On January 6, 2008, the Chinese Academy of Sciences reported that Shenyang Xinsong Robot Co., Ltd. successfully developed an independent "grinding and polishing robot system." This advanced system is designed for use in cockpit transparent components, molds, and various parts such as blades, offering significant potential across multiple industries.
The polishing robot system features a five-axis frame machining robot, a high-precision servo turntable, a robot control system, and a thickness detection system. It is capable of performing high-quality and precise grinding and polishing on workpieces with different shapes and sizes. The system also supports real-time thickness measurement, load force, and moment detection at the robot's wrist, ensuring the protection of delicate parts and enhancing overall polishing quality.
Over the past year, researchers have made remarkable progress in several key technologies, including flexible online space free-form surface thickness detection, high-precision robot control, laser structure light detection systems, and high-precision visual measurement based on robotic platforms. They also addressed challenges related to trajectory planning, error compensation for large-scale machining robots, and system integration. After rigorous testing, the system met all technical specifications outlined in the agreement.
According to the research team, the system has achieved numerous technological breakthroughs. Advanced vision measurement and positioning, along with high-precision wrist force sensing, allow the system to accurately reconstruct the 3D shape of curved surfaces on transparent shells. The surface reconstruction accuracy aligns with the motion mechanism’s repeatability. To enhance system reliability, the team implemented a multi-CPU processor structure. Additionally, the system supports both teaching and offline programming, as well as point-to-point or continuous path control. It provides real-time display of coordinates, joint positions, measured values, and attitude and error data.
In practical operations, the system first determines processing methods and strategies, then measures the workpiece, reconstructs its surface, and calculates vectors and thickness before starting the grinding and polishing process. Intelligent sensor technology ensures the safety of the processed parts. The system combines interactive and automated processing, online detection, process simulation, and functions for monitoring, managing, diagnosing, and maintaining the robot system.
The intelligent software of the robot system has reached commercial application standards. It is user-friendly, customizable, and allows for easy maintenance and updates. With a flexible human-machine interface, it adapts to various parts and offers online measurement and intelligent processing capabilities, making it a versatile solution for modern manufacturing needs.
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