Machine Tool Networking and NC Program Management System Solutions (2)

4) The management of each NC equipment processing program in the workshop adopts the disk management method. On the one hand, the disk medium is easily damaged; on the other hand, for a numerical control system without a floppy disk drive, the program on the disk must be copied to the computer for communication and temporarily connected for communication. Not only is it inconvenient to operate, but it is also inconvenient to manage the machining tasks of the machine tool, and it is impossible to detect the machining program on the equipment site. Generally speaking, the workshop has a long distance from the programming room. The technicians transfer the program by copying the floppy disk or holding the laptop computer, and travel back and forth between the two places, which wastes a lot of time, is not conducive to improving work efficiency, and frequent Hot plugging and hot drawing is easy to burn out the machine interface.

5) There is no record of various login and machine port information, which cannot be conveniently viewed.

6) There is no feedback on the success or failure of the program transmission.

7) It is not possible to transfer from any position of the program, such as a tool change.

8) Some advanced functions of the machine tool have not been played out, such as ftp, nfs, etc.

9) Some old CNC systems have limited memory space. There are more programs, and the memory space of the machine is not enough. A large number of processing programs have to be repeatedly deleted and typed. Frequently repeated parts preparation wastes a lot of working time. It directly affects the efficiency of CNC machine tools, and the repeated programming of the machining program also affects the stability of the program.

10) One unit of CNC machine tool may use a variety of different CNC systems. According to the traditional networking method, each machine is usually equipped with one PC. Different communication programs are used for different CNC systems. The drawbacks are obvious. . Moreover, the workshop puts a lot of computers, the industrial environment is bad, the life of the computer is greatly shortened, and it is messy and unfavorable for management. The numerical control equipment is developing in the direction of integration, intelligence and network, and it has more and more features of advanced computers such as PCs. Most of the current CNC equipments are in the form of a single-machine operation, which needs to be networked like a PC. Transform and realize the sharing of resources.

2. Management status of NC program

1) At present, most technicians take the approach of setting up different directories on the computer. As the number of people increases, the amount of programs expands, and there are problems such as confusion of the program version and difficulty in finding. If someone transfers or quits, Whether the program can be safely called is indeed a question. Moreover, the security of the program, the program that has been adjusted by itself may be mishandled, and even the other person has no intention to change your program. These are frequently occurring problems. However, there is no small matter in CNC machining, and it is easy to generate batch problems, and the nature is serious.

2) In addition, can the program check the path of the tool path before the call, can the two versions be intelligently compared, have the characters changed, are there any errors or omissions? Can I implement simple address math operations?

3) Program structure problem, the NC program should be associated with the corresponding part model, and there must be corresponding tool list, tool parameters, process cards and other documents. With the popularity of digital cameras, it is best to process the key process. The status, special tool shape is recorded and stored with the program. The next call is very visual and intuitive.

4) The last one is the program status problem, some have just been written, some are in debugging, some are stereotyped, how to distinguish different programs, and set different permissions for different people, it is also very important.

Fourth, the solution

Using a mature and complete DNC solution, one computer is used for program management and program transmission of multiple CNC machine tools.

Benefits: Solve all the problems in the above machine tool communication and NC program management status, as follows:

1) DNC communication software can support various CNC systems and support various communication standards;

2) Support automatic call of NC program files in the computer from the machine side;

3) Multiple NC programs can be packaged and called remotely;

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