as illustrated in figure 6. Design of clamp coupling is similar to the design of muff coupling and an additional calculation is.
Cad drawings available for over,000 standard parts in various 2d and 3d formats to fit most systems. This article describes what is a coupling, types of couplings, rigid couplings, flexible couplings, universal couplings, hookes coupling, pin bush coupling, flanged coupling etc. All couplings standard industry interchangable inserts come in buna nbr, hytrel, urethane, and bronze jaw coupling sizes l035 to l225 stocked in inch and metric sizes most bore sizes can. The couplings threepiece design is comprised of two aluminum hubs and an elastomer element called the spider.
Supplied and in use around the world, lovejoys curved jaw couplings can meet your every curved jaw need. Design the coupling with following materials, material for shaft material for shaft as 40c8 syt 380 mpa, material for bolts is 30c8 400 mpa and flanges are madeup of cast iron fg 150 sut 150 mpa. Shaft collar, rigid coupling, flexible coupling cad files. Curved jaw couplings this threepiece curved jaw design was speci. 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.
Unsurprising ly, selecting the best coupling for a particular. Ruland zerobacklash jaw couplings and are a threepiece assembly with a balanced design comprised of two hubs and an elastomeric insert called the spider. To learn more about all of the different types of couplings, visitthe rexnord coupling page. A jaw coupling is a type of general purpose power transmission coupling that also can be used in motion control servo applications. Shaft coupling design material steel 12 shaft coupling for taper clamping bush clamping ring hubs 14 clamping hubs 15 flange programme design afn and bfn 16 dropout center design coupling type ah 17 dropout center design coupling type sh with splithubs 18. The bodies and lugs are precision machined on cnc equipment to assure proper. The the bearing pressure in the rubber bush and allowable shear stress in the pins are to be 0. Users can combine clamp and set screw hubs with inch, metric, keyed, and keyless bores in sizes ranging from 18 to 114 and 3mm to 32mm for a high level of. Construction of formflex couplings design features of 4bolt coupling simple construction ensures good durability formflex double flexing couplings are made of three principal components. The ljw straight jaw coupling is an interchangeable coupling available in steel and cast iron.
Examples of material flexing couplings are jaw, sleeve, tire, disc, grid and diaphragm couplings. The lovejoy jaw type coupling is available in a variety of metal hub and insert materials. Contact pic design today for our custom and stock spider couplings, manufactured inhouse. Hayes jaw couplings this simple, three piece, quality built. Their application is ideal for transmitting torque while damping torsional vibrations and absorbing shocks produced by the uneven. Page 7 of 10 both straight and curved jaw couplings have nominal torque ratings. Browse and sort every ruland jaw coupling combination. Selection parameters for skf shaft couplings the following table shows typical character istics for various coupling types. These jaw couplings are perfectly interchangeable with other german and italian designs of the same type. Hubs are offered in sintered metal, aluminum, bronze, steel, stainless steel, and ductile iron.
Construction, installation and maintenance of flexible. Flexible coupling, standard star coupling, manufacturer. Tb woods jaw couplings are designed to meet highquality standards while remaining affordable. Jaw type coupling selection process jw selection process information necessary before a coupling can be selected. Common applications for curved jaw lovejoyy couplings include connecting power sources to pumps, gear boxes, compressors, blowers and fans, mixers, conveyors and generator sets. Doc design and fabrication ofoldham coupling yogi v. It is designed to transmit torque by connecting two shafts while damping system vibrations and accommodating misalignment, which protects other components from damage. It features three material types on the spiders which include bunan, urethane, and hytrel.