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Precision requirements and costs for precision casting

The castings obtained by various casting methods have different precisions, initial investment and productivity are also inconsistent, and the final economic benefits are also different. Therefore, to be more, faster, better, and more economical, we should take into account all aspects. A preliminary cost estimate should be made for the casting method chosen to determine the casting method that is economically efficient and that guarantees the casting requirements.

Although the development of China's foundry industry is in a relatively difficult period, from a long-term perspective, China's precision casting industry still has certain hopes for development, market demand has slowly begun to pick up, and coupled with China's foundry industry. The strength of the development has a strong strength, I believe that China's foundry industry will certainly achieve gratifying results.

Experts said that in order to fundamentally improve the level of casting technology, the following four points must be achieved: First, develop simulation technology, improve the accuracy of prediction, strengthen process control, and improve yield. The problem of regularity is not well mastered, which affects the yield in mass production. Second, the combination of production, study and research. In addition to the enhancement of innovation consciousness and the improvement of research and development capabilities, the independent innovation of enterprises also needs to attach importance to and strengthen the combination of “production, learning and research” with precision casting enterprises as the main body. Third, attach importance to material research and development. Materials are the foundation of industry, and there is still a lot of work to do. In the aerospace field, research and smelting technologies for some new materials such as alloy materials, especially high-temperature alloys, have yet to be improved, and the gap with foreign countries is still large. Fourth, pay attention to the improvement of equipment technology. The process is mainly the problem of equipment. Many key equipments, such as some directional solidification equipment, mainly rely on imports, so the research and development of precision casting equipment is still the focus.

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