moncler cheap Micro- machining technology _348

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Micro-machining technology

And the current through the time, control the removal rate and removal of the workpiece, thereby obtain high precision, small size parts of the processing method I6]. Processing directly affect the size of the gap forming micro electrochemical machining accuracy and machining effect,[link widoczny dla zalogowanych], by reducing the processing voltage, increase the pulse frequency and lower electrolyte concentration, electrolysis micro-machining gap can be controlled in 10 promontory below. Figure 6 is the amplitude of 2V, pulse width 3ns, frequency 23 The HCL solution, the processing gap 600am, the surface roughness of 100nm [Ji. Micro electrochemical machining in micro larvae L, micro shaft and micro-needles forming has been applied, but to be in Mexico on Figure 6 in the processing of the nickel-based micro-fabrication of the spiral groove is widely used, there are many technical issues need to solve J. Table 1 shows the comparison of several micro-machining techniques, different processing methods on the quality and processing characteristics of a simple comparison, with the further development of modern processing technology,[link widoczny dla zalogowanych], the performance of corresponding changes may occur. Of course, in addition to the above described microfabrication, also includes radio of grinding, micro-injection molding, micro-laser beam machining,[link widoczny dla zalogowanych], micro-ultrasonic machining, lithography, LIGA method, multi-layer thin film coating and laminated such drops. In the future, as technology advances and the development of modern manufacturing methods, will shape the emergence of new micro-fabrication methods. Table 1 Comparison of several micro-machining technology dimensional precision micro-machining methods of depth to diameter (aspect) Biduoweijia working capacity of the surface roughness better processing material processing instance of the general good metal etching, semiconductor groove, fine lines, generally good very good milling good metal, polymer trench, portrait reliefs good good good non-diamond cutting ferrous metals, polymer shaft, screw EDM good very good very good very good metals, semiconductors, ceramics, micro shaft, hole, slit, plane, slightly three-dimensional surface good good good electrochemical micromachining of metal, semiconductor micro hole, micro holes and micro-narrow group of economic and practical microfabrication technology is being widespread attention of scholars around the world, the potential of this technology is undoubtedly very great, depth in our research in this area of great practical significance. Effective and practical development of micro-fabrication technology and to enable them to be applied in industrial production has become a manufacturing technology in the new century one of the problems must be solved. Micro-processing tools (all kinds of knives, electrodes, etc.) formed on the microfabrication of products and quality is essential, therefore, micro-machining tools, preparation and use is an important direction for the development of micro-fabrication and key. Forming a variety of micromachining methods have their advantages and disadvantages, comprehensive utilization of a variety of processing forming method, give full play to their strengths is the direction of the further development of micro-fabrication and means. References [1】 Yuanyi Kun, Zhao Zenghui, Wang Yuping, Guo Qin Yin. MEMS manufacturing technology development and application status 【J]. Coal Mine Machinery, 2006,77 (9): 9.11. Xiong Liang Shan, Yan Xiaoguang, Zhang Furun. Machinery manufacturing technology [M】. Hubei: Huazhong University Press, 2006:328. Jiabao Xian, WANG Zhen, Wan-Sheng Zhao. Micro-machining and micro-machinery】【J. Machinery Manufacturing, 2003,41 ( Cool

: 7.9. MasuzawaT, VujinoM, KobayashiK. wireElectro ·-DischargeGrindingforMicro ·-MachiningAnnalsoftheCIRP1985, 34 (1): 43l-434. WANG Zhen, Wan-Sheng Zhao. Micro Manufacturing Systems Micro EDM Technology [J】 _ Manufacturing Technology & Machine, 2003 (9): 23.27. Peng Siping, Contour, Li Ying, Yang Qian. Mechanism of electrochemical micromachining [J】 _ Electrical & Mould, 2005 (2) :26-29. M. Kock, V. Kirehner,[link widoczny dla zalogowanych], R. Schuster. Electrochemicalmicromachiningwithultrashortvoltagepulses-aversatilemethodwithlithographicalprecision [J]. ElectrochimicaActa2003 (4 Cool

:3213-3219. Zhiyong Li,[link widoczny dla zalogowanych], Ji painting. ECM micro manufacturing technology in the application [J]. Mechanical design and manufacturing, 2006 (6) :77-79.24 ridicule

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