Precision Manufacturing, Excellent Performance Brass Terminal Blocks
Brass terminal blocks have become an important solution in the field of electrical connections due to their precision manufacturing process and comprehensive performance advantages. Its core value is reflected in the deep adaptation of material characteristics, manufacturing processes, and application scenarios.
1、 Material properties: balance between mechanical strength and corrosion resistance
Brass, as a copper zinc alloy, has the following significant advantages:
High mechanical strength: higher hardness than copper, excellent tensile and bending resistance, especially suitable for outdoor or industrial facilities that require mechanical stress. For example, the tensile strength of H62 brass can reach 410-630MPa, far exceeding the 295-395MPa of copper.
Corrosion resistance: The addition of zinc element makes it stable in humid or corrosive environments, and surface tin plating treatment can further isolate oxidation and extend its service life.
Cost effectiveness: Compared to copper, brass has a lower cost, and increasing the cross-section can compensate for the difference in conductivity, achieving a balance between economy and performance.
2、 Precision Manufacturing: Process Optimization and Performance Enhancement
Cold pressing technology: Adopting the coreless cold extrusion process, high-precision molding is achieved through mold combination to ensure stable terminal structure, smooth contact surface, and reduced contact resistance.
Surface treatment process: Tin plating, silver plating, or nickel plating to form a protective layer, isolate air and moisture, and prevent oxidation and corrosion. For example, tin plating can reduce contact resistance while improving solderability.
Modular design: Match different apertures and cross-sectional areas according to current requirements, adapt to multiple specifications of wires, and achieve standardized installation. For example, the RNB series terminals are designed with cross slotted tapered crimping to enhance connection stability.
3、 Application scenario: Accurate matching of diverse needs
Industrial automation: In distribution cabinets and control systems, brass terminals ensure long-term stable operation due to their high mechanical strength and corrosion resistance.
Communication equipment: Precision terminals require stable signal transmission and low contact resistance. Brass achieves a combination of low cost and high reliability through local gold plating technology.
In the field of new energy, the combination of brass terminals and copper aluminum transition technology in photovoltaic systems solves the problem of electrochemical corrosion and enhances system safety.
4、 Performance Comparison: Applicable Scenarios of Brass and Purple Copper
Characteristics: Brass terminal block, purple copper terminal block
The conductivity and resistivity are relatively high, but the excellent conductivity can be compensated for by increasing the cross-section, making it suitable for efficient power transmission
High mechanical strength and hardness, excellent tensile and wear resistance. Low mechanical strength, not suitable for high stress environments
Low cost, suitable for large-scale production, but with strong durability for long-term use
Applicable scenarios include outdoor installation, industrial facilities, cost sensitive projects with high current, high conductivity requirements, and high reliability
5、 Future Trends: Performance Optimization and Technological Innovation
With the development of electrical systems towards high efficiency and reliability, brass terminal blocks will continue to be upgraded in the following directions:
Material compounding: Combining phosphor bronze or beryllium copper to enhance elasticity and adapt to high-frequency insertion and extraction scenarios.
Coating process improvement: Adopting hard gold coating (gold nickel or cobalt alloy) to extend service life and reduce friction loss.
Intelligent design: integrating temperature monitoring and self diagnostic functions to enhance system safety.
Conclusion
Brass terminal blocks are manufactured with precision as the core, achieving the optimal solution between mechanical strength, corrosion resistance, and cost-effectiveness through the deep integration of material characteristics and process innovation. In the future, with the iteration of technology and the expansion of application scenarios, it will play a greater role in industrial automation, new energy and other fields, becoming an indispensable "precision hub" in the field of electrical connections.
