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Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line
  • Hollow Rod End Processing Production Line

Hollow Rod End Processing Production Line

The hollow rod end processing production line is engineered for the end-forming of hollow stabilizer bar tubing in automotive suspension systems, integrating end-section induction heating, hot forming (flattening / necking), riveting and press-fitting, and die-box assembly into a fully automated workflow from heating through finished assembly.
The end-section induction heating unit employs medium-frequency induction technology to deliver precise, localized heating exclusively to the rod ends, with fast ramp-up speed and accurate temperature control. This prevents thermal impact on the unheated tube body, ensures thorough softening of the end zone for smooth forming, and minimizes surface oxidation and decarburization.
Induction coils are custom-designed to match the specific outer diameter, wall thickness, and end geometry of each hollow rod specification, concentrating heat uniformly in the target zone and providing a stable, consistent thermal foundation for subsequent hot-forming operations such as flattening, swaging, and bending.
The riveting press and die-box press stations serve as the critical downstream assembly operations, performing precision press-fitting of the formed stabilizer bar ends with rubber bushings and end fittings to achieve tight dimensional tolerances and reliable joint integrity that meet automotive chassis assembly requirements.
The line incorporates digital phase-lock technology for automatic frequency tracking, operates without high-voltage hazards, and runs continuously for 24 hours with stable reliability. Energy consumption is reduced by approximately 60% compared to conventional heating methods and 20% compared to thyristor-based equipment, delivering strong overall cost efficiency.
Developed and manufactured by Wuxi Microenergy CNC Technology Co., Ltd., with extensive expertise in automotive suspension components, the line is exported to Southeast Asia, South America, Africa, and Eastern Europe, backed by comprehensive after-sales support and customizable turnkey engineering solutions.









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Wuxi Weineng Automation Technology Co., Ltd.
Wuxi Weineng CNC Technology Co., Ltd., located in Wuxi, the Pearl of Taihu Lake, covers an area of ​​6,000 square meters and currently employs over 60 people. In 2016, the company's founding team began researching and developing complete sets of equipment for automotive leaf springs, hot-coiled springs, and stabilizer bars. To date, they have been deeply involved in this industry for 10 years and are recognized as a specialized, innovative, and distinctive enterprise in this field by the Ministry of Industry and Information Technology.
The company integrates R&D, production, sales, and service. Its main products include complete sets of automotive leaf spring equipment and stabilizer bar equipment, including stabilizer bar end induction heating equipment, stabilizer bar thermoforming induction heating equipment, hollow stabilizer bar double-end induction heating equipment, hollow bar resistance conduction heating production lines, stabilizer bar secondary vulcanization production lines, and hot-coiled spring equipment. The company also provides users with complete induction heating automated production lines.
Over the years, the company has served leading domestic enterprises such as Shanghai China Spring Manufacturing Co., Ltd., Huawei Technology Co., Ltd., Zhejiang Meili Technology Co., Ltd., Zhejiang Jinsheng Auto Parts Co., Ltd., Chengdu ThyssenKrupp Fawer Spring Co., Ltd., Pinghu ThyssenKrupp (Pinghu) Automotive Stabilizer Bar Co., Ltd., and Liaoyang ThyssenKrupp Fawer Spring Co., Ltd., earning high praise for its products and services. Furthermore, the company has exported its equipment to countries such as Turkey, South Korea, India, Brazil, Egypt, Dubai, Iran, Africa, Tunisia and Morocco. "Professionalism, precision, innovation, and integrity" are the development concepts that the company has always adhered to. While continuously strengthening its own scientific research capabilities, it has formed stable industry-university-research cooperation with many universities. It has been repeatedly rated as a high-tech enterprise and a specialized and innovative enterprise. In the future, the company will continue to deepen its research and development in the automotive leaf spring, automotive guide arm, automotive stabilizer bar and spring industry equipment, provide the spring industry with more professional, intelligent and sophisticated equipment products, and contribute to the high-quality development of the global automotive leaf spring, automotive stabilizer bar and hot-coil spring industries.

News

  • Company News Apr. 01. 2026

    The Specialized, Sophisticated, Innovative and Unique Benchmark in the Field of Automotive Spring Equipment

    With a professional and focused attitude, Wuxi Wei Neng NC Technology Co., Ltd. has created a legendary story of being specialized, sophisticated, innovative and unique in the field of automotive leaf spring, stabilizer bar and spring equipment.As a comprehensive enterprise integrating R&D, production, sales and service, Wuxi Wei Neng NC Technology Co., Ltd. has built a full industry chain product portfolio. It provides a complete range of products, including complete sets of equipment for automotive leaf springs and stabilizer bars, stabilizer bar end induction heating equipment, hot forming heating equipment, hollow bar resistance conduction heating production lines, secondary vulcanization production lines, and complete sets of hot coil spring equipment. The company can also customize complete sets of automatic induction heating production lines to offer customers one-stop solutions.
  • Company News Apr. 01. 2026

    The Technology Leader in Automotive Spring Automation Equipment

    On the precise track of auto parts manufacturing, induction heating and automatic forming technologies are the core keys to determining product quality and production efficiency. With 10 years of technological accumulation and innovative breakthroughs, Wuxi Wei Neng NC Technology Co., Ltd. has become a technology leader in the field of complete sets of equipment for automotive leaf springs, stabilizer bars and hot coil springs, injecting strong momentum into automotive spring manufacturing with cutting-edge technology.Having deeply rooted in the industry for a decade, Wuxi Wei Neng NC Technology Co., Ltd. fully understands the process pain points and technical demands of automotive spring manufacturing, and has created an industry-leading full-range product portfolio. Its core products cover three major fields: complete sets of equipment for automotive leaf springs, complete sets of equipment for automotive stabilizer bars, and complete sets of equipment for hot coil springs. Each type of product embodies the R&D wisdom and craftsmanship of the team.
  • Industry News Apr. 01. 2026

    Core Driving Forces Behind Technological Upgrades of Automotive Spring Equipment

    Technological upgrades of current automotive spring equipment are mainly driven by the in-depth transformation of the automotive industry toward electrification, lightweighting and intelligence, as well as the industry’s higher requirements for production efficiency, product quality and environmental protection. The superposition of multiple driving forces promotes continuous breakthroughs in equipment technology.With the rising penetration rate of new energy vehicles, the increased weight of batteries has driven a rapid surge in demand for suspension springs with larger diameters and higher strength. Traditional spring production equipment can hardly meet the requirements of durability and quality uniformity under high-load conditions. Meanwhile, the pursuit of longer cruising range in new energy vehicles has spurred a sharp demand for spring lightweighting. The application of new materials such as magnesium-aluminum alloys and composite materials has forced technological upgrades of spring equipment to adapt to the processing requirements of new materials. In addition, the popularization of 800V high-voltage platforms has raised higher requirements for springs in terms of signal compatibility and corrosion resistance, further driving spring equipment toward precision and customization.
  • Industry News Apr. 01. 2026

    Future Development Trends of Automotive Spring Equipment Technology

    Combined with the development trend of the automotive industry and technological innovation, future automotive spring equipment will further focus on precision, intelligence, flexibility and green development, while moving toward the direction of whole-industrial-chain collaboration and customized R&D. Specifically, it will present four major trends. First, continuous improvement of precision. As advanced autonomous driving imposes higher requirements on vehicle dynamic control accuracy, the manufacturing tolerance standards for springs will be further tightened. Future spring equipment will focus on optimizing precision control technology to achieve higher-precision dimensional control and mechanical performance regulation, while enhancing equipment stability and reliability to meet the production needs of high-end automotive springs. Second, in-depth integration of intelligence and informatization. Future spring equipment will further integrate technologies such as the Internet of Things, big data and artificial intelligence to realize full-process intelligent control of production. By collecting real-time production data, it will optimize process parameters, predict equipment failures, and improve production efficiency and product quality. At the same time, the equipment will realize informatized linkage with upstream and downstream production links, build a production system featuring whole-industrial-chain collaboration, and achieve integrated management from raw material procurement to finished product delivery.
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