No auxiliary materials such as rivets are needed, the power source is only air, no heat is generated, and bonding can be done instantly. Low-cost, high-performance fastening.
In the context of the demand for CO2 reduction, RIVCLINCH is a fastening method that uses only air as the power source, generates no heat, and does not use auxiliary materials such as rivets, relying instead on plastic deformation. By applying multiple points, it is possible to achieve equivalent strength when compared to spot welding and shear strength with SPR. Additionally, it can fasten thin plates, which are said to be difficult to weld, as well as combinations of materials with different properties and dissimilar materials. Examples include: - Combinations with a high ratio of total plate thickness to the thinnest plate thickness - Aluminum 5000 x Aluminum 6000 - Plate assemblies that require multiple welds at spots, etc. The only auxiliary materials needed are the die and punch at the tool tip. The tools can be hand tools, stationary tools, or automation for robots. We will propose the most suitable option based on the production scale.
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basic information
■Steel: Total plate thickness 1 to 10 mm ■Aluminum: Total plate thickness 1.5 to 10 mm Others: Copper and stainless steel can also be joined Regarding fastening, we conduct selection tests to determine the feasibility and conditions for fastening. The joining shapes are round and square, each with distinct characteristics. ◇Round Maintains protective coatings such as plating Excellent corrosion resistance No corners (burrs) are generated ◇Square Stainless steel can be joined Has high shear strength Can accommodate three or more layers stacked together
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Applications/Examples of results
LED Elevator box Vending machine Ventilation system Fuse box Control panel / Distribution board Airbag box
Company information
Belhof Corporation, headquartered in Bielefeld, Northern Germany, has been in business for 145 years. We are experts in joining and fastening technologies that contribute to weight reduction, dissimilar material bonding, reduction of component count, vibration damping, automation, and reinforcement of threaded parts. 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 parts. We can also offer automation proposals for these applications. Please feel free to consult with us.
