Precision Copper Stamping Parts
Products Description
Our Precision Copper Stamping Parts utilize a high-precision progressive die and multi-station composite stamping process, achieving integrated forming from coil material to finished structure. Through rigorous mold design, dimensional control, and surface treatment, we achieve comprehensive upgrades in conductivity, shape stability, mechanical strength, and assembly consistency.
Our Silver Contact Rivet Assemblies focus on current interruption and switching scenarios. Through a composite structure of "copper substrate + silver-based contacts," they significantly improve arc resistance, weld resistance, wear resistance, and conductivity, making them indispensable key contact components in the relay, contactor, switch, micro-motor, and low-voltage electrical appliance industries.
Product Nature and Features: The Combined Advantages of High-Precision Forming + High-Quality Contacts
High Conductivity
Copper material possesses excellent electrical and thermal conductivity, enabling stamped parts to maintain low impedance, low heat generation, and high efficiency in high-current scenarios.
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Stable Mechanical Structure Strength
Multi-station progressive dies combined with secondary forming ensure high part dimensional consistency and controllable form and position tolerances, adapting to high-frequency vibration and long-term mechanical loads.
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Excellent Contact Electrical Performance
Silver contact points utilize high-purity silver or silver alloy materials, possessing low contact resistance, excellent arc resistance, and long-life switching stability.
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Strong Composite Structure Bonding
Cold riveting, hot riveting, or in-furnace brazing processes achieve a strong bond between the copper substrate and the silver contact structure, ensuring contact lifespan and current reliability.
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Customizable Design
Highly customized to meet customer equipment structure, space constraints, electrical parameters, temperature rating, and mechanical strength requirements.
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Manufacturing Advantages: The Synergistic Art of Precision Stamping and Automated Riveting
High-Precision Multi-Station Progressive Die Technology
Our core competitiveness lies in designing and manufacturing progressive dies capable of forming complex copper parts in a single operation. A single die can integrate dozens of processes such as punching, blanking, bending, stamping, and riveting, providing a perfect positioning reference for subsequent riveting.
Inline Automated Riveting Integration
We seamlessly integrate automated riveting workstations into the stamping production line. Using robotic arms or high-speed feeding devices, silver contacts are precisely delivered to the high-speed stamping parts, completing instantaneous riveting and achieving integrated "stamping-riveting."
Proprietary Copper Material Processing
We are proficient in the stamping characteristics of copper. By optimizing die structure and lubrication schemes, we effectively control material springback and tearing. Simultaneously, we provide subsequent annealing services to eliminate processing stress and restore the conductivity and flexibility of copper.
End-to-end quality traceability system
From raw material warehousing to finished product delivery, data at every stage is recorded in the MES system. We can trace each component back to which roll of material it came from, which piece of equipment it was produced on, and which parameters were used, ensuring full control over quality throughout the entire process.
Technical Details: Quality Insights from a Professional Perspective
Microstructure Analysis
A high-quality riveting interface should exhibit a dense metallurgical bond, free from defects such as pores and cracks. The transition zone between the silver layer and the copper substrate should display good alloying characteristics, which is fundamental to ensuring interface conductivity and bonding strength.
Geometric Accuracy Control
The critical dimensional tolerances of precision stamped parts should be controlled within ±0.01mm, and the overall flatness error after riveting should not exceed 0.02mm. This stringent geometric control ensures the compatibility of components in automated assembly.
Surface Quality Control
An ideal component surface should be smooth and flat, free from defects such as burrs and indentations. The silver contact surface should exhibit a uniform metallic luster, free from oxide spots or contamination marks, ensuring stable contact performance.
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