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CK9555 high-power marine diesel engine piston processing variable elliptical lathe" project passed the acceptance

Release time:2023-09-29 Visits:464 source:本站


 

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On December 7, 2017, the project of "CK9555 high-power marine diesel engine piston processing variable elliptical lathe" led by Anyang Xinsheng Machine Tool Co., Ltd. passed the acceptance at the user site Henan Zhongyuan Piston Co., Ltd. Li Yufeng, Equipment Department of the Ministry of Industry and Information Technology, Li Kaizhao, Equipment Department of Henan Provincial Department of Industry and Information Technology attended the meeting, the leader of the project acceptance expert group was Li Xiankai, chief engineer of Shenyang Machine Tool (Group) Co., Ltd., Anyang Xinsheng Machine Tool Co., Ltd., China Agricultural University, Zhengzhou Micro-Nano Technology Co., Ltd., Anyang Institute of Technology, Henan University of Science and Technology, Henan Zhongyuan Piston Co., Ltd. respectively made a project self-assessment report report, machine tool user Henan Zhongyuan Piston Co., Ltd. introduced product application and test verification. This project completed the development of CK9555 high-power marine diesel engine piston processing variable elliptical lathe prototype, and realized analog or fully digital long- and short-axis variable elliptical machining; Carried out overall characteristic analysis and optimization design technology; High-power and large-size variable elliptical CNC machining technology; Research on large-size piston clamping process; Complete machine manufacturing process and process control technology; Research on process specifications and technical standards. The concept of derivative system is proposed and used for high-power and large-size variable elliptical CNC turning processing In the generative CNC system, the traditional special control system will be applied as an independent component, and its structure and function remain unchanged; Non-circular turning system functions are completed by derivative parts, which can operate relatively independently, do not occupy the resources of the original system, and their internal sampling frequency can be different from that of the main system. Main technical parameters of the equipment: maximum swing diameter: Ф550mm; Maximum processing length: 1000mm; Maximum variation of major and minor axes:

3.6mm; Maximum speed of turning spindle: 1500r/min; Spindle rotation accuracy: 0.002mm, fast feed speed: X/Z axis 15000mm/min; Repeatability of turret linear motor: 0.0005mm, processing roughness 0.8μm, the product can realize the function of convex elliptical piston external circle machining in fine turning, and the reliability and precision stability have reached the current international advanced level. Through the implementation of this topic, a high-level professional technical team combining "production, learning, research and application" has been established, and through the research on high-power piston processing technology, a group of technical talents in the technical research of high-power marine piston processing equipment have been trained, and in the scientific research mechanism environment of production, learning, research and application, it not only enriches the theoretical knowledge of enterprise scientific research talents in the research and development of high-end CNC machine tools, but also enhances the practical experience of teachers and other personnel in the development of high-end CNC machine tools. At the same time, it has trained a group of high-quality skilled talents for enterprises, and initially established a research and development platform of "variable elliptical lathe for high-power marine diesel engine piston processing" combining production, learning, research and use, which provides a good platform environment for the successful development of products and the cultivation of professional talents. Through the implementation of this topic, the common key technology of variable elliptical lathe for high-power marine diesel engine piston processing has made a major breakthrough, solved the problem of diesel engine variable elliptical piston processing, realized analog or fully digital long and short shaft variable elliptical processing, laid a good foundation for the technological upgrading of China's piston processing machine tool industry, provided an effective process guarantee for the development of related fields, and established a high-level research and development platform and a high-efficiency manufacturing platform for machine tool manufacturing enterprises. It is of milestone significance to promote the development of non-circular special-shaped turning manufacturing and related industries and the adjustment of industry product structure

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