The technological process and processing steps of large-scale mechanical processing, Nanjing Precision Engineering Co., ltd

by:NJPE     2020-02-17
The technological process of large-scale mechanical processing mainly refers to the manufacturing and processing steps of workpieces or parts, and the mechanical processing method is mainly adopted in the operation, the process of directly and effectively changing the shape, size and surface quality of the blank to make it a part is called mechanical processing process. For example, the machining process of an ordinary part is rough machining-Finishing-Assembly-Inspection-Packaging is a general process of processing. The process of large-scale mechanical processing is to effectively change the shape, size, relative position and properties of its production objects on the basis of the process, so that it becomes a finished or semi-finished product. It is each step, detailed description of each process, for example, as mentioned above, rough machining may include blank manufacturing, polishing, etc. Finishing may be divided into turning, fitter, milling machine, etc, each step requires detailed data, such as how much roughness and tolerance to reach. Large-scale mechanical processing will effectively determine the adopted technological process according to the quantity of products, equipment conditions and workers' quality, and write relevant contents into technological documents, this kind of document is called process procedure. This is more targeted. Each factory may be different because the actual situation is different. The procedure for large-scale mechanical processing is one of the process documents that stipulate the mechanical processing process and operation methods of parts. Under specific production conditions, a more reasonable process and operation method, according to the prescribed form, it is written into process documents and used to guide production after approval. The machining process specification generally includes the following contents: the technological route of workpiece processing, the specific content of each process, the equipment and technological equipment used, the inspection items and methods of workpieces, cutting parameters, time quota, etc. In the process of formulating the technological process, large-scale mechanical processing often makes effective adjustments to the contents that have been initially determined before, so as to improve its economic benefits, in the process of implementing the process regulations, unexpected situations may occur, such as changes in production conditions, introduction of new technologies and processes, application of new materials and advanced equipment, etc, all require timely revision and improvement of process regulations.
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