In the manufacturing process, due to the different requirements and production conditions of the parts, the manufacturing process plans are also different. When the same parts are produced with different process schemes, their production efficiency and economic benefits are also different. On the premise of ensuring the quality of the parts, the process of formulating a reasonable and feasible process plan with good comprehensive technical and economic benefits is called the process design of the parts.

The production process changes from design drawings to products through a series of manufacturing processes. Usually the whole process of converting raw materials or semi-finished products into products is called the production process. The production process usually includes:

(1) The technical preparation process includes market research, forecast, new product identification, process design, and standardization review before the product is put into production.

(2) Or process refers to the process of directly changing the size, shape, mutual position of surfaces, surface roughness or properties of semi-finished raw materials to make them into finished products. For example, liquid forming, plastic forming, welding, powder forming, cutting, heat treatment, surface treatment, assembly, etc., all belong to the process. Write a reasonable process into a technical document to guide production, and this technical document is called a process specification.

(3) Auxiliary production process refers to the auxiliary production activities necessary to ensure the normal operation of the basic production process.

(4) The production service process refers to the organization, transportation, storage, storage, supply, product packaging and sales of raw materials.

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