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2024
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04
Precautions for detailed mechanical processing and industry requirements.
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Precision machining is a casting process that involves little or no cutting, and it is a good technological process in the casting industry with widespread applications. The reasons for choosing precision machining are as follows:
It can use common materials and can utilize a large amount of scrap metal and recyclable resources. Compared to ordinary forging methods, it consumes less. The cost is reasonable, the overall economic performance is good, energy consumption is not high, and material usage is low. The adaptability of casting is broad, not limited by the size, thickness, and complexity of the castings, and the production mode is convenient. Investment casting has high dimensional accuracy and surface finish, which can reduce the workload of machining. High-temperature alloy castings can be produced, such as turbine blades, streamlined profiles, and cooling chambers, which are difficult to form through machining techniques. The castings have corresponding dimensional accuracy, small machining allowance, saving processing time and metal materials.
The industrial requirements for precision machining are as follows:
1. To form some structurally correct, integrated production, learning, research, and education training bases that can continuously supply talent to enterprises, continuously produce new varieties of casting materials to meet the growing demand for casting materials, while gradually increasing the strength of technology imports and exports.
2. To complete the adjustment of the industrial structure, eliminate a batch of small casting factories with low technical levels, poor product quality, serious pollution, and poor economic benefits, forming relatively concentrated "small giants" and "enterprises" to achieve "specialization and scale" production.
3. To complete the transformation from labor and resource-intensive growth methods to technology and capital-intensive methods, from extensive pollution types to green and intensive types, with product quality, variety, and quantity comparable to world levels, increasing the proportion of materials, and multiplying the production rate and economic benefits of the entire casting factory; environmental pollution control, and initially establishing a casting materials industry system in China that is coordinated with the environment.
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Precautions for detailed mechanical processing and industry requirements.
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