IMTS exhibition has demonstrated high-tech CNC machine tools, CNC systems, display of the latest technology and production methods, highlighting the future development trend of CNC machine tools.

1, foreign CNC machine tools technology present situation

(1) high speed, high precision and multi axis machining become the mainstream of CNC machine tools, and nano control has become the trend of high speed and high precision machining.

(2) multi task and multi axis machining CNC machine tools are more and more used in energy, aerospace and other industries.

(3) the integrated application of machine tool and has become increasingly popular, and the structure form diversification, expanding the scope of application, movement speed, multi sensor fusion technology practical, intelligent control functions, multi robot cooperative popularization.

(4) intelligent processing and monitoring function expansion, process monitoring and management workshop can obtain real-time status information of the machine itself, the analysis of relevant data, to predict the state of the machine, do the maintenance, to avoid accidents, reduce the machine failure rate, improve the utilization rate of machine tools.

(5) the machine error detection and compensation of the latest technology to complete the compensation measurement of the machine in a short period of time, compared with the traditional laser interferometer, the precision of machine error compensation can be increased by 3 ~ 4 times, and the efficiency can be greatly improved.

(6) the latest CAD/CAM technology provides a strong support for the machining of multi axis multi task CNC machine tools, and can greatly improve the machining efficiency.

(7) the cutting tool technology has developed rapidly, and the design of many cutting tools covers the whole machining process, and the new cutting tools can meet the requirements of smooth processing and vibration resistance.

2. foreign machine tool CNC system technology present situation

(1) the Fanuc Ltd's new FS30i/31i/32i/35i-MODELB NC system, FANUC is the latest artificial intelligence nano CNC system, the CNC system flexibly support machining center, lathe, machine tool, five axis machine tools and all kinds of high speed and high precision machine tool. The system supports FL-net, PROFIBUS-DP, DeviceNet, I/OLink-II, field bus, the system can achieve nanometer high precision interpolation, can provide the programming and operation of navigation, visibility and operation to achieve the operation of the system. The system provides the functions of rigid tapping, large machine tool control and double check safety.

(2) MITSUBISHI M700V with the latest reduced instruction set of the 64-bitCPU and the high performance fiber servo network, with nanometer interpolation technology, ultra smooth surface control SSS algorithm, the optimal response of machine control, high precision correction function, easy to use menu design and user-friendly online help function, real-time 3D graphical monitoring design.

(3) the latest systems, 828D and 840Dsl, introduced by SIEMENS, are outstanding, compact, strong, simple and perfect. Work in 80bit floating-point precision, advanced surface technology, thus achieving the highest workpiece accuracy, especially for die processing. Intelligent positioning and motion conversion, ensure the correct position of the processing, the unique ShopMill/ShopTurn sequence programming features: convenient programming, greatly reduce the programming time, dynamic line graphics, geometry processor cycle, complex contours of a wide range of high quality, CNC model simulation program.

(4) HEIDENHAIN's iTNC530 friendly interface, workshop oriented programming, interactive programming and SmarT.NC programming, DXF conversion program segment processing time of 0.5ms and excellent contour machining precision and five axis machining characteristics, with a DCM dynamic collision monitoring function, AFC adaptive control functions, dialogue format programming, TNCGuide the program, set the global parameters

3., the development trend of CNC systems abroad

Platform digitization. High speed operation. Machining high refinement. Functional recombination. Control intelligence. High performance control of the servo drive.