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Fully automatic busbar punching and cutting line: a precise blade for intelligent manufacturing of power equipment


25 Jul,2025

Fully Automatic Busbar Punching and Cutting Lines: The Precision Blade of Intelligent Manufacturing for Power Equipment
I. Technological Innovation: The Leap from Standalone Processing to Intelligent Production Lines
Fully automatic busbar punching and cutting lines, core equipment for copper and aluminum busbar processing in power systems, are evolving from standalone operation to fully automated processes through multi-axis linkage technology and intelligent integrated systems. Shandong Kruite's KR-8000 series, for example, utilizes a Siemens six-axis servo control system and a dual-column, dual-blade shearing mechanism, achieving positioning accuracy of ±0.05mm and repeatability of ±0.03mm, representing a 167% improvement in efficiency compared to traditional equipment. The equipment directly imports 3D drawings to generate processing programs using proprietary CAD/CAM software. Punching and cutting a single 10mm thick copper busbar takes just 12 seconds, increasing the processing yield from 85% to 99.2%.

Core technological breakthroughs are reflected in three areas:

High-precision motion control and multi-station integration: Germany's Benn's BP-6000 machine utilizes a German-style fixed edge clamp design, capable of reliably processing narrow busbars as small as 10x3mm. Combined with an eight-position turret punching unit, it offers automatic die selection in ≤5 seconds and hole pitch control accuracy of ±0.1mm. Jinan Zhenjie's ZJ-5000 series utilizes a gantry-style mechanical structure to enable simultaneous punching, shearing, and chamfering operations, reducing the processing cycle for a single workpiece to 40 seconds, a 50% improvement over traditional equipment.

AI visual inspection and process optimization: The deep learning-based AI vision system identifies punching position deviations in real time. Using edge gradient analysis and illumination compensation algorithms, it increases burr detection accuracy to 99% and reduces defect rates by 40%. The machine's onboard intelligent control system automatically optimizes processing paths, reducing energy consumption by 18% and achieving an oil mist recovery efficiency of ≥98%. Modular and safe design: Shandong Lijian's LJMA-1600 features an interchangeable spindle flange design, reducing mold change time to 15 minutes and is compatible with both oil-immersed and dry-type transformer busbar processing. A fully enclosed protective cover (IP54 protection) and a photoelectric interlock device reduce the incidence of mechanical injuries by 82%.
II. Application Scenario: Precise Adaptation of the New Energy Revolution and Power Infrastructure
The new energy sector has become the fastest-growing market. With the widespread adoption of TOPCon battery technology, demand for copper busbar processing for photovoltaic inverters has surged. Pinggao Electric's fully automatic punching and cutting line, designed specifically for plastic-coated copper busbars, uses segmented mold optimization to ensure the plastic layer is not damaged during processing. It has been mass-produced on energy storage system production lines, with a single-shift capacity of 800 pieces, a 50% increase compared to traditional equipment. In the new energy vehicle sector, the global copper-aluminum busbar market is expected to reach 45 billion yuan in 2025, driving a 4.2-fold increase in procurement of processing lines with laser positioning capabilities over the past three years.

Power infrastructure remains the largest application market. The construction of ultra-high voltage power grids has driven a 22% increase in the production capacity of 800mm wide processing lines. Smart grid transformation requires equipment to have processing data traceability capabilities, and the penetration rate of IoT modules is projected to increase from 34% in 2023 to 51%. Qingtuo Heavy Industry's new energy mining truck frame production line utilizes five-machine, three-sided punching technology, achieving hole pitch tolerance within ±0.1mm and over 1,000 hours of salt spray testing, contributing to breakthroughs in the localization of new energy equipment.

III. Market Landscape: A Dual Track of Domestic Rise and International Competition

The market size of fully automatic busbar punching and cutting lines in China is expected to exceed 2.5 billion yuan by 2025, with a compound annual growth rate of 18%, showing significant regional concentration. The Yangtze River Delta region holds a 47.3% market share. Jiangsu companies have a significant advantage in high-precision CNC systems, with average product accuracy reaching ±0.02mm, 30% higher than the industry average. With a 70% domestic market share, Shandong Korite's intelligent production line has been recognized as Shandong Province's first set of technological equipment. Its core equipment has been exported to over 20 countries, including Southeast Asia and the Middle East.

Foreign brands still dominate the high-end market. Germany's TRUMPF's processing lines achieve a precision of ±0.01mm, but the unit price is as high as 2.8 to 3.5 million yuan, primarily serving the aerospace and other sectors. Domestic brands are seizing the mid-range market through differentiated strategies: Jinan Rongruida's equipment is priced at only 60% of that of foreign brands and offers 24-hour on-site service. It holds over 35% market share among high and low voltage distribution panel manufacturers. Policies are accelerating domestic substitution, with Jiangsu Province offering a 30% subsidy to companies purchasing high-end equipment, up to 500,000 yuan per unit.

IV. User Value: The Dual Dividend of Efficiency Leaps and Quality Revolution
Production efficiency has significantly improved. After adopting a CNC punching and shearing line from Krete, a high- and low-voltage switchgear manufacturer increased its single-shift production capacity from 80 to 200 pieces, saving 20,000 yuan in monthly labor costs and successfully fulfilling peak season orders for 1,500 units. Germany's Benn's BP-6000 equipment achieves fully unmanned operation, with a single workpiece processing cycle of just one minute and noise levels below 60 decibels, significantly improving the workshop environment.

Quality stability has become a core competitive advantage. Jinan Rongruida's equipment operates 24 hours a day without any problems, maintaining a punching diameter error within ±0.05mm, a 50% improvement over the industry average. This has directly reduced the customer rework rate from 15% to 2%. The equipment's standardized anti-wear hydraulic oil replacement and fully enclosed protective covers have reduced the incidence of mechanical injuries by 82%.

V. Future Trends: Deep Integration of Intelligent and Green Manufacturing
The in-depth application of AI and the Internet of Things will become a technological high ground. Siemens' next-generation control system has achieved automatic machining path optimization. Through its predictive maintenance module, it has increased the accuracy of mold wear cycle prediction to 90%, reducing maintenance costs by 25%. The trend toward green manufacturing is evident, with the proportion of models with oil mist recovery efficiencies ≥98% expected to increase from 41% in 2023 to 68% in 2025. Shandong Lijian's DGWMX series, with its energy-saving hydraulic system, reduces energy consumption by 18% compared to traditional equipment.

Modular and shared manufacturing models are emerging. Regional shared machining centers account for 7.8% of equipment investment. Small and medium-sized manufacturers can lease high-end machining lines and reduce fixed asset investment. In the future, with the application of 5G and digital twin technology, equipment will enable remote diagnosis and virtual commissioning. It is expected that the proportion of intelligent equipment will exceed 55% by 2025, driving the industry's transformation from "manufacturing" to "intelligent manufacturing services."

Conclusion
Fully automatic busbar punching and cutting lines, as the "precision blade" of power equipment manufacturing, are evolving in close tandem with market demand. From traditional hydraulic drive to full servo intelligent control, and from manual inspection to AI visual correction, the industry is undergoing a transformation from "tool" to "intelligent platform." Driven by the dual forces of the new energy revolution and digital transformation, equipment with high precision, high reliability, and high intelligence will become the core of corporate competitiveness. In the future, with the deep integration of AI and IoT technologies, fully automated busbar punching and cutting lines are expected to further break through the limits of efficiency and precision, injecting new momentum into the upgrade of global power infrastructure.