I. Introduction
With the popularization and application of CNC machine tools, many units have a certain number of CNC machine tools. For a long time, most operators have used manual input of NC programs on the machine operation panel. This method is mechanical and cumbersome, has a high probability of error, and has low work efficiency. Although some units have used computers for communication in recent years, the communication program used is a stand-alone communication program based on the DOS/Windows operating system. It must be alternately operated between the machine end and the PC end to complete the communication, and the communication distance is very limited. The operation brings a lot of inconvenience.
With the development of computer technology, it has become possible to use a computer to carry out program management and program transmission of multiple CNC machine tools, and the implementation of CNC machine tool networking can avoid the above drawbacks.
Second, the networking program
A unit of CNC machine tools may use a variety of different CNC systems. According to the traditional networking method, each machine is usually equipped with a PC. Different communication programs are used for different CNC systems. The shielding is obvious. Using eXtremeDNC for communication, one PC can manage multiple CNC machine tools, and the network connection is very simple. Simply connect one PC to multiple CNC machines through the multi-port serial port HUB.
1.eXtremeDNC communication software features
The eXtremeDNC special CNC machine tool communication software developed by ASCENDANTTECHNOLOGIES is widely used in the editing, sending and receiving of data files of various types of CNC machine tools, DNC, remote control and track verification of NC programs, and the system is easy to operate. Has the following salient features:
(1) The type of networking is independent of the CNC system, that is, regardless of the CNC control used by the CNC machine tool, it can be networked by establishing and modifying the control mode table (communication protocol);
(2) Each EXtremeDNC server can control up to 256 CNC machine tools at the same time, and can realize long-distance transmission;
(3) The data transmission is safe and reliable. After the data transmission, the file comparator can be used to verify the accuracy of the transmitted file, and the different points of the file can be color-coded;
(4) Unique remote control function, the NC program can be called directly from the EXtremeDNC server at the CNC machine, and the machine operator does not need to operate the computer;
(5) Powerful rights management function, by setting different permissions, the number of machines and rights controlled by different operators are different;
(6) Do DNC for all the serial ports of the CNC machine or the selected serial port at the same time, which is very useful for the transmission of long CNC programs, especially in the mold processing;
(7) Real-time NC file comparison, NC file editing, NC file track drawing;
(8) The software is written in Windows Office style. The Windows operation will use eXtremeDNC software, and the software adopts an open structure, which can be used infinitely with third-party application packages, such as Microsoft browser, scheduled task program, database. And commands, etc.
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