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The ceramic raw material of our welding pin, nanometer zirconia powder, is imported from Germany. After shaping by cold-isosactic-pressing (CIP), debinding and sinter, the rods are re-heat-treated by thermo-isostacic-pressing (HIP). Then the HIPed rods are grinded to welding pin by CNC to keep high dimension precision (with tolerance 0.002mm) and then polished by diamond to get perfect surface.(Roughness Ra<0.03um).
The mechanical property of the ceramic after HIP is very high with bending strength higher than 1200MPa, fracture toughness 14MPa•m1/2 and extremely high abrasion resistance. The life time of the our welding pin is much higher than special steel and KCF material.
Our welding pin material is completely ceramic from inside to surface. The electrical insulation of the ceramic can completely avoid faulty welded joint defects of auto-body spot welding, which is the fatal weakness of ceramic coated pins like KCF.
What’s more, the automotive ceramic position pin is designed to provide precise positioning and alignment of components such as engine parts, transmission parts, suspension systems, and other critical automotive assemblies. It ensures that these parts are correctly aligned and securely he ld in place, which is crucial for The overall performance and safety of the vehicle.
The nanometer zirconia ceramicused in these position pins provides several advantages over traditional KCF pins. It offers high strength, wear resistance, and dimensional stability, even under extreme temperature and pressure conditions. Ceramic pins also have low thermal expansion, which helps maintain their position accuracy over a wide range of operating temperatures.
Additionally, automotive ceramic position pins are non-magnetic and electrically insulating, making them suitable for applications where electrical conductivity or magnetic interference must be avoided. They are also resistant to corrosion and chemical attack, ensuring long-term re liability and durability in harsh automotive environments .
Overall, automotive ceramic position pins play a vital role in maintaining the precision and reliability of automotive systems. Their use helps ensure proper alignment and positioning of critical components, contributing to the overall performance, safety, and longevity of vehicles.
Warm welcome you to contact me if you are interested in such nanometer zirconia pins.
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