Pressure rivet nut in the new energy vehicles in the application of solutions

Pressure rivet nut in the new energy vehicles in the application of solutions

As a new energy vehicle, it has the advantages of energy saving and environmental protection, especially the pure electric vehicle, which has become an increasing hotspot in automobile research. The prevailing problem in electric cars is the limited range of electric vehicle batteries, which limits their popularization and application.

The existing electric vehicle body skeleton on the majority of components uses steel plate stamping molding; the molding process is complex, high cost, made of the body skeleton, not conducive to the lightweight electric vehicles, electric vehicles can not effectively extend the mileage, and the production of metal parts of assembly and maintenance costs are high, is not conducive to reducing costs, can not meet the energy-saving and environmental protection requirements.

Vehicle manufacturers are stepping up to enhance electric vehicles' R&D and manufacturing capacity; this change towards electric vehicle architecture for the design and manufacture of automotive structures and components has brought new challenges. Automotive infrastructure and how to support electrification, intelligence and lightweight requirements, and flexible and stable fastening solutions have become very critical.

Thanks to innovation and high performance, pressure riveted fasteners are widely used in powertrains, busbars, infotainment systems, body electronics, safety and ADAS systems, charging systems, etc.

The use of all-aluminum bodywork for electric vehicles solves the above problems. However, due to aluminum profiles and plates in the body, the nuts used in the traditional steel plate body cannot be used in the all-aluminum white body because the aluminum itself cannot be convexly welded. The connectors and fasteners in the body cannot be convex welded to connect them, which makes it difficult to install and fasten the parts in the body.

Easy-to-install pressure rivet fasteners, also known as self-buckling fasteners, provide load-bearing threads in sheet metal that are too thin to be tapped. The principle of application means that the fastener is permanently bonded to the sheet metal by applying constant pressure to the fastener. The fastener is not physically deformed during this process.

Press rivets offer higher reliability and more excellent holding power than extruded, tapped, or pressed threads. It is mainly used for sheet metal where good pull-out forces and torque loads are required, as other methods cannot ensure a secure fixing.

Advantages of Press Rivet Technology

By cold-flowing material under pressure into the fastener's annular grooves, riveted fasteners can be securely fastened to malleable sheet metal, locking it firmly into place. This technology offers numerous advantages:

1 Provides strong threads in sheet metal as thin as 0.012″/0.3 mm. Greater design flexibility for installation into different materials of metal

2 Can be mounted into regular round holes without any secondary operations. No special treatment of the mounting holes, such as chamfering and deburring, is required.

3 Installation using any parallel acting extrusion force. Low mounting costs and shortening of the mounting cycle due to in-mold capability

4 Provides high push-out and spin-out forces. The reverse side of the sheet metal remains flush

5 Cleaner, more environmentally friendly process, no weld spatter, and low energy consumption.

To achieve the installation and fastening of components on electric vehicles, Juxin Fasteners has adopted a technical solution specializing in producing rivet nuts for the automotive industry, which have a rounded shape with embossed teeth and guiding grooves at one end. The principle is to press through the pressure flower teeth into the sheet metal of the preset holes; generally speaking, the diameter of the preset holes is slightly smaller than the pressure riveting nut of the pressure flower teeth through the pressure to make the pressure riveting nut flower teeth squeezed into the plate so that the preset holes in the periphery of the plastic deformation, deformation of the material was stuffed into the guide groove, thus producing the effect of locking, to press the riveting nut and the body of aluminum riveting connection is more solid and close.

Electric vehicles inevitably use the battery pack; its shell is a large aluminum box, and this aluminum box is covered. Threads connect the aluminum box and the lid. Aluminum threads are not strong enough, so each aluminum threaded hole should be inlaid with a steel or stainless steel threaded sheath to strengthen the connection strength of the internal threads.

Please contact us if you want high-quality self-clinching nuts fasteners or technical support for structural design. Thanks.Email:adelajonly@gmail.com

Website: https://www.juxinfasteners.com