With the rapid development of information technology, various new manufacturing concepts and manufacturing modes continue to emerge, such as flexible manufacturing, integrated manufacturing, virtual manufacturing and networked manufacturing, which have further improved the processing capabilities and digital management levels of manufacturing companies. On the other hand, with the development of data acquisition technology and automation technology, the production process monitoring and intelligent decision-making of the actual workshop have become a reality. Therefore, a new term “intelligent manufacturing” has appeared, which provides a new direction for the development of manufacturing technology.
As the carrier of workshop information management technology, the manufacturing execution system MES plays a huge role in realizing the automation, intelligence, and networking of the production process. MES is located between the enterprise-level resource planning system ERP and the control system at the bottom of the factory. It is an important means to improve the manufacturing capabilities and production management capabilities of the enterprise.
What is smart manufacturing?
Intelligent manufacturing is a human-machine integrated intelligent system composed of intelligent equipment and human experts. It can perform intelligent activities during the manufacturing process, such as analysis, reasoning, judgment, conception, and decision-making. Through the cooperation of humans and smart devices, to expand, extend and partially replace the mental work of human experts in the manufacturing process. It updates the concept of manufacturing automation and extends it to flexibility, intelligence and high integration.
Intelligent manufacturing includes the following
- 1. The establishment of an integrated knowledge base support system for product design and manufacturing;
- 2. With the goal of product and production knowledge sharing and reuse, focusing on manufacturing problems and constraints in a decentralized environment, and establishing a product design system;
- 3. To establish a reconfigurable production system and production management system for the purpose of the flexible factory as a long-term research target and the knowledge sharing of the production process;
- 4. Build flexible equipment, use the knowledge base and other research results to explore the development of the next generation of flexible man-machine integration operation mode; explore the large-scale production mode.
MES helps intelligent manufacturing
In terms of process control: MES manages the entire production process of production orders, through real-time monitoring of all emergencies in the production process, automatically corrects errors in the production process or provides decision support to achieve production scheduling requirements; When the plan deviates too much, timely feedback the relevant personnel to make them take corresponding measures.
In terms of task dispatch: MES automatically generates a task dispatch order after the production plan is completed, and formulates and optimizes the specific production process and the detailed operation sequence of each equipment according to the changes in the actual processing capacity of the production equipment; in order to improve production flexibility, production Tasks are dynamically allocated on-site according to the specific conditions of production execution and equipment conditions, combined with resource allocation.
In terms of resource allocation: MES provides companies with the real-time status of various production site resources through detailed data statistics and analysis, closely coordinates with task allocation, and configures corresponding tools, equipment, materials, documents and other resources for each production process to ensure Each operation is prepared and executed according to scheduling requirements.
In terms of capacity balance analysis: MES analyzes and compares work center/equipment task load, department/team task load, work type task load, etc. and makes corresponding assessments, assists planners and dispatchers in outsourcing and balancing production tasks, and achieves the best The production plan schedule.
In terms of quality management: MES tracks the entire production process from raw materials entering the factory to finished products warehousing, and real-time data collection of product raw materials, production equipment, operators, process batches, etc., to provide a basis for product use, improved design and quality control; Determine product problems according to the test results and provide corresponding decision support.
In terms of document management: MES is a database-based solution with massive data storage and management capabilities, custom document management structure tree and version tracking, effective management of product design, operating procedures, process descriptions, etc.; according to processing task allocation, Each production process provides corresponding processing procedures and production information.
In terms of data collection: MES adopts different data collection methods according to different data, application scenarios, personnel capabilities, equipment investment, etc., to obtain real-time data of various processes, equipment, materials, products, and statistics and analysis into other systems and management The information needed by the person.
In terms of human resource management: MES provides personnel status and related information, tracks individual work performance, and provides decision support for enterprises to achieve fine attendance management, control labor costs, easy performance appraisal, reduce employee turnover, and optimize personnel scheduling. .
In terms of maintenance management: MES records the maintenance time, maintenance content, failure reason, etc. of each equipment and tool, so as to calculate the most common equipment/tool maintenance work and accumulate experience, manage and guide the maintenance of production equipment and tools Activities, and generate corresponding maintenance experience documents for browsing and inquiries.
Let China’s manufacturing industry move towards “intelligent manufacturing”
In China, most discrete manufacturing companies belong to a multi-variety and small-batch production mode. In this mode, workshop-level organization and control have higher requirements for their production management. This is due to the multi-variety and small-batch production mode. Due to the characteristics of the product, it is characterized by a large variety of products, a small quantity, a small production repeatability, and frequent changes in the process. Due to these characteristics of this model, an advanced and applicable management system is needed to perform intelligent and optimal scheduling of assigned production tasks to a certain extent, minimize non-value-added time in the production process, and achieve high efficiency, processing and production. High flexibility and high reliability, and the emergence of MES meets the needs of enterprises in the control and management of the shop floor.
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