Wuxi Wondery Industry Equipment Co., Ltd

1. Balancing High-Speed Feeding with Dynamic Stability In the mass production of automotive condensers and intercoolers, fin-forming speed is the primary driver of line throughput. The WDL-60-P system integrates the HDV-E600-4T3.7B high-performance frequency inverter, enabling a stable feeding speed of 40m/min. This power configuration not only boosts the cut-off frequency to 60 times/min but also ensures the consistency of fin geometry through precise tension compensation. This prevents the common issue of wave-summit stretching distortion often seen in conventional equipment during high-speed runs. 2. Improving Assembly Quality via "Zero-Error" Cutting Process Heat exchanger core stacking requires extreme consistency in fin length. Leveraging its centralized PLC control system, the machine achieves a physical cutting accuracy of ±0mm. The technical core lies in the system's ability to precisely trigger the cutting mechanism at the fin summit. This "zero-error" performance eliminates cumulative tolerances during continuous processing, ensuring that fins fit perfectly with cold plates or flat tubes prior to vacuum brazing, fundamentally securing the sealing and thermal efficiency of the heat exchanger. 3. Modular Scalability and Automated Synergy To accommodate diverse specifications from condensers to industrial oil radiators, the WDL-60-P features a replaceable forming device design. All operational logic—from production counting to emergency shutdown protection—is managed within a closed-loop automated system. The reserved interface allows for seamless connection to fin collection units, which, combined with the compact footprint of 4900×760×1900 mm, optimizes floor space utilization. This parametric-managed flexible production line provides heat exchanger manufacturers with superior process agility.

Industry Background: The Challenge of Deep Impregnation in Motor Service Centers In motor coil repair, insulation failure in high-voltage or explosion-proof motors often stems from aging or moisture. Traditional atmospheric dipping fails to overcome surface tension within windings, leaving micro-voids that trigger corona discharge during operation. A leading motor service center adopted the ZH-1200 Automated VPI (Vacuum Pressure Impregnation) system to address the root cause of porous insulation in repaired components. Technical Solution: Automated VPI Process Based on ZH-1200 System To ensure every repaired stator and rotor receives ultimate insulation protection, the facility implemented the ZH-1200 system, compliant with GB150-1998 standards for steel pressure vessels. 1. Extreme Vacuum Evacuation: The Foundation for Eliminating Oxidation Before impregnation, components are processed in the Φ1200 × 1000mm effective work zone. The system utilizes a dual-stage vacuum unit—comprising a 2X-30 rotary vane pump and a ZJ-150 Roots pump—delivering a powerful pumping speed of 150L/S. This configuration rapidly reduces pressure to the 1000~100000 Pa range, ensuring that even in complex repaired coils, deep-seated air and moisture are fully exhausted for unobstructed resin saturation. 2. Pressure-Compensated Penetration: Enhancing Dielectric and Mechanical Strength Following vacuum filling, the system automatically switches to pressure mode. Supported by a 12MPa hydraulic locking mechanism, a 1.0MPa design pressure is applied within the tank. This forces the resin into the deepest layers of tight windings, achieving a fill rate that significantly improves heat dissipation and dielectric strength, matching or exceeding OEM standards for repaired motors. 3. Digital Resin Preservation: Ensuring Repair Consistency Given the intermittent nature of repair operations, preserving resin quality is vital. The ZH-1200 features a 100mm thick cooling jacket on the storage tank, utilizing a 40% ethylene glycol solution. Integrated with PT100 temperature sensors, the system precisely regulates resin temperature to prevent premature polymerization. This thermal management ensures that every motor, regardless of its repair schedule, receives protection from a stable and consistent insulation medium. Conclusion: Establishing Trust through Parametric Standards By adopting the ZH-1200 VPI system, the repair center transitioned from "experience-based repair" to "data-driven engineering." From JB/T7674-95 compliant vacuum design to automated low-level alarms, every parameter translates into a reliability guarantee, helping the service provider build a technical reputation in the specialized motor repair market.

1. Market Background In Russia, the automotive, construction and cable industries generate steady and growing demand for aluminum ingots. Ingot quality—hydrogen content, inclusions and chemical homogeneity—directly affects the stability of downstream casting and rolling processes. Many plants operate relatively simple ingot casting lines with limited investment in degassing and filtration, making it difficult to systematically address hydrogen and inclusion issues in molten aluminum and leading to higher defect rates downstream. 2. Customer & Application Scenario The customer is an ingot producer supplying multiple industries. Its existing ingot line had limited length, with degassing and filtration units scattered and loosely integrated. As end users tightened their quality specifications, the existing setup struggled with melt cleanliness, ingot dimensional consistency and line throughput. The customer sought a full-line upgrade, combining melt purification and ingot casting in a single, integrated solution. 3. Our Solution (Product & Specifications) The new system centers on a 9 m ingot casting machine, a mobile in-line degassing unit and a filtration box, forming a complete ingot casting solution: The 9 m ingot caster provides stable ingot forming and cooling rhythm, supporting continuous casting; The mobile in-line degasser is positioned upstream of the ingot caster, using argon or nitrogen purging to reduce hydrogen content in the molten aluminum; The filtration box houses ceramic filter media to remove non-metallic inclusions and improve melt cleanliness. With carefully designed elevation and flow paths, molten aluminum flows through filtration and degassing before entering the ingot caster, effectively integrating “purification + casting” into a single line. Rather than optimizing each unit in isolation, the solution focuses on the coordination and layout of all three modules to ensure a coherent upgrade of the entire process. 4. Customer Feedback After start-up, the customer reported more consistent ingot surface and internal quality. Downstream users observed fewer gas porosity and inclusion-related defects during remelting and secondary casting. The 9 m ingot caster delivered smoother cycle control, and ingot size and weight consistency improved, simplifying packaging and inventory management. The combination of in-line degassing and filtration allows melt purification settings to be adjusted according to alloy grade and production schedule, and maintenance or filter changes are relatively straightforward. The customer believes this integrated upgrade provides a strong foundation for entering higher-end markets with stricter quality demands. 5. Conclusion For Russia and other regions with concentrated aluminum processing industries, a complete ingot casting line combining a 9 m ingot caster, in-line degassing and filtration can improve ingot quality at the source and reduce defect rates in downstream operations. This case demonstrates that planning melt purification and ingot casting as a single integrated system yields a better balance between quality and efficiency than upgrading individual pieces of equipment in isolation.