Precautions and industry requirements for precision machining
Precision machining is a casting process with little or no cutting, a superior technology in the foundry industry with widespread application. Reasons for choosing precision machining include:
It can use common materials and utilize a large amount of waste 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 consumption is low. Casting has a wide range of applications, not limited by the size, thickness, and complexity of the casting shape, and the production mode is convenient. Investment casting has high dimensional accuracy and surface finish, reducing the amount of machining work. High-temperature alloy castings can be cast, such as turbine blades, streamlined contours, and cooling chambers, which are difficult to form using machining technology. Castings have corresponding dimensional accuracy, small machining allowance, saving machining time and metal materials.
Industry requirements for precision machining are as follows:
1. Establish several well-structured, integrated industry-academia-research collaborations and education and training bases to continuously supply enterprises with talent, continuously develop new casting materials, meet the growing needs for casting materials, and gradually increase the intensity of technological input and output.
2. Complete the adjustment of the industrial structure, eliminate a batch of small casting plants with low technical level, poor product quality, serious pollution, and poor economic benefits, forming relatively concentrated "small giants" and "enterprises," achieving "specialization and scale" production.
3. Complete the transformation of the growth mode from labor and resource-intensive to technology and capital-intensive, from extensive and polluting to green and intensive, with product quality, variety, and quantity comparable to world standards, increased material proportion, and a significant increase in the production rate and economic benefits of the entire casting plant; environmental pollution control, and the initial establishment of a China's casting material industry system that is in harmony with the environment.
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