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数控系统在平面磨床上应用英文文献和中文翻译(6)

时间:2019-03-30 21:45来源:毕业论文
The competitiveness of the manufacturing sector from the early to reduce labor costs, the cost of the product, to improve the overall efficiency and the quality of competition, development to fully me


The competitiveness of the manufacturing sector from the early to reduce labor costs, the cost of the product, to improve the overall efficiency and the quality of competition, development to fully meet customer requirements, and actively develop new products competition, will face knowledge - Technical - product update cycle more short, bulk products are getting smaller and smaller, and higher requirements for quality, performance, and community growing awareness of environmental protection, green manufacturing. Agility and state-of-the-art manufacturing technology will become the primary means for enterprises to win the competition and survival and development. The combination of computer information technology and manufacturing automation technology is more and more closely as automated flexible production based CNC machine tools in the production of machine tools, the proportion will be more and more. A Reality and CNC surface grinder, CNC grinding with respect to machine tools, milling CNC system later, because of his special requirements CNC system. Over the last decade, with the help of CNC technology, continuous rest of the grinder wheel, automatic compensation, automatic exchange wheel, multi-table, automatic transmission and workpiece clamping operation project to be realized, the gradual spread of the CNC surface grinder. In this year's Hannover, Tokyo, Chicago, and domestic large-scale machine tool exhibition, CNC grinder the entire grinder exhibits accounted for most, such as the German Blohm, ELB company famous grinder factory no longer produced in the ordinary grinder, Japan Okamoto , Nikko mass production of full-function CNC grinding, while the development of high-end CNC grinding actively made Hanzhong, low-grade CNC grinding. ELB production of Germany a few years ago Brilliant series of two coordinate CNC grinder, vertical and horizontal axis CNC vertical hydraulic control wheel dresser diamond wheel mounted on a workbench, a wider scope of application; SUPER-BRILLIANT series coordinate CNC Surface and Profile Grinding Machines, bed made of natural granite, geometry, high precision, rail linear motion guide, mechanical drive recoil, thus ensuring better workpiece surface finish; the Brilliant-Future for more than two series of improved products, bed made of artificial granite the longitudinal hydrostatic guideway, toothed belt drive, vertical and horizontal expensive for pre-loading straight-line rolling guide, ball screw drive, three-axis CNC control AC servo motor , 0.5um measurement resolution.
The ELB development grinder contemporary technology, mechatronics and computer technology-based CAM-MASTER series of flexible manufacturing, CAD-MASTER and COMPACT-Master series grinding machining centers, control shaft up to up to 24 axes, In addition, as the full implementation of the modular design, the special grinder manufacturing cycle shortened the ELB company has also developed a variety of high-efficiency grinder, such as SFVGA100 / special grinder, grinding head can be tilted, continuous rest, creep feed oblique plunge grinding, with eleven CNC control axis, like a grinding center. The British Jones & Shipman company developed with the United States AB, A-B8600 CNC system for FORMAT5 CNC grinding, CNC control hydraulic valves, driven longitudinal movement speed, horizontal and grinding feed the ball screw, DC servo motor drive, intermittent wheel dresser, CRT graphics simulation. Also with other types of numerical control system, in order to meet the needs of different users. With the continuous improvement of semiconductor integration, the new system in shape is getting smaller and smaller, and more compact structure, function remote communication, remote diagnostics, multi-machine network; operator interface to the Windows system close to to increase mouse, remote control, operation, FANUC this year, mainly Release 18I, 16I, .20 I, 21I system, SIEMENS 840D, 810D, 803D are compact system. Some manufacturers, such as: Taiwan Precision Machinery Research & Development Center the open PA800NT Series CNC controller, the use of the core of the Windows NC operating system, and NT timely multi-tasking, single program processing speed of up to 2000 / s, single pre- the read processing up to 1000, with AART (preconditioning regulation technology) and parameter optimization learning function, can follow the error approaches zero, the software processing path filters can reduce the cutting process, due to the acceleration change large mechanical resonance, thereby improving surface roughness salvation; equipped with servo flexibility, with + and - 10V analog servo interface, SERCOS digital servo communication interface while providing international standards; PLC programming ladder structure statement, the function block, the command code, flowcharts five syntax, ease of design, communication and maintenance; computer remote communications, real-time remote maintenance functions; axis and spindle control can be expanded to up to 64 axes, I / O can be expanded to 792/528, Pentium processor, a high degree of PLC processing speed reached 25k. Produced many professional plant has been developed in addition to the famous SIEMENS FAUNC CNC system used in plane or profile grinding system in the world, some grinding plant also actively developed the numerical control system applicable to their grinder. Main: Siemens SINUMERIK840D system, the system has more than twenty servo axis coordinate continuous stroke control, manual data entry or computer through an external input, remote diagnostics, can be reduced with the grinding wheel diameter changes stroke, wheel dresser automatically compensation, ball screw gap error compensation.        数控系统在平面磨床上应用英文文献和中文翻译(6):http://www.751com.cn/fanyi/lunwen_31418.html
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