AgNi Bi-metal Electrical Silver Contact
Products Description
In new energy, power electronics, and intelligent power distribution systems, relays, contactors, circuit breakers, and other switching equipment need to maintain stable electrical connection performance under frequent switching, high current surges, and long-term operating conditions. AgNi Bi-metal electrical silver contacts are bimetallic electrical contacts manufactured using a composite structure of a silver-nickel alloy contact layer and a copper base, achieving a balance between conductivity, arc resistance, and mechanical connection performance through material combination.
Round silver bimetallic rivets are mainly used in electrical switching assemblies such as relays, contactors, and circuit breakers, forming a complete current-switching path together with moving springs, stationary contacts, and terminal assemblies. For new energy system integrators, contacts are not just simple conductive parts, but important interface components that affect the lifespan of the entire machine, current stability, and safe operation of the system.
Core Selling Points
Material System Compatibility
AgNi-based electrical contact materials, by adding a nickel phase to a silver matrix, ensure AgNi Bimetal Contact Rivets achieve low contact resistance while enhancing mechanical strength and wear resistance. Different nickel content ratios can be tailored to various current ratings.
Bimetallic Composite Structure
The working surface uses AgNi alloy, while the matrix uses copper or copper alloy, achieving an optimized configuration of functional and structural layers. This design ensures the electrical performance of Cold Headed Parts while providing a good machinable interface for downstream welding or riveting processes.
Cold Forging Precision Forming
Utilizing a multi-station cold forging process, Bimetal Silver Composite Contact Rivets achieve controllable dimensional accuracy and a high surface finish, suitable for the high-speed production demands of automated assembly lines.
Cold Heading Manufacturing Process
Multi-Station Cold Heading: Round Silver Bimetal Rivet products are formed in one step using a multi-station cold heading machine. The process includes: wire feeding → cutting → pre-heading → precision heading → edge trimming (optional) → demolding. The cold heading process allows the metal material to undergo plastic deformation in a cold state, refining the grains and resulting in high product density.
Internal Ejection Demolding Technology: For Bimetal Contact Buttons for Relays, the design of the cold heading components is crucial. An internal ejection structure combining split-type molding inserts and ejector pins significantly reduces the impact of friction on the bonding quality of the composite silver layer during demolding, preventing batch scrap due to poor adhesion.
Precision Control: By designing and adding servo-controlled components and drive shafts to the equipment, precise control over wire feeding and cutting accuracy, as well as heading force, is achieved. This ensures the dimensional accuracy of different models and specifications of Electrical Contact Points for Breakers, saving precious metal usage.
Product Application Advantages
Compatibility:
Silver Contacts in Breakers can be customized to different product forms according to customer drawings. A single part number can adapt to various structural designs, reducing management costs.
System Stability
The low contact resistance and stable rate of change of the material ensure consistent conductivity throughout the system's lifespan, preventing malfunctions or abnormal heating caused by the aging of Silver Bimetal Rivet Contacts.
Collaborative Operation
The bimetallic composite structure allows Electrical Contact Points for Switches to reliably connect to copper contact bridges, copper braided wires, or bimetallic sheets via resistance welding, forming a complete current conduction path.
contact us
If you are evaluating AgNi Bi-metal Electrical Silver Contact solutions for energy storage systems, photovoltaic inverters, or electric vehicle power distribution units, please provide your system voltage level, on/off current, and mechanical interface drawings. Our engineering team will use the AgNi bimetallic cold forming technology platform to match or customize electrical contact solutions that meet your system-level reliability requirements.
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