On January 6, 2008, the Chinese Academy of Sciences reported that Shenyang Xinsong Robot Co., Ltd. successfully completed the development of an independent "grinding and polishing robot system." This advanced robotic system is designed for use in a wide range of applications, including cockpit transparent components, molds, and various parts such as turbine blades. Its versatility makes it highly promising in industrial manufacturing and repair operations.
The polishing system features a five-axis frame machining robot, a high-precision servo turntable, a sophisticated robot control system, and a thickness detection mechanism. It enables precise and high-quality grinding and polishing on workpieces of different shapes and sizes. The system can also detect thickness and measure forces and moments at the robot's wrist, ensuring the safety of delicate parts while enhancing overall polishing quality.
Over the past year, researchers have made significant progress in several key technologies. They developed flexible online space free-form surface thickness detection, high-precision robot control, and a laser structure light detection system. These innovations allow for accurate visual measurement of complex surfaces using high-precision robotic systems. Additionally, they addressed challenges in trajectory planning, error compensation, and large-scale machining robot performance. After rigorous testing, the system met all technical specifications outlined in the agreement.
According to the research team, the system has achieved multiple technological breakthroughs. Advanced vision measurement and high-recision wrist force sensing enable the system to perform 3D digital-analog reconstruction of curved transparent shells based on part geometry. This ensures high accuracy in surface reconstruction and consistent motion repeatability. To enhance system reliability, a multi-CPU processor architecture was implemented. The system supports both teaching box and offline programming methods, with options for point-to-point or continuous path control. It also provides real-time display of coordinates, joint values, measured data, and attitude information.
During operation, the system first determines the processing strategy and instructions, then performs grinding and polishing by measuring the workpiece, reconstructing its surface, and calculating vectors and thickness. Intelligent sensor technology helps protect the integrity of processed parts. The system integrates interactive and automatic processing, online detection, simulation of the process, and monitoring, management, and diagnostic functions. Its intelligent software is now ready for commercial use, offering user-defined settings, a flexible interface, and adaptability to different parts and online measurement tasks.
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