Flexible manufacturing automation production line and its development trend

The core of "Made in China 2025" is to accelerate the innovation and development of the manufacturing industry, improve quality and efficiency, and realize the transition from a manufacturing power to a manufacturing power. To this end, at CCMT2016, many machine tool manufacturers have introduced new products to meet the needs of today's domestic market. This article gives a brief review of the intelligent flexible processing units and production lines on display.
The gear production line of the TRACKMOTION automation system exhibited by EMAG is arguably the most eye-catching highlight of the entire German showroom. The entire production line is automatically picked up by the fast track conveyor system and the spindles of the three machine tools from machining to inspection. The complete line is compact, with high flexibility and efficiency, and is suitable for mass production of gears, especially gearboxes for the automotive industry. This line offers a complete turnkey solution for gears (200mm diameter, 4mm maximum modulus) from blanks, finishing to hobbing. According to the concept of lean production, the quality inspection and control in the production process should be carried out in each process to ensure timely quality problems.
The FANUC exhibition is an intelligent robot model assembly line. The entire production line is completed by robots from reclaiming, feeding and installation.
The FANUC iR Vision 2DV vision system is mainly set up by the vision system software to establish the relationship between the points on the visual screen and the position of the robot. The 3D visual positioning technology solves the problem of the change of the feeding position of the workpiece with the deviation of the positioning surface.
FANUC has worked hard to build more reliable robots. Professor Ishikawa of the University of Tokyo and Professor Takino of Waseda University have detailed the development status of the future FANUC robot: from the point of view of zero downtime, the robot should not stop moving no matter what happens, but the robots seen today are in use. The visual Sensor will definitely stop. If it is possible to use a high-speed vision sensor adapted to the robot's motion state, the detection can be completed even if the robot does not stop, and since the feedback is also performed at a general high speed, all control can be performed during this time interval.
At this CCMT exhibition, Shanshan Group teamed up with 22 manufacturers to jointly exhibit and showcased the complete set of automated linkage simulation lines independently developed and modified. The production line consists of two brothers S500, Yaskawa manipulator and Takizawa TCN-2100. The brother machine tool uses the automatic turning and docking technology of the workpiece independently developed by Shanshan Group. This technology can be used not only on a single device but also on the connection. Used in multiple devices.
Shanshan Group itself is not a device, but an agent, but according to customer needs, all the equipment they represent are combined and installed. The production line exhibited this time was completed by Shanshan's own design team and was recognized and praised by customers.
Facing the current industry development and market characteristics, Beiyi Machine Tool focuses on “manufacturing intelligence” and provides users with “digital factory” to fully demonstrate the company's achievements in the field of intelligent manufacturing. At the exhibition, Beiyi passed the vertical machining center group and the RV reducer eccentric shaft test piece processing machine set, and the combination of MAR-500H horizontal machining center and XKR40 double swing turntable five-axis machining center. The concept and strength of the “digital workshop”.
This production line can effectively solve the problem of workpiece clamping and rapid product change of the automation unit, and effectively realize the standardization of workshop production through modularization. All processing groups, machine tools, robots and AGV trolleys on the line realize information integration, and at the same time, automatic management and scheduling of machine tool processing, loading and unloading and material transportation can be realized through the network.
As the vanguard of China's milling machine manufacturing industry, Beijing Beiyi Machine Tool Co., Ltd. has made progress in the development of digital manufacturing goals in line with the trend of the times.
In this exhibition, Huazhong CNC exhibited an automatic production line for mobile phone cases. The line consists of "1 drag 4 CNC machining unit, digital warehouse, RFID-based digital automatic assembly line, ultrasonic cleaning machine, automatic detection unit, AGV trolley" and other units.
At present, from the development trend of the 3C industry, the primary way of appearance innovation is the metallization of the casing. Huazhong CNC has sharply captured the development of 3C industry and successfully entered the 3C market by taking advantage of its independently developed H8 series CNC system. The processing of the metal case of the mobile phone requires continuous operation of the machine tool without stopping the machine. The reliability of the machine tool is extremely high. The most critical point is that the high speed can not generate vibration through the corner. Through joint research with users, Huazhong CNC has overcome the technical difficulties of 3C processing and gained high trust from users in domestic CNC systems.
Dalian Machine Tool exhibited the DZHX001 horizontal machining center production line, which is also part of the Changan Automobile engine cylinder head flexible production line. It can realize the mixed flow production of various types of cylinder head parts, and complete the automobile engine cylinder head from the blank embryo to the finished product. All processing tasks achieve high precision, high efficiency, high flexibility and intelligence. The production line processing equipment is high-speed, precision horizontal machining center unit (HDL50). The workpiece is conveyed by truss manipulator automatically. The production line can produce up to 200,000 pieces of automobile engine cylinder heads. The technical indicators of the whole line have reached the international advanced level.
The HDL50 mainframe has a rigid main structure, and through repeated simulation and optimization of engineering mechanics, it has achieved the engineering requirements of rigid multiplication and streamlined quality. The machine can be widely applied to the processing of plates, discs, cabinets, shells and precision parts. After the parts are clamped, the milling, boring, drilling, expanding, reaming, tapping and other processes can be processed. It is suitable for multi-variety small and medium batch processing of parts with concentrated operations, and is suitable for forming flexible processing automatic lines, especially for the automotive engine industry.
The FML800 flexible manufacturing unit exhibited by Kunming Machine Tool was specially developed for users in the automotive field. The unit system is automatically controlled by a computer, which can automatically collect, process and feedback various information required for processing and transportation process, and implement hierarchical control of the processing unit and transmission equipment through industrial computers or other control devices. The intelligent manufacturing unit combines high rigidity, high speed and high efficiency. The unique design of the machine tool can effectively improve the overall rigidity, ensure the machine's motion accuracy and strong cutting performance; combined with its fast-moving speed, acceleration, and dual-tray exchange station, greatly improve production efficiency, reduce production costs, and effectively improve The processing precision of batch parts can give users better economic benefits.

Second, the future development trend of flexible production lines
With the development of science and technology, human society has higher and higher requirements for the function and quality of products, the cycle of product renewal is becoming shorter and shorter, and the complexity of products is also increasing. Traditional mass production methods are challenged. . In order to simultaneously improve the flexibility and production efficiency of the manufacturing industry, and to ensure the product quality, shorten the product production cycle and reduce the product cost, the flexible automation system came into being.
The core of future competition is not commodities or merchants, but consumers. Only when they meet the individual needs of consumers can they be sticky. The so-called "individualized customization, flexible production" is to implement the "pre-sale" model through the Internet. Before producing goods, enterprises first release supply information and accept consumer customization.
Personalization completely breaks the inventory, and manufacturers organize on-demand production according to the needs of consumers. Therefore, the cost of brand operation is far lower, and consumers can buy cheap and cheap goods at relatively cheap prices. Now the company has not only achieved its own successful transformation, but also created a whole set of flexible production solutions. The goal of the future enterprise is to become a total solution provider to help more SMEs achieve transformation and upgrading. (Zou Yue Zhongjie Machine Tool Co., Ltd.)

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