Intelligent flexible production line system is an automatic manufacturing system composed of numerical control processing equipment, material transportation and storage device and computer control system. It includes multiple flexible manufacturing cells, which can be based on the changes of manufacturing tasks or production environment.
Intelligent flexible production line
Rigid production system is a complex large-scale system used for workpiece conveying system, which links various rigid automatic processing equipment and auxiliary equipment in a certain order, and completes single part processing under the action of control system. It is suitable for mass production with high efficiency, low cost, stable quality and program solidification.
Flexible manufacturing system (FMS) is an automatic production system controlled by computer based on group technology. It can process a group or a class of products with similar shapes at the same time. It is suitable for efficient manufacturing mode of multi variety and small batch, reducing the stock of blank and work in process, and reducing direct labor force.
The requirements of flexible production involve seven aspects.
First, the machine is flexible. When a series of different types of products are required to be produced, the degree of difficulty that the machine can process different parts according to the product changes. For example, the switching of non-standard terminal facilities, automatic download and replacement of control program.
Second, process flexibility. The ability to adapt to the change of products or raw materials when the process is unchanged, such as cooperative robot based on reinforcement learning and force sensor of robot gripper; the difficulty of changing corresponding process in manufacturing system to adapt to product or raw material change, such as fitting the relationship between raw material, process and quality through neural network and determining the optimal solution.
Third, product flexibility. After the product is updated or completely turned, the system can produce new products very economically and quickly; after the product is updated, it has the ability of inheriting and compatible with the useful features of the old products. For example, modular design and assembly.
Fourth, maintain flexibility. Use a variety of ways to query and deal with faults to ensure the normal production. For example, the establishment of knowledge base, predictive maintenance.
Fifth, production capacity flexibility. The ability of a system to operate economically when production changes. This is particularly important for manufacturing systems where production is organized according to order. For example, reserved station, circulation station and buffer station.
Sixth, expand flexibility. When the production needs, it is easy to expand the system structure and add modules to form a larger system capacity. For example, according to the process flow, the production process is divided into different stations, and the ability is expanded in parallel at the bottleneck position.
Seventh, flexible operation. The ability to produce a series of products by using different machines, materials and processes, and the ability to process the same product with different processes.