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CNC Machine Tool Building In 6 Direction

Fujian Xinfeng Technology Co.,Ltd | Updated: Mar 04, 2017

CNC Machine Tool Building In 6 Direction

Essential foundation for CNC machine tool manufacturing equipment, its development has become the focus of people's attention. In recent years China's machine tool industry is facing an opportunity for development of manufacturing equipment, also suffered from pressure of market competition. Technically speaking, accelerating the CNC technology will be a key solution to sustainable development in machine industry. At present, the world of advanced manufacturing technology continues to rise, of ultra high speed machining and ultra-precision machining technology applications, rapid development of flexible manufacturing systems and computer integrated system continues to mature, of numerical control processing technology put forward higher requirements. Today's CNC machine is moving in several directions.
1. maximize reliability
CNC machine users are most concerned about the reliability of the main index. CNC system will use more highly integrated circuit chips, using weapons or large private and hybrid integrated circuits in order to reduce the number of components, to improve reliability. By hardware features of software in order to meet the demands of a variety of control functions, while the use of hardware modules of the machine itself, standardization and generalization and serialization, making both hardware production volume, and easy to organize production and quality control. By automatically running startup Diagnostics, online Diagnostics, offline diagnostics and other diagnostic procedures, of the system hardware, software and various external equipment fault diagnosis and alarm. Using alerts, timely troubleshooting using fault-tolerant technology for important parts of "redundant" designs, in order to achieve fault self-recovery; use a variety of tests, monitoring technologies, when overrun and knife damage, interference, power outages and other accidents, automatically the corresponding protection.
2. control system
CNC system machine, with electrical devices as a whole. Mainly through very large scale integration components, multi-layer printed circuit board by using three-dimensional installation method to make high density mounting of electronic components, large-scale system takes up space. Using thin type color LCD monitor to replace traditional cathode-ray tube, will enable NC operating system further miniaturization. So that it can easily be installed on a machine, easier operation of CNC machine tools.
3. intelligent
Modern CNC machine tools of the Adaptive control technology, according to the cutting conditions change, automatic adjusting parameters, keep the process can work, resulting in higher accuracy and smaller surface roughness and improves tool life and productivity of the equipment. Self-diagnosis and self-repair functions throughout the State, system for CNC system itself and connect a variety of devices for self diagnosis and inspection. Once failure occurs, immediately stop and other measures, and the fault alarm, prompted the failed parts, causes, and so on. Can also automatically enables fault module is offline, connect standby modules, to work to ensure that there is no environmental requirements. In order to achieve a higher degree of fault diagnosis and its development trends is the use of artificial intelligence expert systems.
4. CNC programming automation
Current automatic CAD/CAM graphics interactive programming has been widely applied, is the new trend of CNC technology. It is the parts using CAD drawings, and then by computing the tool path data within the computer and post processing to automatically generate the NC machining program to achieve the integration of CAD and CAM. With the development of CIMS, CAD/CAPP/CAM integrated automatic programming mode is currently there, and CAD/CAM programming system is the biggest difference between the programmed the required process parameters without human intervention, obtained directly from the CAPP in the system database.
5. high speed and high precision
Speed and accuracy are two important indicators of CNC machine tool, it is directly related to process efficiency and product quality. At present, the CNC system uses the number and frequency of the processor, to speed up the basic operations of the system. Meanwhile, the structure of super large-scale integrated circuits and microprocessors, to improve the system of data processing, namely, improving the speed and accuracy of interpolation. And the use of linear motors linear servo direct drive machine tool working platform, its high speed and dynamic response characteristics of superior. Feedforward control technology, tracking lag error is greatly reduced, thus improving the machining accuracy of corner-cutting.
6. multifunction
Distribution has automatically for knife institutions (knife library capacity can up 100 put above) of various processing center, can in same Taiwan machine Shang while achieved milling cut, and boring cut, and drill cut, and turning, and hinge hole, and spread hole, and attack thread, variety process processing, modern NC machine also used has more spindle, and more surface body cutting, that while on a parts of different parts for different way of cutting processing. Thanks to multi-CPU structure and classification of NC system interrupt control, simultaneous machining in one machine and programming, so-called "process at the front desk, the background edit." In order to meet the requirements of flexible manufacturing systems and computer integrated systems, CNC system with remote serial interface, or even networking, data communication between NC machine tools, multiple CNC machine tools can also be controlled.
To meet the requirements of ultra high speed machining, spindle motor spindle of NC machine tool using combined structure, realize the integration of variable-frequency motor spindle, spindle motor bearings use magnetic bearings, liquid hybrid bearing and ceramic ball bearing and other forms.
Flexible automation of CNC machine tools for its excellent performance, excellent and stable accuracy, agile and diverse features attracted attention, it created a precedent of mechanical products to development of Mechatronics, CNC technology has become a core technology in advanced manufacturing technology. The other hand, through sustained research, deepening the application of information technology to promote further enhance of NC machine tools.