Dalian Tianfa Automation Machinery Manufacturing Co., Ltd. has successfully developed an "automatic assembly technology for ball slewing bearings," replacing the traditional manual process of assembling steel balls and spacers. This innovative technology has recently passed rigorous testing and is now in the final stages of patent approval, with the State Intellectual Property Office officially accepting its application.
Slewing bearings are essential components in heavy machinery, capable of withstanding significant axial, radial, and tilting loads. They are widely used in industries such as wind power, construction, mining, port operations, marine equipment, and defense systems. For years, the assembly of these bearings relied heavily on manual labor, which was not only time-consuming and physically demanding but also prone to inconsistencies in quality.
Since the end of last year, Dalian Tianfa has invested heavily in research and development, assembling a team of technical experts across multiple disciplines. Through extensive industry analysis, data collection, and project evaluation, they explored five different approaches before selecting the most promising one. To ensure accuracy, they designed and manufactured numerous test fixtures and instruments, integrating PLC control systems and pneumatic mechanisms to address critical challenges—such as guiding steel balls and spacers into the raceway through the ball-filling port.
After more than six months of development and over 50 trials, the system was finally perfected. Using 13/8-inch steel balls and their corresponding spacers as a case study, the new technology reduces assembly time by 50% compared to manual methods. The results show that the automatic system offers high efficiency, cost-effectiveness, and superior precision.
What’s even more impressive is the integration of automatic grease injection and multi-parameter monitoring based on this technology. When combined with system monitoring software, it enables real-time data storage and processing, significantly enhancing product quality and user experience. This breakthrough marks a major step forward in the automation of complex mechanical components and sets a new standard for the industry.
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