Process flow and processing of large mechanical processing steps

by:NJPE     2020-06-26
Large machining process is mainly refers to the workpiece or parts manufacturing process steps, when operating mainly adopt the method of mechanical processing, direct and effective to change its shape, size and surface quality of blank, etc. , making it a part of process called machining process. Such as a normal part of machining process is rough machining Finishing - Assembly - Test - Packaging, is a general process of processing. Large mechanical processing technology is on the basis of the process, effectively change the production of the object's shape, size, position and nature and so on, make it become the finished product or semi-finished products, is each step, a detailed description of each process, for example, it says, roughing may include blank manufacturing, polishing, etc. , finish machining may be divided into the car, fitter, milling machine, etc. , each step will have the detailed data, such as roughness to achieve how many, how much tolerance to achieve. Large mechanical processing will be effective according to the product quality, equipment conditions, and the number of workers, etc. , determine the process of using, as the content of the related process files, this file is called process planning. This is more targeted. Every factory may not be the same, because the actual situation is different. Large precision machining procedures are parts precision machining process and operation method of process documentation, one of which is under the condition of concrete production, the reasonable technological process and operation method, according to the regulations in the form of a written into process file, used to direct production after approval. Mechanical processing procedures generally include the following contents: workpiece precision machining process route and the specific content of each process and the equipment and process equipment, test items and test method of artifacts, cutting dosage, the time quota, etc. Large mechanical processing in the process of formulating process, tend to be on the front has preliminarily determine the content of effective adjustment, so that you can improve the economic benefits, in the process of execution process procedures, may appear unprecedented material, such as the change of the production conditions, the introduction of new technologies, new processes, new materials, the application of advanced equipment, etc. , are requirements in a timely manner to revise and improve process planning.
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