September 9，《People's Daily》Open“Strive for the road to a powerful country Striding a new journey”Column，It vividly shows the 75 years since the founding of New China, especially since the 18th National Congress of the Communist Party of China.，All walks of life in our country、Great changes in various fields，Encourage the broad masses of cadres and masses to unite more closely around the Party Central Committee with Comrade Xi Jinping as its core，Cohesion、Work hard and forge ahead，Write a more brilliant chapter in the new journey of promoting Chinese-style modernization。
September 11
《People's Daily》
“Striving for a Powerful Country and Striding a New Journey”Column
Focus on Railway Construction Heavy Industry
Tackle the key core technology of the main bearing of Shield Machine
Build a Great Power and Heavy Weapon China“Heart”
Help China's manufacturing transformation and upgrading
The full text is as follows
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Looking at the Transformation and Upgrading of Chinese Manufacturing from Two BearingsManufacturing power speeds up to become a manufacturing power（Striving for a Powerful Country and Striding a New Journey）Manufacturing，It is the foundation of the country.、The foundation of a powerful country。Multiply“Number”And up、To“New”And go，The transformation and upgrading of China's manufacturing industry is in full swing.。General Secretary Xi Jinping stressed，“At any time, China can not lack manufacturing industry.”“We must unswervingly make the manufacturing industry and the real economy stronger, better and bigger.”“Speed up the construction of a strong manufacturing country”。
Bearing，Industrial“Joints”。In June this year，Fujian Zhangzhou Liuao Offshore Wind Farm，16 MW Wind Turbines with domestic main shaft bearings are operated in batches、Full capacity grid connection。Jiangsu Suzhou Metro Line 6，Equipped with domestic 3-meter main bearings“China Railway 872”New contributions made by Shield Machine。Two bearings，From scratch、From having to excellent，It reflects the growth of Chinese manufacturing in the past 75 years since the founding of New China.、A solid step from big to strong。Have the most complete industrial system in the world，The overall scale of manufacturing industry ranks first in the world for 14 consecutive years.，The output of more than 220 products ranks first in the world.……Made in China shows a solid foundation.、Innovation kinetic energy、Surging vitality，To provide strong support for promoting Chinese-style modernization。
From the Complete Industrial System to See the Solid Foundation of Made-in-China
General Secretary Xi Jinping stressed：“Manufacturing is the lifeblood of the national economy.”“Our country is a big country.，We must develop the real economy.，Continuously promote industrial modernization、Improve the level of manufacturing industry”。Luozhou Group is a main shaft bearing manufacturer of 16 MW Wind Turbines.，Party Secretary of the Group、Chairman Wang Xinying said frankly：“More than 10 years ago，High-end bearings we also‘I can't touch it’，But no matter how hard it is, we have to gnaw down this piece.‘Tough bones’。”“Strong internal strength”，Set up innovative platforms such as state key laboratories；“By external force”，Close cooperation with institutions of higher learning such as Tsinghua University。From New Energy Vehicle Bearing to Wind Power Spindle Bearing，And then to rail transit bearings.，Luozhou's new products are off the production line one after another，Apply to“Moon Goddess”“Heavenly Palace”“China Sky Eye”And other major equipment.。Luo shaft handle“A class of products”To the extreme，China Railway Construction Heavy Industry Co., Ltd. specializes in Shield Machine“A product”。Research and development of main bearings，Make up for the localization of shield machine industry chain“The last piece of the puzzle.”。2019，Railway Construction Heavy Industry has set up a special research and design Institute.，After more than 1000 days and nights, the main bearing of the 9-meter shield machine was successfully developed.。
Main bearing of the world's largest diameter shield machine“This is the largest diameter in the world.、Main bearing of shield machine with the highest bearing capacity，It can be used by the largest shield machine in the world.。”Liu Feixiang, chief scientist of Railway Construction Heavy Industry, sighed with emotion.，“In the past, what kind of equipment was used and what kind of work was done?，What kind of work is needed now?，What equipment can we make?。”
Behind the two bearings，It is the solid foundation of China's complete manufacturing industry system.。1949，The First Furnace of Molten Iron in New China Galloped Out of Anshan Iron and Steel Company，Nowadays，China has been the world's largest steel producer for 28 consecutive years.，“Hand-torn steel”Constantly set new world records；1956，The first Jiefang Truck drove off the FAW production line.，Nowadays，China's automobile production and sales have ranked first in the world for 15 consecutive years.，Production and sales of new energy Vehicles ranked first in the world for nine consecutive years.。From“I can't build it”To“It can be made”And then to“It's well built”，It took us decades to complete the industrialization process of developed countries for hundreds of years.，The manufacturing industry has 31 categories.、179 medium categories and 609 subcategories，The most complete industrial categories in the world、The most complete industrial system，Industrial chain、Supply chain resilience and competitiveness continue to improve。2023，Manufacturing value added as a proportion of GDP 26.2%，Accounting for about 30% of the world's total%。Have a strong body、The muscles and bones are strong，Today's Made-in-China has a rock-solid foundation and confidence.。
Looking at China's Manufacturing Innovation Kinetic Energy from the Perspective of Industrial Chain Synergy
General Secretary Xi Jinping stressed：“The core of manufacturing industry is innovation.，It is to master the key core technology.，We must rely on our own efforts.，Strive for it by independent innovation”。Breakthrough of the main bearing of the 9-meter shield machine，Behind it is a raw material.、Industrial mother machine、Engineering application and other links jointly participate in innovation.“Relay”——“Uncrushable、It won't wear out”，The material must be hard enough first.。Take the main bearing ring gear as an example.，8 mm thick layer，Rockwell hardness shall be greater than 58，Conventional medium carbon bearing steel is far from the standard.。What to do？Cooperation between Railway Construction Heavy Industry and Universities，After more than two years.、More than 30 groups of experiments、Millions of fatigue tests，Lecting the optimal steel element ratio。Many iron and steel enterprises，After dozens of technical discussions and tests，Turn a recipe into a product。With the material，And precision machining。Start R & D in 2020、Product offline in 2022、The localization rate is over 90%，The domestic 9-meter high-speed CNC gear Milling Machine developed by China Railway Construction Heavy Industries and its partners，The power-assisted main bearing rolled off the production line smoothly。
Research and development of 16 MW wind power main shaft bearing in shield machine production workshop，It is also inseparable from the relevant parties.“Group operations”。
“Main shaft bearing of large megawatt Wind Turbine，No references available。Critical moment，Operation data of various types of wind turbines sent by the host manufacturer Goldwind Technology，Solved‘Urgent need’。”Yao Dong, Minister of Wind Power Department of Luozhou Sales Corporation, sighed with emotion.，“ pull together in times of trouble 、Collaborative innovation，Made in China has unlimited possibilities.。”Financing and innovation of large and medium-sized enterprises，All parties of production, teaching and research work together，The big plane flies in the blue sky.、High-speed maglev flying close to the ground、Domestic large cruise ships put into commercial use……A large number of major landmark innovations have led Made-in-China to new heights.。2023，The added value of high-tech manufacturing industry accounted for 15% of the regulated industrial added value.7%，6% higher than 2012.3 percentage points。Weed out the old to bring forth the new，Upgrade traditional industries；Every day is new，Expand emerging industries；Focus on the leading edge，Layout of future industries……China Develops New Quality Productive Forces According to Local Conditions，Constantly shaping new momentum and new advantages for development。At present，Strategic emerging industries account for about 13% of GDP%，The number of high-tech enterprises in China has reached 46.30,000。Strive to climb with the spirit of self-improvement，Made in China Today，Everywhere is the ever-changing creation.。
From high-end、Intelligent、Looking at the Surging Vitality of Chinese Manufacturing from the Perspective of Greening
General Secretary Xi Jinping stressed，“Promote high-end manufacturing industry、Intelligent、Green development。”Overall promotion，High-end layout，Bearing products continue“Shang Xin”：March 10，Bearing of Changbaishan 40m Radio Telescope Developed by Luoyang Axis Passed Acceptance Test，In the future, the radio telescope will be accurate for lunar probes.“Lead the way”。March 14，The World's First 25 MW Wind Power Spindle Bearing Successfully Rolled off the Production Line in Luoyang Shaft Research Technology，Refresh the record of the largest single unit capacity of wind power bearings in the world。The product is more high-end，Production should also be more intelligent.。Entering the assembly workshop of Changsha Second Industrial Park of Railway Construction Heavy Industry，A reality workshop，A digital workshop，Online and offline，Real-time synchronization。“Look，This is a group of digital twin pictures of the front of the shield machine cutter head.，The different shades of color represent the force on the blade.、Wear condition。”Wang Yongsheng, deputy director of Digital Twin Research Institute of Railway Construction Heavy Industry, said.，Analyze this data in real time，Engineers can target and optimize the next generation of products。
Digital twin picture of shield machine“Two bearings”It's a microcosm。Continue to promote industrial optimization and upgrading，Made in China has made great achievements。
To“Smile curve”Climb at both ends。Mass production of power battery monomer energy density of 300 watt-hours per kilogram，It is in the leading international level.；Crystalline silicon—Perovskite tandem cell efficiency up to 34.6%，Repeatedly set new world records；New energy Vehicles、Lithium battery、Photovoltaic products“Three new things”The annual export exceeded the trillion yuan mark.……Made in China Accelerates to the Middle and High End of Global Industry。To“Number real fusion”Deep March。The popularization rate of digital R & D and design tools in key industrial enterprises reaches 80.1%，The numerical control rate of key processes is up to 62.9%，Industrial Internet achieves full coverage of industrial categories……Industrial digitalization、The pace of digital industrialization is accelerating.。To“Green and low carbon”Keep working hard。Promoting green and low-carbon transformation、Constructing Green Manufacturing System、Cultivate and strengthen green industry……“Fourteen five”The first two years，Energy consumption per unit of industrial added value above designated size decreased by 6 percent.8%。，Duration 00:54 Aim“High Tech”、Pursuit“High efficiency”、Step towards“High quality”，Made in China Today，Reveal a new look，Open a new space，Agitate new vitality。
“We will focus on promoting new industrialization.、Develop new quality productive forces、Maintain a reasonable proportion of manufacturing industry，Building a strong manufacturing country and developing digital economy、Organic combination of industrial informatization，Speed up the construction of a modern industrial system with advanced manufacturing as the backbone。”Party Secretary of the Ministry of Industry and Information Technology、Minister Jin Zhuanglong said。Source of content：People's Daily China Railway Construction Corporation official micro
