The automatic winder is one of the most advanced textile machines, often referred to as the "jewel in the crown" of the industry. As demand for high-quality textiles continues to grow, these machines have become essential equipment in textile mills worldwide, offering a promising market outlook. However, due to their complex design and high manufacturing standards, only a few countries—primarily Germany and Italy—have been able to produce them. Japan is also among the few that can develop and mass-produce such machines independently.
In the early 1990s, to meet the growing need for seamless yarn production, Pacific Electromechanical Shanghai Second Textile Machinery Co., Ltd. partnered with the German Schlafhorst Group to introduce and manufacture the AC238 automatic winder. While this collaboration provided valuable knowledge and experience, it did not fully meet expectations when Schlafhorst launched a new generation of winders in the Chinese market. This prompted the company to realize the importance of independent innovation and the need to develop its own intellectual property.
Starting in 1999, Pacific Electromechanical began designing and manufacturing the EJP438 automatic winder, aiming to reach global standards. The machine incorporated advanced technologies like sensor systems, microelectronics integration, and specialized motor drives, enabling modular design of the winding unit. After four years of dedicated effort, the first self-designed, fully autonomous winder with independent intellectual property passed production evaluation in September 2003. This marked a major milestone, allowing the company to produce automatic winders on its own.
From 2003 onward, the company began preparing for commercial mass production, establishing a dedicated workshop for design, procurement, and assembly. Several prototypes were tested in Chinese winding mills, where they outperformed similar equipment from Germany, Italy, and Japan. The EJP438 demonstrated exceptional performance, achieving 98% machine efficiency, 100% splicing success rate for three splices, and 95% for single splices. It also showed a fixed-length average error of just 0.9% and a coefficient of variation (CV%) below 1%.
The EJP438 quickly gained popularity at international textile machinery exhibitions. At the 2006 Shanghai International Textile Machinery Exhibition, several customers expressed strong interest in purchasing the prototype. Today, Pacific Electromechanical Shanghai Second Textile Machinery has established full-scale production capabilities for the EJP438. With a well-organized assembly process, modular design, and precise manufacturing, the company ensures product consistency, stability, and reliability.
A trial production line for the EJP438 is now operational, with plans to launch small-volume products by year-end. According to Li Peizhong, president of Pacific Electromechanical Group and general manager of Shanghai Second Textile Machinery, at the 2006 Beijing International Textile Machinery Exhibition, the company signed contracts to supply at least 100 EJP438 winders in 2007. This marks a significant step forward in China's journey from "Made in China" to "Created in China."
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