Guide Arm Ear Curling Machine Supplier
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Guide Arm Ear Curling Machine
  • Guide Arm Ear Curling Machine

Guide Arm Ear Curling Machine

The guide arm ear curling machine is purpose-built for forming the circular pivot eyes (hinge holes) at both ends of automotive control arms (guide arms), combining end-section induction heating with mechanical eye-curling to roll the softened flat end into a closed or open circular eye profile — meeting the hinge assembly requirements between the control arm and the vehicle body or suspension system.
The end-heating unit employs medium-frequency induction technology for fast, precisely targeted localized heating of the control arm ends. The heat-affected zone is strictly confined to the eye-forming area, leaving the metallurgical structure and mechanical properties of the workpiece body fully intact, and ensuring the material has optimal plasticity during the curling operation.
To suit different production requirements, the machine is available in two configurations: a standard induction heating version for stable continuous production cycles, and a heat-accumulation induction heating version that stores thermal energy between heating intervals to reduce per-cycle energy consumption — offering enhanced efficiency for applications with higher energy-saving demands.
The eye-curling mechanism features high-precision tooling and a robust mechanical drive, completing the full eye form in a single stroke. The resulting eyes exhibit tight inner diameter tolerances, good roundness, clean end faces, and strong part-to-part consistency — meeting the exacting fit requirements for rubber bushing press-fitting and vehicle assembly.
The machine operates with a high degree of automation, with heating, feeding, and eye-curling sequences running in smooth coordination and at stable cycle times. Its compact footprint, absence of high-voltage hazards, safe operation, and straightforward maintenance make it well-suited to high-volume continuous production across multiple control arm specifications.









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Wuxi Weineng Automation Technology Co., Ltd.
Wuxi Weineng Automation 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. Guide Arm Ear Curling Machine Supplier in China. 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. Guide Arm Ear Curling Machine Factory in China.
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.

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