Flexible Manufacturing System and Its Applications (3)

(2) FH8800 stereo FMS flexible system

The system consists of three FZ8800 horizontal machining centers, 36 exchange trays, one two-position automatic loading and unloading robot, and one washing machine produced by MAZAK. The system is controlled by MAZAK's INTELLIGENT MAZATROL FMS main control unit. Actually configure one machine). The maximum working diameter is Φ1250mm, the maximum working height is 1250mm, and the maximum workpiece weight is 2200kg. The control principle and characteristics are the same as the previous one. Mainly responsible for the processing of medium-sized box parts. However, the strip exchange tray is placed in two layers of upper and lower layers, and the same number of exchange trays are placed three-dimensionally, which greatly saves the floor space of the flexible system. In contrast to conventional exchange tray plane placement systems, such FMSs are referred to as stereo FMS. The system can achieve continuous operation for 72h and no operation for 24h.

(3) OPTO-PATH flexible processing line

The sheet metal processing flexible system is a new field of application developed by FMS from the traditional metal cutting flexible system. The system consists of two HG510 laser cutting machines, 10 layers of material storage, loading and unloading robots and system control computer produced by MAZAK. It is a sheet metal laser cutting machine FMS system which is fully automated from raw material transportation to finished product inspection. The robot sends the required steel plate from the material library to the laser cutting machine according to the system instruction, and the laser cutting machine cuts according to the unfolding and the setting map uploaded to the numerical control system. The X and Y axis movements of the laser head are all driven by a linear motor. The high-quality CCD camera detects the roundness of the nozzle currently installed on the laser head and whether the laser beam is detected at the center of the nozzle to ensure cutting accuracy and accuracy. The machine is equipped with four laser head storage positions, which can be replaced at any time during the machining process, and the external maintenance, maintenance and adjustment functions of the laser head that needs maintenance are ensured that the machining process is not interrupted. The laser cutting machine is equipped with a double exchange workbench to ensure work efficiency. The workpiece sorting device consisting of 7200 individually configured small suction cups can automatically adapt to the shape of the workpiece according to the CAD information. The intelligent sorting system with separate suction/disc control of the single suction cup only adsorbs the selected workpiece and the workpiece And the trim is automatically separated.

4. Composition of flexible manufacturing plant FMF

Little Giant Machine Tool Co., Ltd. is the first intelligent networked machine tool manufacturing plant in China. The intelligent network machine tool manufacturing plant is composed as follows:

(1) Digital product technical information

All of Techno's technical management manages and records the history of product structure, design changes, and changes through the PDM system (Production Data Manager). PDM data is the core data, which is the sole basis for the MRP system to perform order decomposition, and is also the main data source for the operation of the process system and production system. This system realizes the electronic and paperless processing of product related data, and provides a good platform for product related data sharing. All data terminals at the production site can work with the support of the PDM system.

(2) Computer network

Every corner of the Little Giant company is covered by a computer network. The network connects to each processing equipment, flexible unit, flexible system, logistics center, digital measurement terminal, sheet metal, assembled information terminal, and after-sales service realizes the on line system based on the product network function. It constitutes a huge information nervous system. Information flow, high-speed data flow, and real-time exchange provide a reliable and effective means for prompt release of various instructions and timely feedback of various information.

(3) Digital manufacturing equipment with network function

Xiaojuren's main production equipment consists of single-machine CNC machining equipment with powerful network functions, dozens of processing flexible units FMC, three processing flexible lines FMS, two sheet metal production flexible lines FMS and other production equipment, automatic stereoscopic library-based logistics. System, automatic powder coating line, quality assurance digital measurement system. The production equipment uses the advanced Mazatrol Fusion 640 CNC system, which combines PC and CNC 64-bit CNC system for deeper mechatronics and factory management integration. The unique two-way communication function provided by the numerical control system enables the manager to not only transmit processing plans, machining programs, tool data and other information directly to the device through the network, but also realize real-time remote monitoring of the processing equipment. The operation schedule, process management and monitoring of the running state of the CNC machine tool are realized, so that the whole process control of the production is realized from the workshop level to each CNC machine tool.

(4) Manufacturing execution system MES and other management systems

The manufacturing execution management system is the link of enterprise CIMS information integration, and is the basic technical means to implement the enterprise agile manufacturing strategy and realize the agile production of the workshop. There are three aspects to the function of the execution system: first, the production process management and implementation information system for the workshop, which mainly solves the execution problems of the production tasks in the workshop; secondly, in order to improve the automation and intelligence level of the production process management of the workshop, the workshop must be Integrated management of the production process, information integration and sharing, to achieve the overall optimization of the production process of the workshop; Third, through the production orders entered by the MRP system, the production and planning are linked in real time, and become the connection between the two. bridge. The manufacturing execution system of Little Giant's application is called Intelligent Production Center, abbreviated as CPC (Cyber ​​Production Center). It has four modules: automatic programming, intelligent schedule management, intelligent tool management and intelligent monitoring.

The application of the giant giant company's manufacturing execution system CPC enables the production and management process of the factory to be parallelized and networked, which greatly reduces the non-processing time in the production process, thereby effectively improving the production efficiency and realizing the work schedule and process. Management, production preparation and monitoring of the operation status of CNC machine tools have enabled the production process control to be refined from the workshop level to each CNC machine tool, ensuring production schedule and production cost control, and greatly improving the machine start rate.

By covering the company's computer systems and networks, digital product structure, digital production equipment and manufacturing execution systems, manufacturing, product development, pre-sales, after-sales service and operation management are organically connected, and the flow of materials is controlled by information flow, realizing the whole The flexibility and automation of the plant has created a modern flexible manufacturing plant.

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