Basic requirements for processing technology of precision mechanical parts, Nanjing Precision Engineering Co., ltd

by:NJPE     2020-02-13
In the process of designing, the processing of precision mechanical parts should not only meet its use requirements, that is, have the required working ability, but also meet the production requirements in the process of operation, the processing of precision mechanical parts is convenient to process in the process of design and the processing cost is very low. Such parts will be called good manufacturability to a certain extent. Basic requirements for processing manufacturability of precision mechanical parts 1. In the process of selecting the blank, the preparation method of the blank in the reasonable amount of mechanical manufacturing needs to be adopted, and the methods of profile, casting, forging, welding, stamping and the like will be directly used in the operation, the selection of the blank is related to the specific production technical conditions when it is in operation, and generally depends on the production batch, the performance and processing possibility, etc. 2. The structure of precision mechanical parts processing is very simple in the process of design, and the simplest surface and combination are mainly used in the operation, to a certain extent, we should also try our best to use the least number of machined surfaces and the least machined area. 3. The processing of precision mechanical parts stipulates that the urgent cost of parts with appropriate manufacturing precision and surface roughness will increase with the improvement of its precision. Under the condition of high precision during operation, such an increase is extremely significant, so high precision should not be pursued without sufficient basis. Similarly, the surface roughness of parts should also be made according to the actual needs of the mating surface. 4. When precision mechanical parts are processed to a certain extent, they design parts with good manufacturability. In the process of design, they must be combined with process technicians and are good at learning from them. In addition, some basic knowledge about technology is also provided in the courses and manuals of metal technology for reference. The surface roughness of precision mechanical parts can effectively reflect a very important technical index of the error of the microscopic geometry of the surface of its parts to a certain extent, this is the main basis for inspecting the surface quality of parts when in use.
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