Disc spring washer pdf

Mw industries maryland precision spring location is a leader in custom, precision disc springs and belleville washers, having designed and manufactured thousands of custom disc springs for a range of unique applications. Developments such as the internal combustion engine, turbine and jet systems, nuclear power, oil and gas. A disc spring stack can consist of disc springs either used in series or parallel sets. Din 2093 disc spring washer dimensions, specifications, standard, weights, equivalent and download pdf. Industrial springs iis as its sole australasian agent. General helical spring split lock washer information. Handbook for disc springs industrial and bearing supplies. Disc spring, belleville washer disc springs, belleville. Please fill out this form and send it to the rotor clip engineering depart. As a highly progressive load increase occurs at the end of the. If you are looking for a part with more travel and similar loads, you may consider a cloverdome. Metric disc spring washers stock sizes in high carbon or chrome vanadium manufactured for general purpose use. A disc spring is a conical shell which can be loaded along its axis either statically or dynamically.

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 and the minimum life cycle can be determined. Din 2093 disc spring washer specification, offering full range disc spring washer din 2093 standard. A disc spring is a conical shell which can be loaded along its axis either statically or dynamical ly. First of all thank you very much for this useful calculation to understand the concept of disc spring design. This spring rate is usually very high, allowing the spring to produce high spring loads in tight spaces. Either a single spring or a stack of springs can be used. Disc springs sized for standard ball bearings associated. Plain type pre loaded disc springs can be filtered by outside diameter, inner diameter, thickness, reduced thickness as well as othe specifications. A spring stack can consists ot either s ngle spnngs or spring sets, disc springs are availate with or without contact flats.

Foreword the midnineteenth century saw the conception of a conical shaped spring disc. Disc springs for static load we can manufacture disc springs of a simpler design in varying material qualities. The advantage of a disc spring is that it generates high force in a very short spring length and with. Belleville disc spring washers belleville disc springs the american ring mfg standard range of disc springs is intended for exacting applications where long fatiguelife or repeatability of force loaddeflection characteristics is important. A belleville spring, disc spring, belleville washer, conical compression washers are all names for th. These springs are resistant to axial loads, proportionally to the displacement produced in the piece. It is our goal to give you the best buying experience possible, helping you to find the products that will best tailor to each custom application. The story of the disc spring although the disc spring has found a wider. A belleville washer, also known as a coned disc spring, conical spring washer, disc spring, belleville spring or cupped spring washer, is a conical shell which can be loaded along its axis either statically or dynamically. Belleville springs, are discs with a slight cone shape, that deform to a shorter height when subjected to a. Usually the overall height of the disc spring is specified because it is easy to measure and. Disc springs are made of cold rolled strip, hot rolled sheet, or forgings of flat or conical shape. The loaddeflection curve of a single disc spring is not linear.

Disc springs stacking consideration needs to be given to the friction between the parallel disc surfaces. Our spec disc spring washers are ideal for general purpose applications. A belleville spring is a conical shaped disc that will deflect flatten at a given spring rat e. Din 2093 springs are conical washers with elastic properties.

At ratios over 2, the disc springs may invert when taken towards the flat position. Disc springs are conicallyshaped, washer type components designed to be axially loaded. Belleville washers, also called disc springs, conical springs, spring washers, and bolt washers can bear a much larger load relative to its deflection rate than a coiled spring, making them ideal for cushioning heavy loads with short motion. They also absorb ball bearings maintaining axial load recommended by the manufacturer of the bearing. Shaft lock washers are used with lock nut series nan.

These load washers conform to din 6796, edition oct. This section of the spaenaur catalog also includes guides and charts for disc spring load and stress calculations, dynamic loading. Key bellevilles stock metric series provides reduced material thickness on disc springs with turned contact surfaces. An optionally linear, degressive or progressive course of the load deflection curve. Start by entering your desired spring measurements in the yellowhighlighted boxes and then select one of the material options from the dropdown menu in d12.

Highest load in the smallest space effective january 2017 the familiar din standards for disc springs din 2092calculation of disc springs and din 2093quality requirements, dimensions have been withdrawn. This spring disc was subsequently termed a belleville washer after the name of its originator. Disc springs, also known as belleville washers and. Disc springs can be used as single disc or arranged in stacks.

Din 20922093 disc springs are manufactured to close tolerances and are made from high quality spring steel strip and forgings. A belleville washer is a type of spring shaped like a washer. By combining the springs in various ways, it is possible to obtain different forces and characteristics. Din 2093 disc spring washer specification boltsfastener. Aternatively you can download out disc spring pdf stock list below. Tightening torques for original schnorr safety washers. Disc springs act as a compensator of thermal expansions during their working. The introduction of this bearing flat also moves the position of the points of contact, thus reducing the effective radial width of the disc spring and increasing its stiffness. A reasonable allowance is 2 3% of the force for each sliding surface a greater. We produce belleville disc springs, compliant to din. These disc springs are intended for static loads, e. Disc springs are available either with or without contact flats. Both metric and standard sized bearings have matched springs. Misumi offers free cad download, short lead times, competitive pricing, and no minimum order quantity.

Disc springs, belleville washers mubea disc springs. The disc springs are prestressed scragged and the machining and radiusing of the inside and outside diameters remove stress raisers, which could otherwise reduce disc spring. Email this page download pdf download pdf printable page. We specialize in the design, manufacture, and distribution of high quality belleville disc springs servicing customers worldwide. The associated spring raymond bearing matched disc spring line, sometimes referred to as belleville springs, is specifically designed for use with standard sized ball bearings. There are possibilities for mistakes in outni l ni ga disc spring solution, which in e vi tab ly cause faulty design or even failures later on. 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 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. We makes disc springs as per din 2093, the deflection for a given load is predictable and the minimum life cycle can be determined. Special cases of ht the shape of the loaddeflection diagram for a belleville. A permanent set, due to stresses exceeding the elastic limit of the washer material, can result in internal strains and washer failures. Preload disc springs plain type are available with an outside diameter of 9. Metric belleville spring washers metric conical spring.

It is the frustoconical shape that gives the washer its characteristic spring. F c is the design force of the disc spring in the flattened position. They lend their mechanical capabilities to the unique profile of the material. Mubea disc springs product literature is available for download. Disc spring sftaf, din 2093 group 1 and group 2 springs group 3 springs disc springs for static and dynamic load disc springs are particularly suited for use in applications that require a high force but have limited space. Disc springs are conicallyshaped, washertype components designed to be. Design and finite element analysis of h tool steel belleville spring washer. The advantage of a disc spring is that it generates.

Conical disc spring washers will take on a permanent set when over stressed. The loads are normally applied to the upper inner edge and the lower outer edge. True belleville washers do not take on a permanent set on application. Disc springs are conical washers with elastic properties. Excel belleville spring calculatorradigan engineering. 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. Disc springs for bearings areassembled with the ball bearings to act as retention devices. Springs with a thickness of 6mm and over are machined all over and are given latheturned contact surfaces at the inner and outer support edges. They are designed to work in a dynamic way supporting a high number of cycles. These items are manufactured under strict quality control to meet the physical dimensions listed in the following tables pages 105108. Quote form for truwave wave springs as soon as a standard catalogue item cannot be considered for your application, rotor clip can offer custom designed wave springs without expensive tooling costs and with regards to your specification criteria.

Din 2093 dimensions, specifications, standard, weights. Precision disc spring catalog pdf mw industries, inc. Developments such as the internal combustion engine. Belleville washers are designed to preload bolts and are not intended for. This website gives no warranty and accepts no responsibility or liability for the accuracy or the completeness of the information and materials contained in this website. Disc springs and belleville washers are manufactured to din 2093 and din 6796.

Key bellevilles is committed to serving you and your bellevilles needs. Nov 09, 2011 belleville disc springs are critical components. A disc spring sometimes called a belleville washer after the inventor consists primarily of a convex disc supported at the outer periphery by one force and an opposing force on the center of the disc. They are commonly known as disc springs but sometimes they are called belleville washers. The load of the washers have been matched to these bolts and and are 70 to 90% of the bolt load in the flat state. The story of the disc spring although the disc spring has found a wider application during the last few. Disc springs are used singly, or in stacks, to achieve a desired load and travel. These springs are manufactured according to the specifications of din 2093 standard, which establishes all the characteristics these pieces have to meet.

Disc springs are available with or without contact flats. He needed highquality springs for precision tools, with which he had made himself a name, and had come across the disc spring. Springs otter a developed to many engneenng problems through a unique combination ot high force in a small space. Disc springs support a lot of dynamic processes in a skillful, safe and efficient way often under extreme force and load conditions. 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. They have developed tooling for all disc spring varieties mentioned in din 2093 like. Pantone yellow established in 1967, iis specialise in the manufacture of disc springs, belleville washers and coil springs, serrated safety washers, flange washers and bearing washers. Century spring disc springs are subject to exacting manufacturing and quality control. The key is bent in the opposite direction of the tangs. Disc springs and belleville washers are manufactured to din 2093 and din 6m heavy series disc springs aro manufactured trom. The contact surfaces have a width of approximately de150. At belleflex technologies, we provide 247 support to keep your operation running smoothly. Elastic disc springs din 2093 are pieces with a great accuracy. This is a minimum measurement and reflects the bolt size that the washer will accommodate.

Belleville washers series am disc springs a disc spring sometimes called a belleville washer after the inventor consists primarily of a convex disc supported at the outer periphery by one force and an opposing force on the center of the disc. Loaddeflection relationships are closely controlled. Large online inventory with specifically sized prestressed disc springs available. We have the largest selection of metric disc spring washer suited for many industries including aerospace, defense, hardware and many more. As a manufacturer of disc springs and belleville washers, our disc springs are made to meet the highest quality standards in the world. 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. Spring washers, sometimes called disc springs, are a subtype of washers. Design and finite element analysis of h tool steel. Custom dimensions upon request, we also manufacture disc springs in custom sizes using both standard materials and special. Belleville washers and disc springs are critical components. Disc springs are manufactured to din 2093 and designed as per din 2092. Metric disc springs din 2093, or conical disc springs, are similar to belleville springs, but made to.

Metric belleville spring washer a belleville spring is a conically shaped disc that will deflect flatten at a given rate. Handbook for disc springs, which had its origin in the 1930s, is a mirror of schnorrs endeavours. Shaft lock washers belleville spring washers belleville spring washers also known as conical or disc spring washers provide the greatest loadbearing capacity for its size. Disc spring din 2093, disc springs, manufacturers, suppliers. Nov 12, 20 the excel workbook can be used to calculate the loaddeflection curves of any belleville spring. Spaenaur has a large selection of washers to suit any project spaenaur has. These conical springs provide an elastic axial strength proportional to deformation they suffer. Spec metric disc springs din 2093, or conical disc springs, are similar to belleville springs, but made to european din standards. Din 2093 dimensions, specifications, equivalent standards, weights, pdf. Adolf schnorr, who had founded a mecha n ci aw l orkshopni 1 908a, rl eadyb egant o ex pe ri ment with the disc spring in the 1920s. To ensure that disc springs with bearing flats have similar characteristics to the same size disc springs without flats, the nominal thickness is reduced see table below.