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The industrial equipment remanufacturing project is to use the high-tech and new materials such as green manufacturing technology, information technology, numerical control and automation technology to optimize the functions of remanufacturing, green improvement, numerical control transformation and informationization of waste equipment and technical backward equipment. Four processes. For machine tool equipment, its rebuilding includes drive system optimization and remanufacturing, precision remanufacturing of key components such as spindles and guide rails using new technologies, new processes and new materials, drive mode and optimized matching of drive motors. And energy-saving transformation of electrical systems, economical numerical control system application or numerical control system function upgrade and other numerical control transformation, machine tool information terminal system (human-machine interface for machine tool processing status and enterprise design, management and other information system interaction), machine tool Condition monitoring system (such as power monitoring, tool wear monitoring, etc.) information upgrading and safety protection system and machine tool environmental transformation optimization and upgrade. Therefore, even after the purchase of second-hand machine tools, most of them still need to remanufacture the machine tools to meet the user's needs.
According to industry experts, there are many options for machine tool remanufacturing. The types of machine tools are different, and the content of remanufacturing is different. The requirements of users are different, and the content of remanufacturing will be different. Therefore, the remanufacturing of machine tools requires an in-depth understanding of the structural performance of the original equipment, and a true understanding of the new requirements of the user, combined with the actual structure of the machine tool, in the transformation design. At the beginning of product design, foreign advanced equipment manufacturing companies have taken into account the second and third life cycles of the products, laying the foundation for future renovation or remanufacturing of old equipment.
In foreign countries, remanufacturing has gone through decades of development and has become an important part of the circular economy. In the production process, remanufacturing, whether in the production line or in terms of energy and raw material consumption, means huge savings. Compared with the manufacture of new products, 70% of the remanufactured parts can be reused, saving more than 80% of electricity, water and other energy consumption in the manufacturing process.
It is understood that China is the world's largest machine tool consumer market, and the world's largest machine tool holdings. Nowadays, many machine tools are in service for a long time. With the development of the industry, these machine tools can no longer meet the requirements of modern processing technology. Therefore, the market potential of the machine tool remanufacturing industry is very large. Chongqing No. 2 Machine Tool Plant rebuilt 150 sets of old machine tools for Chongqing Akita Gear Co., and upgraded and upgraded the average unit price of one equipment to 30,000 yuan, while purchasing a new type of equipment of the same type would require 70,000 yuan. It meets the development needs of enterprises to improve production capacity and production technology level, and saves 5.25 million yuan in direct investment for enterprises compared with the purchase of similar new numerical control equipment. At the same time, after the renovation of the 150 old equipments, the energy consumption per unit of production of the former single product was reduced by 1/3, and the energy consumption of more than 100 tons of standard coal required for the remelting of the equipment was rescinded. .
Remanufacturing of ordinary machine tools and aging CNC machine tools not only achieves the same effect as purchasing new machine tools: improving part processing quality and productivity, shortening product manufacturing cycles, improving the working environment; and reducing capital investment and purchasing new machine tools In comparison, you can save more than 50% of the funds. For example, the price of a set of economical CNC remanufacturing machine tools is only 1/5 to 1/3 of the same function of new CNC machine tools.
Zhang Yinan, general manager of Wuhan Huazhong Automation Technology Development Co., Ltd. believes that the remanufacturing of old machine tools can greatly save resources and energy, achieve energy saving, material saving, and reduce environmental pollution caused by re-production of cast iron parts. At the same time, machine tool remanufacturing can change machine functions, improve machine performance, and greatly improve production efficiency. Moreover, the one-time investment is small and the cycle is short, and the original parts such as the bed, the guide rail, the work table, the column, the base, etc. of the machine tool can be fully utilized, and the cost of manufacturing these parts can be saved. Social and economic benefits are significant.
Machine tool remanufacturing industry has broad market prospects
At present, many people lack understanding and understanding of remanufacturing machine tools, and do not recognize their quality. They confuse remanufacturing machine tools with second-hand machine tools, and the expectations for remanufacturing machine tools are relatively low. In addition, the concept of remanufacturing has not been popularized in the public. Even the leaders of many machine tool manufacturers have no knowledge of remanufacturing, and have caused misunderstandings about remanufacturing. In fact, the machine tool remanufacturing industry has broad development space and good market prospects.