Either a single spring or a stack of springs can be used. Belleville spring washers flange washers coned disc springs. It is the frusto conical shape that gives the washer its characteristic spring. Belleville spring washers associated spring raymond. Provides the design and strength check calculation of belleville springs. In many cases belleville springs are used to replace coil springs where space is limited, a higher force is required, or the size of the system needs to be reduced. A wide variety of belleville spring washer options are available to you, such as gb. Belleville spring component generator search autodesk.
Panjiva uses over 30 international data sources to help you find qualified vendors of belleville spring. The original inventor is not known, but more than years ago on 26. Search lee springs inventory of belleville washers by part number or by specifications. Belleville disc springs and spring washers belleville. There are 549 suppliers who sells belleville spring washer on, mainly located in asia. The belleville name comes from the inventor julien belleville who in dunkerque, france, in 1867 patented a spring design which already contained the principle of the disc spring. Belleville spring washer, coned disc spring, and conical spring washer are all names for a type of spring that is a conically shaped disc that deflects flattens at a given rate.
Disc springs and belleville washers are manufactured to din 2093 and din 6m heavy series disc springs aro manufactured trom forgings. These springs provide high load capabilities in limited space, and through variations in stacking they can be adjusted to provide either larger deflections or. Catalogs and schedules lindenwood universitybelleville. Iis manufacturers, suppliers of disc spring, disc springs, din 2093, din 6796, din 2095, belleville washer, call. Complete engineering and manufacturing support for custom belleville disc springs from concept to finished product. Belleville washers are typically used as springs where the spring action is used to apply a preload or flexible quality to a bolted joint. Din 20922093 disc springs are manufactured to close tolerances and are made from high quality spring steel strip and forgings. A spring stack can consists ot either s ngle spnngs or spring sets, disc springs are availate with or without contact flats. Belleville washers offer a high load in a small package. This spring disc was subsequently termed a belleville washer after the name of its originator. A belleville spring or washer is formed into a conical or cone shaped geometry. The guide can be on the outside d e or the inside d i of the springs, but inside guidance on a bolt or shaft is preferred to the outside guidance in a sleeve, because it offers design and economic advantages. Fastenal uses cookies to improve website user experience. Developments such as the internal combustion engine, turbine and jet systems, nuclear power, oil and gas.
Din 2093 belleville disc springs solon belleville springs and solon disc springs are used to maintain bolt preload which keeps your bolted joints tight. Foreword the midnineteenth century saw the conception of a conical shaped spring disc. The belleville name comes from the inventor julien belleville who in dunkerque, france, in 1867 patented a spring design which already contained the principle of. Hs abrasion resistance and excellent shock resistance is well suited for structural applications where retained strength at elevated temperatures is required. Disc springs always need a guide element to prevent lateral movement. Traditionally,the crown height to thickness ratio is considerably greater for commercial disc springs.
Public data request burnsville, mn official website. Belleville disc springs gardner spring tulsa oklahoma. The electrical or pneumatic actuator compresses the springs to actuate the valve. With a small deflection range belleville washers provide a very high load capacity often used to solve spring problems of high loads, limited space and small deflections. If you would like to prevent our website from using cookies or remove existing ones, you will need to adjust the cookies settings in your browser. These washers have had all set removed during the manufacturing process. Tightening torques for original schnorr safety washers. The story of the disc spring although the disc spring has found a wider application during the last few decades, it is still an old established machine component. When the controller releases power or pressure, the force stored in the spring returns the actuator to its start position, allowing for simpler and less expensive controlactuator systems. A spring stack can con sist of either single springs or parallel spring sets. Performance considerations a similar device is a wave washer. Belleville spring definition, a spring having the form of a washer or dished disk with an open center, used for cushioning heavy loads with short motion. Belleville washers, also called disc springs, conical springs, and bolt washers are ideal for cushioning heavy loads with short motion. Belleville spring washers also known as belleville disc springs were invented by julienfrancoise belleville, who was awarded a patent in 1861 for a spring designed like a coneshaped ring, capable of absorbing large axial forces with relatively small spring travel.
Precision disc spring catalog pdf mw industries, inc. Handbook for disc springs industrial and bearing supplies. In a belleville washer, the ratio of material thickness to rim width is held to about one in five. Conical spring washers have a high spring rate, resolve thermal expansion and can produce extremely high loads in a small area. If a washer is used, it is placed under the outside diameter of the spring. Belleville disc springs conical disc springs are ideal for applications where a large load is required in a small space. Browse by imperial or metric units for your convenience. Belleville spring washers are commonly used to maintain the tension in assemblies when there are conditions of thermal expansion and contraction. Belleville spring washers disc springs mubea disc springs. They are used where vibration, differential thermal expansion, and bolt creep are problematic. What makes disc springs unique is that based on the standardized calculations of din en 16984 formerly din 2092, the deflection for a given load is predictable. They are particularly useful where vibration, differential thermal expansion, relaxation, and bolt creep are problematic.
So, a 2312 stack or, since addition is commutative, a 3221 stack gives a spring constant of 37 that of a single washer. But even before exploring the design and selection considerations, it is important to understand the belleville spring itself, which is also known as a belleville washer, conical washer, disc spring, coneddisc spring and other terms. That spring was actually a conical shell which could be loaded along its axis either statically or dynamically with the possibility to use not only a single spring but also a stack of springs. We specialize in the design, manufacture, and distribution of high quality belleville disc springs servicing customers worldwide. Belleflex technologies has years of metallurgical experience, 247 engineering support, and routinely manufactures in a size range of 0. Belleville international belleville spring materials. Disc spring din 2093, disc springs, manufacturers, suppliers. Solon manufactures a wide variety of springs and washer sizes that meet different tolerance requirements. Mubea has proudly manufactured belleville springs in our daaden, germany. Crown height actually should not exceed 40% of material thickness. Belleville spring washers are designed to support relatively high loads with relatively small deflection. This rate is usually very high relative to a coil spring, which makes a belleville an excellent candidate where large loads must be delivered through a short movement. Belleville springs are used in a variety of applications where high spring loads are required.
We do not use cookies for the processing, collection, or storage of personal data under any circumstances. The top countries of suppliers are china, india, and taiwan, china, from which the percentage of belleville spring washer supply is 97%, 1%, and 1% respectively. Belleville international manufactures belleville disc springs and spring washers. With questions contact the city clerks office at 9528954490. A belleville washer, also known as a coneddisc spring, conical spring washer, disc spring. A single belleville washer has a specific load for a given deflection. For forty years, mps has been serving a range of industries including aerospace, transportation, machining, and construction. Material spring steel commercial 1074 certified to astma684. Belleville spring manufacturers suppliers of belleville.
Belleville spring washer equation and calculator engineers edge. For actual tolerances for a specific part, contact us. Sometimes, a small washer is used to help further balance the load, although the belleville spring is usually strong enough on its own. Disc spring, belleville washer disc springs, belleville. A new calculation method for belleville disc springs with. Flat load for sds springs refer to din specification for tolerances. The slight or aggressive conical shape gives the washer a spring characteristic and action. View all attractions near burnsville center on tripadvisor. Bate part steel 920502 92g503zo sin 30 past 920 soc 30 920s0730 9205 30 bolt size mm 2. Burnsville center 2020 all you need to know before you go. When loaded to flat,their yield point may be exceeded. These springs are used in applications where high spring loads are required in tight spaces. Belleville spring washers b e l l e v i l l e s p r i n g w a s h e r s 226 call.
Belleville washers, also called belleville spring washers, conical spring washers and spherical spring washers, have a truncated spherical form. For special cases, our new generation ii disc springs can be used to reduce the overall size or number of springs required in the spring stack. Belleville springs has been trading in the spring industry for over 40 years and is a leading uk manufacturer and stockist of disc springs and belleville washers who export their products worldwide. Belleville washers are a unique type of compression spring. Precision spring, a mwi location, is a leading manufacturer. Belleville washers provide a very high spring force for short movement and have a high energy storage capacity. These springs are used for carrying great loads while having a small deflection. It is a washer with a conical shape that produces spring characteristics when loaded axially. Belleville spring washers are especially suited for applications requiring high loads in small spaces. In the simplest of applications, belleville springs may be placed convex side out between a bolt and the surface they are attaching to. Belleville washers din 6796 belleville disc springs. A belleville washer is a type of spring shaped like a washer. Belleville washers engineering data belleville washer stacking example. Commercial disc springs are not held to the specific o.
Spec belleville washers, or belleville springs, are disc springs aligned with imperial units. A belleville spring is a conical shaped disc that will deflect flatten at a given spring rat e when subjected to an axial load fp figure 1. Our stock range includes disc springs to din 2093 and din 6796 specifications, bearing preload disc springs, medium and light duty serrated safety. If you are seeking a disc spring driven by metric or din consider associated spring raymond din 2093 disc springs. The merging of national disc spring brand and rolex. For loaddeflection tolerance information for other parts, please contact. Disc springs are available either with or without contact flats. The total spring coefficient for this group of belleville washers is calculated as below. By combining them in varying sequences, each size gives numerous loadcarrying possibilities. Belleville international is dedicated to providing quality belleville disc springs and washers for a variety of industries. These springs are part of a family of components known as compression springs, which includes the more traditional coil springs.
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