Disc springs can be used as single disc or arranged in stacks. Disc spring din 2093, disc springs, manufacturers, suppliers. Disc springs are available with or without contact flats. By combining the springs in various ways, it is possible to obtain different forces and characteristics. Disc springs market by covid19 impact analysis, growth. Large loads can be delivered through a short movement or small space. Space saving high spring forces with small deflection. For one of many possible applications, schnorr disc springs are ideal for small spaces where high spring. Ball bearings run smoothly and noise free when preloaded with our original schnorr k disc springs. Infinitely variable spring characteristics can be achieved by the arrangement of disc springs into stacked columns. Disc springs, belleville washers mubea disc springs. Disc springs market growth, industry insights and key. Discover all cad files of the belleville spring washers category from suppliercertified catalogs solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats.
Infinitely variable spring characteristics can be achieved by. As a pioneer of the disc spring application adolf schnorr founded the familyowned company in 1908. Schnorr disk spring k notched springs schnorr free. 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. 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. Caution the offer 1 user is reserved for a single user, any broadcast even within his company is prohibited. A disc spring is a conical shell which can be loaded along its axis either statically or dynamically. 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.
This chromiummolybdenumvanadium steel according to din en that can be quenched and tempered has proved very well for the use of heatresistant disc springs. This standard compiles all requirements disc springs shall meet so their function is assured. Disc springs are conicallyshaped, washertype components designed to be axially loaded. The disc springs market report 5 years forecast 20202025 focuses on major leading industry players, providing info like disc springs market competitive situation, product scope, market overview, opportunities, driving force and market risks. Schnorr disc springs mechanical engineering engineering. Thus, adolf schnorr is considered as the pioneer of the disc spring. This research report comes up with the size of the global disc springs market for the base year 2019 and the forecast between 2019 and 2025. Disc springs act as a compensator of thermal expansions during their working.
With the demand to develop and manufacture perfectly fitting solutions for various applications, schnorr, offer an extensive standard range of disc springs. Discover all cad files of the schnorr category from suppliercertified catalogs solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. Schnorr free cad models original schnorr disc springs. Make a request and we will contact the manufacturer. Schnorr, 2003, handbook for disc springs, schnorr corporation. This period has been marked by extraordinary technical developments and disc springs have found many new and important applications due to their special characteristics and advantages. Schnorr has now manufactured disc springs for over 60 years. Precision disc spring catalog pdf mw industries, inc. Custom special springs, service parts, spec stock springs, spec stock washers, schnorr disc springs, stripping spring units, unikix spring pins, century springs, lee springs. Search lee spring s inventory of belleville washers by part number or by specifications. Market value has been estimated considering the application and regional segments, market share, and size, while the forecast for each product type and application segment has been provided for the global and local markets. Typical disc spring application 40 disc springs 4147.
The 1942 issue, 60 years ago, already contained characteristic diagrams for 21 standard springs. Used for safety and load washers according to din 6796. A disc spring, also known as a belleville spring or spring washer is a conical shell which can be loaded along its axis either statically or dynamically. Looking back, the development of the schnorr handbook for disc springs, which had its origin in the 1930s, is a mirror of schnorr s endeavours. Disc springs, in excess of 6mm thickness, have larger diametral clearances. Belleville washers engineering data belleville washer stacking example. 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. 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. Schnorr disc springs support a lot of disc springs dynamic processes in a skillful, safe and efficient way often under extreme force and load conditions. The large dimensional range in which disc springs are made requires very different production methods. Disc springs are manufactured to din 2093 and designed as. An optionally linear, degressive or progres sive course of the load deflection curve. Depending on the purpose for which they are used one or more disc springs may be specified.
In order to meet customer requirements, schnorr has con stant ly. Disc springs are conical shaped washers, designed to be loaded in the axial direction f only. Profile the top manufacturers of disc springs, with sales, revenue and global market share of disc springs are analyzed emphatically by landscape. China spatula steel china spring steel plate china is spring steel. The junker test clearly shows a superior locking performance of the original schnorr safety washers in term of number of cycles lasted. Disc springs are also used in internal combustion engines, turbine and jet systems, nuclear power components, for mechanical power transmission, and in aerospace applications.
To calculate the spring response of a stack of disc belleville springs calculation description this sheet calculates the spring response for a disc spring stack with no contact flats using equations from disc spring manufacturers handbook the equations used in this calculation give approximate values for the spring force and stress. Disc springs support a lot of dynamic processes in a skillful, safe and efficient way often under extreme force and load conditions. The belleville springs also known as belleville washers are designed as per american standards for static or dynamic aplications where high spring loads are required. Key bellevilles stock metric series provides reduced material thickness on disc springs with turned contact surfaces. Home about us products literature product by industry news contact.
Loaddefelection curve of straight, progressive or regressive character, according to the design requirements. The introduction of this bearing flat also moves the position of the. 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. This standard has been prepared by the springs standards committee af at din, the german institute for standardization e. Normally this stainless steel is processed in forged form for disk thicknesses of more than 6 mm.
In all other cases please give application details schnorr k disc springs. Original schnorr bearing preload springs type k, nonslotted. Browse by imperial or metric units for your convenience. They can be statically loaded, either continuously or intermittently, or cyclically deflected i. Our stock range includes disc springs to din 2093 and din 6796 specifications, bearing preload disc springs, medium and light duty serrated safety. Din 20922093 disc springs are manufactured to close tolerances and are made from high quality spring steel strip and forgings. This chromiumvanadium alloyed stainless steel is used in rolled condition according to din 1024 or acc. The catalog reflects 800 of our 10,000 finished belleville disc springs in stock. In conventional disc springs, alloy spring steels have been the materials of choice.
To minimise the possibility of bearing point misalignment when disc springs are stacked in series i. 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. The contact surfaces have a width of approximately de150. Schnorr disc springs can be used singly or combined. Disc springs always need a guide element to prevent lateral movement.
Schnorr disc springs k schnorr disk spring k notched springs 3d cad models. 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 fatigue life. Schnorr disk spring k notched springs schnorr free 3d. Schnorr disk springs engineering tolerance fatigue material. They also absorb ball bearings maintaining axial load recommended by the manufacturer of the bearing. 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 the guide elements and abutments should be hardened if possible to a minimum of 60 hrc minimum case depth of 0. Disc springs with contact flats and reduced thickness. Handbook for disc springs, which had its origin in the 1930s, is a mirror of schnorrs. The objectives of this study are to define, segment, and project the size of the disc springs market based on company, product type, application and key regions.
Performance considerations a similar device is a wave washer. Prediction of loaddisplacement of th e disc spring with the. The disc springs are prestressed scragged and the machining and radiusing of the inside and outside diameters remove stress raisers, which. Schnorr disc springs at producto diemakers supplies. Compared to standard oil springs, the disc spring has a number of advantageous properties.
The original schnorr disc springs today din 2093 divides three manufacturing methods depending on the relevant thickness. Belleville spring washers these springs are conical spring washers that are able to achieve high loads with a very small deflection. A disc spring stack can consist of disc springs either used in series or parallel sets. How to order k disc springs when ordering k disc springs to preload the outer ring of the bearing it is suf.