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Fasteners for the wind energy sector: aero generators and wind turbines

A wind farm is a group of structures designed to generate electricity using wind power. These structures are called aero generators—the most common being wind turbines—and they are built using products that meet the highest quality standards in order to maximise their useful life and optimise performance.

At CHAVESBAO, we offer a wide selection of standardised fasteners specifically intended for manufacturing aero generator components and other products for the wind energy sector.

Standardised fasteners for aero generators and wind turbines

The use of standardised bolts helps to guarantee the quality and safety of components used in the wind energy sector. In our catalogue, you will find a range of fasteners whose design and composition comply with various DIN standards:

  • Hexagon head bolts: Hexagon head bolts for the manufacture of aero generators are produced according to standards DIN 931 and DIN 933. DIN 931 bolts have a hexagonal head and a cylindrical body with a half thread. DIN 931 bolts are available in grades 8.8 and 10.9. DIN 933 hexagon head bolts also have a hexagonal head but, unlike DIN 931 bolts, the body is completely threaded.
  • Hexagon nuts: Hexagon nuts for the manufacture of aero generators and wind turbines are produced according to DIN 934. This is the most common type of nut on the market and, in our catalogue, you will find a wide range of grade 8 and grade 10 products—with different strength ratings—depending on the type of component to be manufactured.
  • Flat washers: Our flat washers are produced according to standards DIN 125 and DIN 9021. DIN 125 flat washers are used in a wide range of applications. DIN 9021 washers, on the other hand, are wider, providing a greater surface area for load distribution.

En CHAVESBAO disponemos de una amplia selección de tornillería estandarizada para la fabricación de componentes de aerogeneradores o cualquier otro elemento del sector eólico.

Tornillería estandarizada para aerogeneradores y turbinas eólicas

El uso de tornillos estandarizados garantiza la calidad y seguridad de los productos empleados en la fabricación de los componentes dentro del sector eólico. En nuestro catálogo encontrarás una gama de tornillería que se ajusta a las diferentes Normas DIN que hacen referencia a la composición y estructura de cada uno de los productos:

Tornillos hexagonales

Los tornillos hexagonales aptos para la fabricación de aerogeneradores están fabricados según las Normas DIN 931 y DIN 933 que aplican a su estructura. En el primer caso se componen de cabeza hexagonal y cuerpo cilíndrico con media rosca. Además, los tornillos DIN 931 están disponibles en calidad 8.8 y 10.9. Los tornillos hexagonales DIN 933 incluyen también cabeza hexagonal, pero, a diferencia de los primeros, en estos el cuerpo está totalmente roscado.

Tuercas hexagonales

Las tuercas hexagonales para la fabricación de aerogeneradores y turbinas eólicas se ajustan a la Norma DIN 934 que hace referencia a la composición y estructura de las mismas. Este tipo de tuercas son las más comunes en el mercado y en nuestro catálogo podrás encontrar una amplia selección de productos en calidad 8 y calidad 10 -con diferentes grados de resistencia- que se adaptan según el tipo de componente a fabricar.

Arandelas planas

Las arandelas planas se ajustan a las Normas DIN 125 y DIN 9021. Las arandelas planas DIN 125 se utilizan comúnmente en una amplia variedad de aplicaciones. Sin embargo, las arandelas DIN 9021 son más anchas que las anteriores proporcionando una mayor superficie para la distribución de la carga.

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PRODUCTS

Hexagonal screws

DIN 933 A4

ISO 4017
Hexagonal nuts

DIN 934 A4

ISO 4032
Hexagonal screws

DIN 931 8.8 BL

ISO 4014
Hexagonal screws

DIN 931 10.9 BL

ISO 4014
Hexagonal screws

DIN 933 8.8 BL

ISO 4017
Hexagonal screws

DIN 933 10.9 BL

ISO 4017
Hexagonal nuts

DIN 934.8 BL

ISO 4032
Hexagonal nuts

DIN 934.10 BL

ISO 4032
Plain washers

DIN 125 A HV200

ISO 7089
Plain washers

DIN 125 A HV140
Plain washers

DIN 9021

ISO 7093
Hexagonal screws

DIN 931 A4

ISO 4014

Bespoke services for the wind energy sector

The wind energy sector and wind turbine manufacturers require the highest-quality components to ensure optimum performance. In addition to the above products, CHAVESBAO goes a step further, offering:

Made-to-drawing
fasteners

Bespoke solutions to satisfy your technical requirements for the manufacture of aero generator components. In addition, our quality control procedures throughout the manufacturing process guarantee high-precision, reliable parts.

Special
coatings

Additional service to protect fasteners and improve performance. We offer zinc flake coatings for wind energy projects, adding improved corrosion resistance and reducing the risk of hydrogen embrittlement.

Do you need more information?

CHAVES BILBAO, S.L. informs you that the personal data provided voluntarily on this website, the purpose, intended transfers and other circumstances of which are communicated when the personal data is collected, may, depending on the specific case, have any of the following purposes: responding to your request, complaint or question, maintaining the established relationship, the comprehensive and commercial management of customers, accounting and invoicing or sending of communications of news and activities related with CHAVES BILBAO, S.L., including by electronic means. The data included in our files is absolutely confidential and will be processed with the utmost confidentiality and in compliance with all the requirements set out in the General Data Protection Regulation (GDPR) of the 27th of April 2016. The data is registered in our files for the time necessary for the purpose for which it was collected. The period during which the personal data will be kept will be that established by current legislation and always during the period of the provision of the service for which it was provided. We do not recommend sending personal data that is classified as highly confidential by data protection legislation, such as that related to health, as it is not sent coded or encrypted. Therefore, if you send this type of data, it will be at your own risk. The user may at any time exercise their rights to access, rectify, oppose, cancel, limit processing or request its portability in accordance with the General Data Protection Regulation (GDPR) of the 27th of April 2016, sending a letter along with a photocopy of their DNI identity document, to CHAVES BILBAO, S.L. C/Bizkargi, 6 Polígono Industrial Sarrikola 48195 Larrabetzu - Bizkaia - Spain, or using the email address info@chavesbao.com.
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