In the wave of intelligent manufacturing, Qianhao Magnetic Electric and Visionbit Robotics have embarked on a deep collaboration, leveraging electro-permanent magnet technology as their core innovation. Together, they have jointly launched an AI-powered, 3D-vision-based intelligent material handling and sorting production line, successfully addressing the industry's longstanding challenges in the heavy machinery sector—namely, "multi-variety, small-batch, discrete manufacturing." This breakthrough has enabled leading enterprises like Sany Group and Zoomlion to achieve a leap-forward in production capacity. Moreover, this innovative model not only redefines the efficiency frontier for sorting heavy-duty components but also sets a benchmark for "software-hardware synergy" in the era of Industry 4.0.

Technological Breakthrough: Deep Integration of Electromagnetic Magnets and AI Vision

Within the smart factory of a major engineering machinery giant, Qianhao Magnetic Electric's electro-permanent lifting magnets seamlessly collaborate with VisionBit's 3D vision system, creating a fully automated sorting system that covers every stage of the process. Qianhao's electro-permanent lifting magnets utilize "Instantaneously activated, maintained with zero energy consumption" The technology can precisely grip specially shaped steel plates—ranging from 4.5 to 20 meters in length and 6 to 95 millimeters thick—in as little as 0.1 second, with a maximum single-lift capacity of up to 1.2 tons. Combined with Visbit's independently developed Multi-source Collaborative High-Precision Image Stitching Algorithm , the system can cover an ultra-wide 12-meter field of view, enabling millimeter-level recognition and positioning of faint slits and workpieces with complex contours.

Figure: Qianhao Dot-array Electro-Permanent Magnet Suction Cup Working in Collaboration with VisionBit Robot

Application Innovation: From Manual Gantry Cranes to Fully Automated Flexible Sorting

Traditional heavy-industry sorting relies on more than ten workers operating gantry cranes, resulting in low efficiency and significant safety risks. Qianhao-Visbit’s production line achieves a disruptive upgrade through three key modules:

1. Small-item dynamic sorting : Featuring a dot-matrix flexible end effector that enables adaptive gripping of workpieces ranging from 400mm to 10m in length, combined with an intelligent encoder algorithm, this solution boosts material bin space utilization by up to 40%.
2. Large-item collaborative handling : A double-layer truss structure combined with dual-arm collaborative technology enables the gripping of ultra-long workpieces exceeding 9 meters, achieving a sorting efficiency of 120 seconds per piece.
3. Precision Sorting of Entire Boards : Based on intrinsic image decomposition technology, it effectively filters out oil stains and dust interference, achieving a seam feature recognition accuracy of up to 0.15mm.

According to data from a leading enterprise, after the production line was put into operation Sorting capacity increased by 400% , labor costs were reduced by 80%, unplanned equipment downtime decreased by 29%, and the failure rate dropped by 70%.

Image: Qianhao Fully Covered Electro-Permanent Lifting Fixture (One-Time Full-Plate Cutting After Steel Plate Shearing)

Standard-Setting: Qianhao Magnetic Electric Participates in Drafting New Smart Transportation Regulations

Qianhao Magnetic Electric not only deeply cultivates technological applications but also actively promotes the development of industry standards. Its electric permanent magnet lifting devices, as a core component, have been incorporated into the group standard "Intelligent Heavy-Duty Steel Plate Transporter" (T/CSCMA 0019—2024), which sets forth the technical requirements and testing methods for heavy-duty transportation. Through this initiative, Qianhao Modular Magnetic Pole Design With Low-energy magnetic control , enabling flexible switching between single-sheet separation with a single suction and multi-sheet lifting with one-time multiple-suction operation, thus providing a unified technical reference for the industry.

Future Blueprint: From Heavy Industry to Intelligent Expansion Across All Sectors

Currently, the Qianhao-Visbit production line has been successfully implemented in bulk across fields such as shipbuilding and the automotive industry. The two parties are jointly developing new technologies. Magnetic-Vacuum Hybrid Tooling Technology , the goal is to overcome the challenge of flexibly sorting non-magnetic materials such as aluminum. Ji Chunkun, Chief Architect at VisionBit, stated: "By combining Qianhao's electro-permanent magnets for rigid adsorption with the vacuum system's flexible compensation capability, we aim to achieve unified sorting of multi-material workpieces by 2026."

Conclusion

The collaboration between Qianhao Magnetic Electric and VisionBit marks the entry of the "permanent magnet-based hard-tech + AI-driven soft-power" integration model into a mature stage. From Sany Group's pioneering breakthrough to the industry-wide push toward standardization, this intelligent material-cutting and sorting production line has not only reshaped the production logic of heavy industrial manufacturing but also provided core equipment support for China's global competitiveness in smart manufacturing.

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