1.Product Description
Hongwang provides precision CRGO silicon steel core assembly services. We offer end-to-end solutions from lamination to finished core assembly for power, distribution, and special transformers. Advanced step-lap technology ensures optimal performance.
2.Product Overview
Core Assembly
Hongwang's core assembly service transforms precision CRGO laminations into complete, ready-to-use transformer cores. Using automated stacking systems and advanced step-lap technology, we ensure tight magnetic circuits with minimal core loss and noise. Our assembly process maintains the superior magnetic properties of CRGO steel while providing robust mechanical structure.
3.Our Product Range & Manufacturing Excellence
Hongwang Holding Group offers comprehensive core assembly solutions backed by our complete vertical integration. From raw material to finished core assembly, we maintain strict quality control at every stage, ensuring superior performance and reliability for your transformers.
The Hunan Hongwang Core Factory has integrated the entire production process through systems including CRM, APS, PDCS, Nesting System, MES, WMS, WCS, DCS, and SCADA, achieving comprehensive data connectivity from the equipment level (L1) to the management level (L3).
(1)Our Integrated Manufacturing Process:
•Advanced Material Preparatio
a. Precision cutting and slitting of CRGO steel
b. Surface coating application (C-3, C-5)
c. Stress relief annealing treatment
• Automated Core Assembly
a. Robotic stacking systems for precision
b. Step-lap and multi-step lap technology
c. Computer-controlled assembly processes
• Quality Assurance & Testing
a. Core loss measurement systems
b. No-load performance testing
c. Dimensional accuracy verification
d. Mechanical integrity testing
(2)Core Assembly Services
• Assembly Types: Core-form, Shell-form, Wound Cores, Special Configurations
• Stacking Technology: Multi-step lap, Step-lap, and conventional stacking
• Clamping Systems: Customized clamping structures with proper insulation
• Testing & QA: Complete core loss testing, impulse wave testing, dimensional inspection
4.Core Advantages
•Advanced Manufacturing: Automated stacking equipment ensures precision and consistency
• Optimized Performance: Step-lap joints reduce flux leakage and minimize losses
• Robust Construction: Professional clamping systems prevent core movement and vibration
• Quality Assurance: 100% testing before shipment ensures reliability
• Technical Support: Engineering support for optimal core design and assembly
5.Applications
• Large Power Transformers
• Distribution Transformers
• Special Application Transformers
• Reactors and Chokes
• Renewable Energy Transformers
6.Q&A
Q1: What stacking methods do you use for core assembly?
We employ advanced stacking techniques including multi-step lap and step-lap methods, which significantly reduce flux leakage and core loss at joints. The specific method is chosen based on your transformer design and performance requirements.
Q2: Do you provide complete core assembly with clamping structure?
Yes, we deliver fully assembled cores complete with robust clamping systems. Our clamping structures are designed to provide adequate pressure while maintaining proper insulation to prevent eddy currents and hot spots.
Q3: What quality tests do you perform on assembled cores?
Every assembled core undergoes comprehensive testing including core loss measurement, no-load current testing, dimensional verification, and mechanical integrity checks. We provide complete test reports with each delivery.
Q4: Can you handle large core assembly projects?
With our automated assembly lines and experienced team, we can handle large-scale core assembly projects while maintaining precision and quality.
7.HONGWANG SHIPPING PACKING
Assembled cores are carefully packaged with protective coatings and robust framing to prevent damage during transportation. We use custom-designed packaging solutions to ensure safe delivery of your core assemblies.
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