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Six major development trends of CNC machine tools industry

Jun 21, 2019

1, multi-functional

Various machining centers equipped with automatic tool changers can simultaneously perform milling, boring, drilling, turning, reaming, reaming, tapping and other processes on the same machine. Modern CNC machine tools are also used. Multi-spindle, polyhedral machining. The numerical control system realizes the data communication between the numerical control machine tools, and can also directly control the multiple numerical control machine tools.

2, high speed, high precision

Speed and accuracy are two important indicators of CNC machine tools, which are directly related to machining efficiency and product quality. At present, the numerical control system uses a processor with a higher number of bits and a higher frequency to improve the basic operation speed of the system. At the same time, the use of ultra-large-scale integrated circuits and multi-microprocessor structures to improve the data processing capabilities of the system, that is, improve the speed and accuracy of the interpolation operation. The linear servo feed mode of the machine table is directly driven by a linear motor, and its high speed and dynamic response characteristics are quite superior. The feedforward control technology is used to greatly reduce the tracking hysteresis error, thus improving the machining accuracy of corner cutting.

3, intelligent

Modern CNC machine tools will introduce adaptive control technology, which automatically adjusts the working parameters according to the changes of cutting conditions, so that the best working condition can be maintained during the machining process, resulting in higher machining accuracy and smaller surface roughness. Improve tool life and equipment productivity. With self-diagnosis and self-repair function, the system performs self-diagnosis and inspection on the CNC system itself and various devices connected to it at any time during the whole working state. In the event of a fault, immediately take measures such as shutdown, and perform a fault alarm to indicate the location and cause of the fault. It is also possible to automatically take the failed module offline and switch on the standby module to ensure the requirements of the unmanned working environment. In order to achieve higher fault diagnosis requirements, the trend is to use artificial intelligence expert diagnostic systems.

4, CNC programming automation

With the development of computer application technology, CAD/CAM graphic interactive automatic programming has been widely used, which is a new trend in the development of numerical control technology. It is a part processing drawing drawn by CAD, and then calculated and post-processed by the tool path data in the computer, thereby automatically generating NC part processing program to realize the integration of CAD and CAM. With the development of CIMS technology, there is a fully automatic programming method of CAD/CAPP/CAM integration. The biggest difference between it and CAD/CAM system programming is that the processing parameters required for programming do not have to be manually involved, directly from the system. The CAPP database is obtained inside.

5, maximize reliability

The reliability of CNC machine tools has always been the main indicator of users' most concern. The CNC system will use a more integrated circuit chip, using large-scale or ultra-large-scale dedicated and hybrid integrated circuits to reduce the number of components to improve reliability. Softwareized by hardware functions to meet the requirements of various control functions, while adopting the modularization, standardization, generalization and serialization of the hardware structure of the machine tool body, it not only improves the hardware production batch, but also facilitates the organization of production and quality control. It also realizes fault diagnosis and alarm for hardware, software and various external devices in the system by automatically running various diagnostic programs such as startup diagnosis, online diagnosis, and offline diagnosis. Use alarm prompts to eliminate faults in a timely manner; use fault-tolerant technology to adopt important components; redundant design to achieve fault self-recovery; use various testing and monitoring technologies to produce over-travel, tool loss, interference, power failure, etc. In case of accident, the corresponding protection is automatically carried out.

6, control system miniaturization

The miniaturization of the numerical control system facilitates the integration of the machine and the electric device. At present, it mainly adopts ultra-large-scale integrated components and multi-layer printed circuit boards, and adopts a three-dimensional installation method to enable high-density installation of electronic components, and to reduce the occupied space of the system by a large scale. The replacement of the conventional cathode ray tube with a new type of color liquid crystal thin display will further miniaturize the numerical control operating system. This makes it easy to install it on machine tools, making it easier to use the CNC machine.

As a member of the CNC industry, ALLES CNC is also developing rapidly and now has a broad domestic and international market, because ALLES CNC is the thinker of CNC machine tools, consistently. (Click to view SHANDNG ALLES ENERGY TECHNOLOGY CO.,LTD)

Six major development trends of CNC machine tools industry

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