Process flow and processing steps of large-scale machining

The process flow of large-scale machining mainly refers to the steps of manufacturing and processing workpieces or parts. In the operation, machining methods are mainly used to directly and effectively change the shape, size and surface quality of the blank, making it a part of the workpiece. The process is called the machining process flow. For example, the processing process of an ordinary part is roughing-finishing-assembly-inspection-packaging, which is a general process of processing.

The process of large-scale machining is to effectively change the shape, size, relative position and nature of the production object on the basis of the process to make it a finished or semi-finished product. It is a detailed description of each step and each process, such as, As mentioned above, rough machining may include blank manufacturing, grinding, etc., and finishing may be divided into lathes, fitters, milling machines, etc., each step must have detailed data, such as how much roughness should be achieved, and tolerances should be achieved. How many.

Large-scale machining will effectively determine the technological process to be adopted according to the quantity of products, equipment conditions and the quality of workers, and write the relevant content into process documents, which are called process regulations. This is more targeted. Each factory may be different, because the actual situation is different.

The regulation of large-scale machining is one of the process documents that stipulates the machining process and operation methods of parts. It is to write a more reasonable process and operation method into a process document in a specified form under specific production conditions. After approval, it is used to guide production. The machining process specification generally includes the following contents: the process route of workpiece processing, the specific content of each process and the equipment and process equipment used, the inspection items and inspection methods of the workpiece, cutting amount, time quota, etc.

In the process of formulating the process of large-scale machining, it is often necessary to effectively adjust the content that has been preliminarily 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 new processes, application of new materials and advanced equipment, etc., all require timely revision and improvement of process regulations.