Product Announcement from MW Industries


Disc Spring-Image

Disc Springs, also known as Belleville Washers and Belleville Springs, are discs with a slight cone shape, that deform to a shorter height when subjected to a load along their axis of symmetry. This elastic deformation characterizes the spring action.

MW Industries’ disc spring fabrication is subject to exacting  manufacturing and quality control standards. Materials used are generally in the annealed condition and hardened to within a range of Rc 44-51 depending on the material thickness. When required, disc springs are preset so that they will not significantly relax under load over time.

Disc springs can be a good design solution where the load required is high and the space available is limited. They can be tailored to provide loading profiles that are not feasible with coiled springs. Disc springs are used singly or in stacks to achieve a desired load and travel. Our disc springs are commonly used in high temperature/extreme pressure applications, pipe flange applications, bolted joint applications, heavy and light bolting applications, dynamic applications and bearing preloaded washer applications.

 

MWI Disc Springs

MWI offers an extensive listing of catalog parts that have been designed to perform in specific situations. Our catalog disc spring series include:

• Composite Disc Springs alternative to steel elements as they are up to 70% lighter weight, non-corrosive, and non-magnetic

• CDM Disc Springs precision steel Belleville disc springs designed for dynamic loading

• CDS Disc Springs steel Belleville disc springs for light bolted assemblies, sized for standard bolt sizes

• Serrated Disc Springs serrated element ideal for use with most any screw or bolt

• Contact Disc Springs for improved bolt connection applications, compensates for developed looseness, loss of bolt tension due to applied surface deterioration, or movement due to thermal changes

 

Curved Disc Springs cylindrical curve is well-suited for applications requiring flexibility, light loads, and repeated cycles through a range of motion

• Wave Disc Springs efficient for obtaining the required load when the load is static, the working range is small, and the allowable amount of axial space is limited

• SP Series Disc Springs for heavy bolted applications with a need to overcome thermal expansion and contraction, and stainless steel options for corrosion resistance

• FL & MFL Series Flange Disc Springs elastic mechanical elements designed primarily for pipe flange applications

• NDS Series Flange Disc Springs maintain tension and pressure around a flange especially under thermal variations or mechanical shock

• Springs for Ball Bearings especially designed for preloading springs used with radial ball bearings

• Slotted Disc Springs slotted elements reduce the spring load and increase deflection

• Finger Disc Springs counteract noise, excess wear, end play, and vibration especially at high speeds

• Custom Disc Springs contact us if you need something and do not see it in the catalog

Materials

Century Spring stocks Belleville disc springs made fromC1075 high carbon steel or C6150 Alloy steel. These disc springs can be finished with a variety of different platings to provide additional corrosion resistance. Stainless steel springs are also available for environments where corrosion resistance is critical. Inconel™ or H13 alloy springs can be provided for high temperature applications. Other materialsare available for special applications.

 
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