Bi-metal Contact Point Rivets For Switch
Products Description
Silver Alloy Surface Layer: Not made of standard pure silver, but with a customised alloy formula (such as silver-nickel alloy, silver-cadmium oxide alloy, silver-tin oxide alloy, etc.) according to the switch's current rating (low/medium/high). The Bi-metal Contact Point Rivets for Switch base material ensure excellent conductivity, while the alloy elements (nickel, cadmium oxide, tin oxide) significantly improve surface hardness and arc erosion resistance, preventing contact welding and wear caused by arcing during high-frequency switching, thus extending the switch's lifespan; it also possesses good self-lubricating properties, reducing mechanical friction losses during switching.
Copper base layer: TU1 oxygen-free copper or high-conductivity copper is selected as the base material. On the one hand, copper's excellent electrical and thermal conductivity allows for rapid conduction of Joule heat and arc heat generated during contact operation, preventing contact softening due to localised overheating. On the other hand, the high mechanical strength and ductility of the copper base provide stable support for the silver alloy surface layer, buffering the mechanical impact and vibration during switching on and off, and preventing contact detachment or deformation.
Deep Integration of Materials Science and Design Wisdom
Zero Interface Impedance
The metallurgical bonding interface has no intermediate layers or gaps, allowing electrons to pass through unimpeded, ensuring lossless current conduction from the copper substrate to the silver alloy working layer.
Unbreakable Commitment
Under the dual effects of repeated thermal shock from electric arcs and mechanical stress, the metallurgical bonding layer remains as strong as ever, eliminating fatal failure modes such as working layer detachment and peeling, ensuring consistent performance throughout the leaf spring electrical contact's entire lifecycle.
Perfect Performance Release
Only by achieving metallurgical bonding can the arc resistance of the silver-based alloy and the electrical and thermal conductivity of the copper substrate work together synergistically, forming a powerful synergy greater than the sum of its parts.
Application Advantages: Comprehensive Coverage from Basic Switches to High-End Electrical Equipment
Medium and Low Voltage Circuit Breakers
In circuit breakers with frequent switching, our Silver Bimetal Contact Rivets effectively address contact wear and arcing issues, improving equipment reliability and reducing unexpected downtime.
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Relays and Contactors
In industrial automation equipment, our products provide Bimetal Composite Rivet performance, ensuring long-term reliable operation.
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Thermostatic Switches
In temperature control equipment, the bimetallic structure provides a stable temperature response and Silver Contact Points performance, improving equipment accuracy.
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Household Appliance Switches
In various household appliances, our products offer longer service life and more reliable performance, enhancing product competitiveness.
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Industrial Control Panels
In demanding industrial control environments, our Silver Alloy Electrical Contacts ensure the stable operation of equipment under harsh conditions.
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Details Reveal Quality: A Commitment from Micro to Macro
Weld Line: A clear, continuous, straight weld line free of pores or oxide inclusions is visible on the rivet cross-section, providing direct evidence of metallurgical bonding quality.
Contact Surface: Precision rolling or polishing results in a uniform gloss, free of cracks, peeling, or pressed-in impurities, ensuring optimal initial Silver Cadmium Contacts condition.
Dimensional and Geometric Tolerances: Electrical Contact Point head diameter, height, concentricity, and end face runout are all controlled to micron-level precision, suitable for high-speed automated riveting production lines, guaranteeing assembly efficiency and consistency.
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