In 1953, 19-year-old Duan Zhengcheng became the first college student recruited after the establishment of Huazhong Institute of Technology. He graduated in 1957 and stayed at the school to teach, taking root in Yuyuan ever since.
When Huazhong Institute of Technology was first built in the 1950s, "a large cafeteria was divided into many grids with bricks, and each grid was a classroom." Students also regarded the voice as an indicator of the teacher's quality. Duan Zhengcheng and his classmates had to participate in infrastructure construction work during holidays, often planting trees in the morning and working at the construction site in the afternoon. Now there are bricks I picked on the second and third east floors."
Memories Recalling the years when the school was founded, Duan Zhengcheng said with emotion: “Although life is hard, it tempers people’s will. And precisely because of my personal participation, I have a special sense of honor and am willing to make my own efforts for the development and growth of the school. ”
Duan Zhengcheng’s college life was fulfilling and colorful. In addition to studying hard, the 1.8-meter-tall man soon became the first captain of the school’s basketball team, specializing in guard.
In 1954, the basketball team won the Hubei Provincial Championship.
Before he could change his jersey, Zhu Jiusi, then secretary of the party committee of the academy, stopped the captain Duan Zhengcheng and asked: "Your study." How were the results? ”
“It’s okay. "Duan Zhengcheng was a little nervous, although his grades were not bad.
"It's OK or not. "Zhu Jiusi said seriously, "Hua Gong aims to cultivate students with all-round development, not just as long as you can play ball. As the team leader, you will show me the academic performance of each team member in the future. "
This conversation left a deep impression on Duan Zhengcheng, "Later on, Secretary Jiusi always paid great attention to my studies and work. Even when I visit him after he retires, he always urges me to work hard and make scientific research bigger and stronger. All this made me feel that if I couldn’t study or do well, I would be sorry for the school and him. "
The united and harmonious environment and atmosphere of the school has always been what Duan Zhengcheng misses the most, "Huazhong Institute of Technology in 1953 was formed by merging some majors from several schools. Since its establishment, school leaders have attached great importance to creating an atmosphere of unity and collaboration. Although the teachers came from different schools and different majors, the caring and mutual help between them deeply affected our group of students. When people unite, mountains will move. This is a fertile ground for cultivating talents and achieving careers. ”
“The School of Mechanical Engineering has always been committed to cultivating graduates who are ‘down-to-earth, pragmatic and realistic’. As teachers, we ourselves must first be conscientious and down-to-earth. " Duan Zhengcheng recalled that he and his classmates conducted their graduation project at the Nanjing Machine Tool Factory. At that time, there were also students from 6 famous universities across the country interning in the factory. When the graduation project was completed half a year later, the students from the school designed drawings The quality ranks among the best. The hard-working and serious work style, meticulous work attitude and conscientious work spirit of the school's teachers and students have left a deep impression on the factory and the teachers and students of the sister schools.
From childhood to adulthood. , from weak to strong, the School of Mechanical Engineering has now taken a leading position in the domestic machinery industry. Duan Zhengcheng, who has witnessed this leap-forward development, believes that the development of the school to its later scale is not due to any one person, but to all the faculty and staff of the school. The result of unity, cooperation and concerted efforts among workers. As President Li Peigen summed up: Striving, Teamwork, Agility and Responsibility have constituted the college’s STAR culture, “and These have laid a solid foundation for our team to achieve great results."
After graduating from the metal cutting machine tool and tool major in 1957, Duan Zhengcheng stayed in the Department of Mechanical Engineering as a teacher. Focusing on automated processing In the research direction of technology and equipment, he and his team members are constantly moving forward on the road of scientific research, from the initial research on single-machine automated processing, to multi-process automated processing, to CNC processing, to multi-disciplinary digital processing, one step at a time.
In 1979, Duan Zhengcheng became the director of the Mechanical Automation Teaching and Research Office. As an academic leader, his mission was to sail the teaching and research office into wider and deeper waters.
“If you engage in scientific research, you may not achieve any big results in ten or twenty years, so you must not be impetuous or eager for quick success. If you choose the right goal, you must persevere for a long time and be persevering. Only in this way can we achieve great results." Duan Zhengcheng has a particularly profound understanding of the meaning of persistence. He vividly said: "You must endure loneliness when doing research, and you cannot be shaken by an external impulse."
Duan Zhengcheng also attaches great importance to team spirit in scientific research. He often emphasizes that a major research project is difficult to complete by one person alone and requires the unity and cooperation of everyone. Everyone must establish the service consciousness of "I am for everyone, everyone is for me", so as to create a harmonious environment and an atmosphere of unity. There can only be mutual understanding and tolerance between teachers and students, colleagues and classmates. , can we cooperate better and make faster progress.
In 1993, the Institute of Manufacturing Automation of the School of Mechanical Engineering, where Duan Zhengcheng was the director, was rated as a "National Advanced Group" and won the "National May Day Labor Award". In the same year, he was named the National Outstanding Teacher.
In 1996, Duan Zhengcheng’s research group began to cooperate with Shenzhen Aowo International Technology Development Co., Ltd. and other units, and intensively carried out the research and development of a stereotactic gamma ray whole-body treatment system. In 1999, the world's first large-scale radiotherapy equipment "original" from China, the whole-body gamma knife, was launched. The whole-body gamma knife can rotate and dynamically focus, so that the gamma ray focus is aimed at the precisely positioned tumor, and high-dose gamma ray irradiation is performed to kill tumor cells and greatly reduce the damage to normal tissues and organs of the human body. damage.
In 2005, the project "OUR-QGD Stereotactic Gamma Ray Whole Body Treatment System (Whole Body Gamma Knife)" won the second prize of the National Science and Technology Progress Award.
Its products have been used in 62 large hospitals in 25 provinces (cities) across the country. By the end of 2008, more than 130,000 body tumor patients had been treated.
“The harmonious cooperation of the team allowed us to turn our ideas into reality.” Duan Zhengcheng said, “This is one of the important reasons for success.” The result “OUR-QGD Stereotactic Gamma "Ray whole-body treatment system (whole-body gamma knife)" won the second prize of the National Science and Technology Progress Award in 2005.
Talking about his team, Duan Zhengcheng is very proud, "Good scientific research results often require the joint efforts of several generations. What I have to do is to create a harmonious and united atmosphere for them. , to maximize their potential."
In 2003, 2005, and 2008, he and his team members won the second prize of the National Science and Technology Progress Award three times.
In February 2009, Duan Zhengcheng went to Beijing to participate in the National Science and Technology Award Conference. Sitting in the first row of the venue, he couldn't calm down for a long time. The 2008 award-winning project "High-Precision and Efficient Grinding Technology and Series of Complete Equipment for High-Performance Engine Crankshaft" has required team members to work hard for thirty years.
Since 1977, their team has been cooperating with the factory to conduct research and development on the theory and processing equipment of crankshaft grinding processing technology. They are determined to develop and produce China's own high-precision automobile crankshaft manufacturing equipment. In 1979, they took the initiative to enter the Xiaogan Machine Tool Factory, where they ate and lived with the workers and worked side by side with the technicians. In 1983, they finally took the lead in developing and producing the first CNC high-speed full-axis automatic crankshaft grinder in China, and applied for a national technology patent, filling the gap in domestic similar products.
In the following years, Duan Zhengcheng and his team members continued to upgrade equipment according to market demand to maintain the advanced level of products in the country. Well-known companies such as Yuchai Machinery Manufacturing Factory, Beijing Internal Combustion Engine Factory, and Northern Curved Roller Co., Ltd. have signed orders with them.
After hard work, the team led by Duan Zhengcheng carried out a series of process innovations, mechanical system structure innovations and grinding process control innovations to address the technical problems existing in the high-precision and high-efficiency grinding of the crankshaft. It is the first company in China to develop 3 series and 6 models of CNC crankshaft grinding machines.
The automobile crankshaft grinding machines produced in my country have their own intellectual property rights.
Compared with similar equipment produced abroad, some have simpler structures and are only about half the price of imported equipment, which greatly reduces the production cost of automobile crankshafts.
Since 1983, this product has been sold to more than 13 provinces (cities) including Beijing, Liaoning, Shandong, Jiangsu, Zhejiang, Sichuan, Henan, Guangxi, and Shanxi, and has been used by 23 companies.
Similarly, Duan Zhengcheng and his team members began arduous research in 1985 in view of the current situation that my country's high-end laser processing equipment basically relied on imports in the 1980s and 1990s. After hard work, the research team broke through the traditional processing method of the edge to be welded of laser welded blanks at home and abroad, solved the problem of online laser cutting and welding using one optical path, invented a new combined laser cutting and welding processing method, and presided over Developed 14 types of domestic first (sets) of laser processing equipment. Its products have been used in large key enterprises such as Shenlong Automobile, Dongfang Electric, Shengli Oilfield, Chengdu Aircraft, and Sany Heavy Industry, and exported to 8 countries including the United States, India, Brazil, Australia, and Pakistan. In 2003, the project "High Power Laser Cutting, Welding and Cutting and Welding Combination Processing Technology and Equipment" won the second prize of the National Science and Technology Progress Award.