The application of integrated control system of precision lathe spindle machining production line

The application of integrated control system of precision lathe spindle machining production line 2020 - 05 - 29 Xue Qingxin ( Shenyang Machine Tool Co. , Ltd, liaoning 110142). Abstract: the development trend of intelligent manufacturing workshop. Introduced in this paper by using the WinCC configuration software, Siemens PLC, the formation of MES implementation process of intelligent control precision lathe spindle machining line. The system commissioning is complete, fully meet the requirements of the project plan. Key words: lathe spindle; Production line; NC； Function of PLC, the control system is divided into two layers, the first layer using a Siemens IPC677D industrial computer, using WinCC configuration software design of monitoring system, a database in SQL Server 2008 database; The second is to use Siemens S7300 master as a production line, the use of Profibus bus through gigabit switches connected industry production line units, and connected to the network master PLC data acquisition and control of the equipment within the line. This is the function of control system by PLC control layer control units ( Such as machine doors, manipulator up-down material, machine tool processing, stop, stop, and each unit production line stop, etc. ) State the units, monitor the production line, Such as running state and fault state and stop state) , so as to guide the unit operation, collect machine tool data ( Such as spindle, feed data, axis data, processing data and time data and alarm data) And so on. Second, the production line of main shaft flexible production line a total of 13 sets of equipment, as shown in figure 1. Including 3 within three high rigid CNC lathes, CNC end of cylindrical grinder, 1 special CNC internal grinder and 1 joint manipulator, line 1 high rigid CNC lathes, three coordinate measuring machine 1, 2, center hole grinding machine and one horizontal machining center. Figure 1 line inside the main unit on-line signal through Profibus master PLC connected to the machine tool, through the numerical control system of PLC of Siemens 840 DSL system configuration interaction of DB block, central China 818 a system default output to the AnybusX_ECTS_PRTS Ethercat protocol module is connected to the Profibus bus after conversion, through the PLC configuration interaction. Three master, master PLC PLC and high just car machine parts in the line of mutual information, as shown in the table at the same time to transmit the data to monitoring system, monitoring system can pass these information to grasp the real-time situation of the machine tool, and can be conducted by master PLC instruction machine tool production. Four master PLC and machine tool parts, interactive information table, the system interface system main interface shown in figure 2, including eight line equipment and 28 rack, system by PLC state feedback to each unit with different colors, and use words to describe state machine. System can be achieved by PLC master issue commands to various equipment, also can switch the machine according to the circumstance of online automatic processing offline mode or manual processing mode. Figure 2 precision lathe spindle machining production line main interface system operating interface as shown in figure 3, the Chinese language interface, system by PLC state feedback to each unit with a different color, and describe the state of machine tool, in words can facilitate users to monitor, production line operation. Figure 3 axis flexible production line for semi-automatic operation interface source: metal processing: cold work, 2019, 2