Raw Material Selection
Transformer radiator manufacturing begins with high-quality raw material selection. Common materials include cold-rolled steel sheets, stainless steel sheets, and galvanized steel sheets. Material choice depends on the radiator application environment, corrosion resistance requirements, and cost considerations.
Steel sheet thickness is typically 1.2mm to 2.0mm, depending on radiator size and strength requirements. All incoming materials undergo strict quality inspection including chemical composition analysis, mechanical property testing, and surface quality inspection.
Stamping and Forming
Steel sheets are first cut and stamped to form the basic shape of radiator plates. The stamping process creates specific corrugated or fin structures on the plate surface, greatly increasing heat dissipation area while enhancing mechanical strength.
Tengqi Technology uses high-precision stamping dies and automated stamping production lines to ensure dimensional consistency and shape accuracy of each radiator plate.
Welding and Assembly
Stamped radiator plates are assembled into radiator cores using automated welding equipment. Weld quality is a critical factor determining radiator reliability. Tengqi Technology uses automated welding technology to ensure uniform welds and reliable sealing.
After welding, radiators undergo pressure testing to verify the sealing of all welds. Test pressure is typically 1.5 times the working pressure, maintained for at least 30 minutes. Only radiators passing the pressure test proceed to the next process.
Surface Treatment and Coating
Surface treatment is another critical step in radiator manufacturing. After pretreatment, the radiator enters the coating process. Coating not only provides an attractive appearance but also offers essential corrosion protection.
Tengqi Technology pioneered the application of automotive-grade automatic coating technology to radiator production, achieving a fully automated coating process from blanks to finished products. The multi-layer coating system ensures excellent adhesion and weather resistance.
Quality Inspection and Factory Testing
Each radiator undergoes rigorous quality inspection before leaving the factory, including: visual inspection, dimensional measurement, pressure testing, leak testing, coating thickness measurement, and adhesion testing.
Tengqi Technology has established a complete quality traceability system. Each radiator has a unique serial number with complete production records, traceable from raw material batches to operators at each process step.
Conclusion
Transformer radiator manufacturing is a complex process involving multiple precision processes. With advanced production equipment and a strict quality management system, Tengqi Technology provides customers with high-quality, high-reliability transformer radiator products.
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