It is a joining technology that can achieve weight reduction through the use of different materials while utilizing the existing welding line.
Conventional joining technologies, such as resistance spot welding, cannot be used for modern multi-material vehicle bodies because the materials are either thermally incompatible or restricted. To meet these requirements, Berhof developed the WELTAC technology. This technology enables multi-material joining on existing welding lines, expanding design and engineering freedom. Additionally, in automation systems, it is developed based on our already established SPR (Rivset) technology, so you can use it with confidence. [Features] - Enables spot welding of dissimilar materials. - Usable for aluminum and cast materials ranging from 0.8 to 3.2 mm. - Capable of joining 2 to 4 sheets. - Compatible with the use of adhesives.
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basic information
As the initial process, iron rivets are driven into upper materials such as aluminum. These rivets can then be welded to the iron of the lower materials. Our company provides riveting equipment and rivets in addition to welding machines. Currently, we offer six types of rivets that can be used according to applications such as material and plate thickness. *For more details, please refer to the PDF document or feel free to contact us.*
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Applications/Examples of results
The automotive industry, of course, is expected to see use in various fields.
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Company information
Belhof Corporation, headquartered in Bielefeld, Northern Germany, has been in operation for 145 years. We are experts in joining and fastening technologies that contribute to weight reduction, dissimilar material bonding, reduction of component count, vibration dampening, automation, and reinforcement of threaded sections. In Europe, we have received numerous adoptions from various OEMs and Tier suppliers. We encourage you to utilize our innovative technologies in your development and production processes. In Japan, we have a development base in Nagoya, where SPR evaluation tests can be conducted. Recently, we have received many inquiries regarding dissimilar material bonding with aluminum die casting, blind nuts with sealing functions for battery trays, and reinforcement of threaded sections. We can also propose automation solutions for these applications. Please feel free to consult with us.
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