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CAC-CIMS production line of control in the FDNC research and development
The interface to the DNC issued a temporary resource requests, the system will generate a temporary resource needs timely information and trigger tool workstation workstation system or material handling system can make appropriate and timely provide all kinds of fault information to the relevant staff to eliminate the production failure 4. FDNC production line DNC DNC interface control is to use direct digital computer control and management of multiple systems of CNC machine tools. DNC Another function is to manage the computer systems associated with the implementation of 0. . FDNC the DNC line interface controller has two main tasks: first, DNC interface to the computer as a client to complete the data collection, access to information and the NC processing program and send exception messages and other functions; second, by the DNC then ~ 3 ~ high-tech communication tools 1,995.10 direct control of the computer to complete the processing of the workpiece. FDNC production lines, some of the control system of CNC machine tools, such as FANUC7M, the production's early, failed to provide communication with the computer interface, therefore, must address the problem of communication interfaces such equipment. DNC interface computer provides a parallel interface and RS 232C serial interface,[link widoczny dla zalogowanych], 7M transmission system for the parallel input and parallel output. Taking into account the actual production environment and reliability requirements, the use of serial communication to meet the needs of FDNC, so 7M DNC interface computer systems with an intelligent design of the DNC interface circuit board. In this way, the DNC interface to a computer through the RS 232C serial communication interface to input data through the parallel output switching circuit to the 7M into the input interface, so that the machine controller to receive or send spare parts in parallel NC program to control machine tools state of operation. For operator convenience, but also in the hardware design of communication software for the interface design of the software's main function is to transmit two-way NC program, NC program approved transfer, NC block transfer program, NC program transfer logging , DNC interface, self-diagnosis, machine parameters and tool parameters of the transmission-line processing. IV Conclusion in the CIMS project, the successful development of any one system, only the success of the system to run former title, is more important is the need to ensure the system is running a good organization and management system. FDNC production line running, one needs to ensure that technology, including hardware, software, technical support, etc. A network; second mode of system operation and management of the guarantee. The former question belongs to technology integration and information integration, the problem belongs to the latter person / organization integration. Following issues is critical for the operation of the system: first, to have a good organization to ensure system operation management system; Second, there must be correct and sufficient data to support the foundation f the third, to strengthen the system in operation continuous improvement and maintenance of the current CAC-CIMS production line is in FDNC practical application has been made effective, and continuous improvement in the application. References: [1] side rise. Computer World, 1994,8 [2] ULRICHREMBOLD [Germany], Tian Yuhua such as translation. Computer Integrated Manufacturing Technology and Systems E33 REN Ling. Aviation technology,[link widoczny dla zalogowanych], l994, 5ResearchandDevelopmentofFDNCProductionLineControlinCAC-CIS (receivedApt.3, 1995, revisedMay14) RenLing, YouZucheng, WangNingsheng, GuoZhiping (NanjingUniversityofAeronauticsandAstronautics, Nanjing210016) (* ChefIgauAircraftCorporation,[link widoczny dla zalogowanych], Chertgdu610001) Ah ~ traetThispaperdescribesthehierarchicalcontrolstruc ~ e, systemfunctions,[link widoczny dla zalogowanych], keytechnicalproblemsofCAC-CIMSFDNCproductionline, bas ~ lontheresearchanddevelopmentofcellcontroller, workstationcontrollerandDNCinterfacecontrollet. Keywords: CIMS, FDNC, Cellcontrol
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