【百家话职教】 ◎科技日报记者 张景阳 通讯员 朱小萌 "我们应通过媒体、展览、公开课等方式，讲好航天工程、深海装备背后的制造故事，让公众认识到没 有技能人才，再好的设计也只是纸上谈兵。" 清晨，内蒙古第一机械集团桥箱公司的车间里还带着隔夜的凉意，特级技师闫文利已经换上深蓝色工 装，站在了他最熟悉的数控机床前。他要带领团队完成车桥主减速器壳体的最后一轮精度调试，这批零 件将用于国家重点装备项目。 闫文利盯着屏幕上的加工路径，突然抬手示意徒弟暂停："进给量调慢0.02毫米，主轴转速再降50 转。"徒弟愣了一下，刚想追问，却见闫文利俯身贴近正在运转的刀具，"你听，声音有点发颤，这是切 削力要超标的信号。"果然，调整参数后，机床的轰鸣声变得平稳，屏幕上的误差值稳定在了1微米以内 ——这个比头发丝直径还小的精度，正是闫文利从业23年来，刻进骨子里的标准。 作为全国技术能手、国务院政府特殊津贴专家、国家级技能大师工作室领办人，闫文利始终以"微米 级"的执着，在军工制造领域书写新时代工匠的创新答卷。 近日，科技日报记者对闫文利进行专访，探寻他从职校毕业生到国家级技能大师工作室领办人的成长路 径，并了解他如何通过技能创新， ...

Core Insights - The BICES 2025 Beijing International Engineering Machinery Exhibition was successfully held from September 23 to 26, showcasing Eddie Precision's technological innovations and solutions in hydraulic systems and engineering machinery [1][28]. Indoor Exhibition: Focus on Core Equipment Across Multiple Fields - Eddie's hydraulic exhibition area featured core products for excavators ranging from 1 to 200 tons, including main pumps, valves, motor assemblies, and electric hydraulic products, providing integrated solutions for global customers [1]. - Highlighted products included: - **FECV28F Valve**: Designed for 20-30t excavators, featuring independent control and real-time communication with the main machine's VCU and ECU, enhancing precision and energy efficiency [1]. - **FCV28CP02 Digital Multi-way Valve**: Also for 20-30t excavators, it offers dual closed-loop control for precise valve opening, with a response time of ≤80ms [2]. - **FHP70A High-speed Pump**: An electric high-speed pump with a response speed of 6500 RPM and a displacement of 70cc, designed for quiet and efficient operation in 20-30t excavators [3]. - **Power Splitter**: Suitable for 70-200t excavators, it features a modular design with high efficiency and durability, capable of handling extreme working conditions [6]. - **Complete Hydraulic System for 200t Excavators**: This system has been upgraded for a 15% energy saving, with peak pressure at 45Mpa and improved efficiency [7]. Outdoor Exhibition: High-end Engineering Machinery Attachments - The outdoor area showcased a full range of hydraulic attachments, including breakers, shears, and compactors, with a dynamic demonstration area highlighting the efficiency of quick-change functions [13][18]. - Notable products included: - **Pure Hydraulic Breaker**: Covers applications for 10-80 ton excavators, known for its high frequency, energy efficiency, and low noise [17]. - **Rock Drills**: Featuring new manufacturing techniques for higher impact efficiency [17]. - **Multi-functional Grabs**: Capable of breaking and transporting materials, with enhanced durability and efficiency [18]. Customer Engagement: Deepening Demand Connections - The exhibition attracted significant attention, with Eddie's sales team actively engaging with visitors to discuss product features and address specific business needs, fostering a lively interaction atmosphere [26]. Conclusion: Commitment to Industry Advancement - Eddie Precision's dual exhibition model effectively showcased its technological capabilities in hydraulic components, new energy batteries, and engineering machinery attachments, aligning with industry trends towards domestic substitution and green transformation [28].

Core Viewpoint - The 17th China (Beijing) International Engineering Machinery, Building Materials Machinery, and Mining Machinery Exhibition (BICES 2025) will take place from September 23-26, 2025, at the China International Exhibition Center, showcasing advancements in the engineering machinery sector [1]. Group 1: Exhibition Details - Eddie Precision will feature a dual exhibition area, combining indoor and outdoor spaces to provide a comprehensive display of high-quality technological achievements [6]. - The indoor pavilion (E3213) will highlight key hydraulic components suitable for various machinery, including excavators and agricultural machines, showcasing Eddie Precision's intelligent manufacturing and strong R&D capabilities [7]. - The outdoor area (N201) will present products such as hydraulic breakers and tunnel hammers, along with a real-world simulation of machinery operations, allowing visitors to experience the equipment's performance firsthand [9]. Group 2: Industry Insights - The engineering machinery industry may be on the path to recovery, with signs of improved performance and a shift to "National IV" standards starting December 1 [12]. - Excavator sales data indicates a significant increase in exports, with domestic sales declining for 13 consecutive months, raising questions about the industry's future [12]. - The industry is experiencing a warming trend, with improved operating rates reported in February, suggesting a potential rebound in demand [15].