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Body in White (BIW) fasteners for Electric Vehicles

With the design of the Body in White (BIW) of Electric Vehicles (EVs) demanding even greater performance from fasteners than internal combustion engine (ICE) vehicles, partnering with an experienced and innovative automotive fastener manufacturer has never been more important.

The goals of EV designers to create a BIW which has high tensile strength, as well as high stiffness in respect of bending, torsional, static, and dynamic strength, while at the same time being lightweight and corrosion resistant, can be realised using EJOT fasteners.

All without compromising the need for easy assembly and disassembly, and ultimately delivering an EV which guarantees passenger safety.

EJOT has been at the forefront of fastening systems for the automotive industry for decades, with our solutions helping to facilitate manufacturers’ shift to hybrids and first generation EVs. Our innovative approaches to joining lightweight materials have been key to vehicle weight reduction objectives for decades, which initially helped manufacturers to deliver significantly better fuel efficiency in ICE vehicles.

The ‘build lighter, build stronger’ goals of manufacturers are even more important for the BIWs of EVs given the overall vehicle weight gain that the batteries are likely to add, which is driving increased use of new forms of steel rather than aluminium and composites. Coupled with the fact that the battery pack will form a structural part of the BIW, this means EJOT fasteners can add more value than ever.

One EJOT screw that is proving of great value to EV manufacturers is the EJOT FDS or “Flow Drill Screw”. This is perfect for single sided applications, as no supporting anvil is needed, and suitable for multi material joining. As a self-drilling fastener, the FDS reduces the need for additional processes in both the clamping material and installation boss material – as a result, this means less need for alignment and savings in handling time.

The versatility of the EJOT FDS, and a number of other fasteners in the range, means a reduction in the parts needed can be achieved, with the added benefit of simpler installation. Combined with the engineering quality that defines every EJOT fastener, greater reliability of installation equipment is also feasible to ensure “Takt times” can be met.

We also provide customers with access to our specialist calculation software which will assist in the development process and potentially deliver savings in terms of time and costs.

Many of the benefits of FDS are common across all the EJOT fastening solutions for BIW. So whether the solution takes the form of lightweight material fixings/fasteners, fixings for composites, screws for aluminium and multi materials, self-drilling fasteners, plastic fasteners, removable fasteners, special application fasteners, thread formers, self-tappers or a flow drill screw, the EJOT brand can be trusted to deliver.
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Contact our Industrial Fastener team in the UK

Help, guidance and technical support is available from our Yorkshire based customer support team and our regional application engineers working throughout the UK.


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Flow Drill Screw (FDS)

EJOT FDS is ideal for single sided applications and for multi material joining. FDS reduces the need for additional processes in both the clamping material and installation boss material. This creates less need for alignment and savings in handling time. 

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EJOWELD 

EJOWELD® was developed by EJOT as an innovative solution to join multi-material-designs including lightweight materials such as aluminium and advanced high-strength steel using a friction element setting tool which is suitable for robots and autonomous processes. This unique and highly advanced technology is now deployed by high profile automotive manufacturers for body-in-white assembly where lightweighting and high strength need to combine effectively.


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Calculation Software

Bespoke online tools from EJOT help design engineers speed up research and development programmes by reducing the need for testing and delivering cost-saving potential.


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Read our full series on Electric Vehicles...


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Watch Product Animations

Explore our video showcase - This provides engineers and designers with quick reference gallery of computer animations that demonstrate the technology behind many of our fastening systems.


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