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Spring Washers Manufacturers

Heatfastener carries a wide variety of flat washers. we can supply the washers you are looking for. If you are looking for a washer that is not off the shelf, we can make washers specifically to the dimensions, material, and plating that you need. Our custom runs can be as low as 100 pieces all the way to hundreds of thousands. We can supply washers as small as 0.062 inside diameter all the way to 12”.  If you are looking for a thin washer (0.002” thick) to a thicker washer, 1/2” thick, we can supply it. We can also supply the plating you need, from common zinc, and zinc/yellow to Magni coatings. Heatfastener can do special washers in many materials, from steel, to harden steel, brass, plastic, various grades of stainless steel, exotic materials such as Inconel, silicon bronze, and many more.

A Heatfastener Specialty Manufacturing tem vindo a trabalhar com fabricantes de equipamento original há mais de 100 anos, fornecendo um serviço ao cliente excelente e atempado. A nossa equipa de profissionais altamente qualificados utiliza apenas a mais recente tecnologia e métodos de processamento para fabricar todas as nossas anilhas planas. Monitorizamos cuidadosamente cada anilha para nos certificarmos de que é fabricada com precisão. Ficará satisfeito com os resultados finais.

spring washer

Spring Washer Specification

A spring washer, on the other hand, is a type of washer that featured a curved shape. Unlike plain washers, they aren’t flat. Spring washers are curved. They can curve in different ways, but all spring washers feature a curved shape that prevents them from resting flush against a surface without the presence of a load.

Spring washers allow for the distribution of faster’s load as well, but they are particularly useful for applications involving vibrations. Vibrations can cause fasteners to loosen. If a fastener is driven into a machine or object that vibrates, it may loosen to the point where it comes out. Spring washers prevent this from happening. They provide an axial load that will secure the fastener in the object.

ss washers
spring washer

Types Of Spring Washers

Spring washers are disks of metal that are formed in an irregular shape so that when the washer is loaded it deflects, acts like a spring, and provides a preload between two surfaces. Spring washer types include adjustable spacers, Belleville washers, bowed or curved washers, conical washers, finger washers, and wave washers. Spring washers are typically used in applications where assemblies need a part to take up play, eliminate rattle, maintain assembly tension, compensate for expansion or contraction in materials after assembly, or to absorb intermittent shock loads and provide a controlled reaction under dynamic loads.

A Belleville Washer, also known as a Conical Spring Washer, Disc Spring Washer, Belleville Spring Washer or Cupped Spring Washer, is a type of spring that is shaped like a washer. Its shape gives the washer a spring characteristic. The benefits of Belleville washers include a long service lie, no setting or fatigue under normal loads and stresses, low creep tendency, high load capacity, efficient use of space, and high spring forces with low spring height. Belleville washers can be stacked to modify the spring constant or the amount of deflection to better meet a variety of application needs. Belleville washers are available in spring steel, stainless steel, and 410 stainless steel.

Wave washers, characterized by their undulating form, are specifically designed to provide a compensating spring force and sustain a load or absorb shock.

Applications for Spring Washers

A Spring washer also known as a helical spring is specifically designed to provide a compensation spring force and sustain a load or absorb a shock a spring washer is used to prevent components from loosening. The spring washer Provide hardened bearing surfaces to create more uniform torque control and provide more uniform load distribution through controlled radii section cutoff. Provide protection against looseness resulting from vibration and corrosion

Where are spring washers used?

  • Mechanical Engineering
  • Wind Energy Technology
  • Automotive industry
  • Agriculture and Forestry
  • RailwayHousehold appliances such as air handlers and clothes washers
Black spring washer

Spring Washer Sizes Chart

spring washer
For thread diameter M2M2.5M3M3.5M4M5M6M7M8M10
dmin=nominal size (H14)2.22.73.23.74.35.36.47.48.410.5
máximo2.452.953.544.65.66.767.768.7610.93
dcmax=nominal size (h14)567891114171823
min4.75.76.647.648.6410.5713.5716.5717.5722.48
h ①0.40.50.60.811.21.51.7522.5
Hmáximo0.60.720.851.061.31.5522.32.63.2
min0.50.610.720.921.121.351.722.242.8
spring washer
For thread diameter M12M14M16M18M20M22M24M27M30
dmin=nominal size (H14)131517192123252831
máximo13.4315.4317.4319.5221.5223.5225.5228.5231.62
dcmax=nominal size (h14)293539424549566070
min28.4834.3838.3841.3844.3848.3855.2659.2669.26
h ①33.544.555.566.57
Hmáximo3.954.655.255.86.47.057.758.359.2
min3.434.044.585.085.66.156.777.38
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Perguntas mais frequentes

Anilhas de pressão, que têm flexibilidade axial e são utilizadas para evitar a fixação ou o afrouxamento devido a vibrações. Anilhas de bloqueio, que impedem o aperto ou o desaperto, impedindo a rotação do dispositivo de fixação; as anilhas de bloqueio são geralmente também anilhas de pressão.

As anilhas são nem sempre necessário mas é prática comum utilizá-las na mesma. Como é que as anilhas de pressão funcionam? As anilhas de pressão adicionam tensão a um conjunto de fixadores e são utilizadas para absorver um choque ou vibrações.

The difference lies in their shape. Plain washers are flat, whereas spring washers are curved. For most applications, plain washers are typically used. For machines and objects that vibrate, spring washers are recommended

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