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

by:NJPE     2020-02-17
Large-scale mechanical processing is very important for the construction of this city, so their workload is very large, and the amount of processing required every day is very large, if we try our best to choose recyclable raw materials and use energy-saving, environment-friendly and low-consumption processing machines during processing, then less pollution will be generated. When the time is long and the machinery needs to be updated, it can also be recycled to relevant departments for re-production. Such a production concept is required for mechanical processing. Now many companies need to buy a lot of machinery for their own business, they will also consider energy-saving and environment-friendly machinery. Of course, they also take a fancy to the cost performance of the products. The quality needs to be guaranteed. Compared with other preferential prices, they have no resistance to such products. In general, large-scale mechanical processing requires very strict employees and must complete the task within the specified time. In the production process, those processes directly related to the transformation of raw materials into products are called technological processes. It includes blank manufacturing, parts processing, heat treatment, quality inspection and machine assembly, etc. However, in order to ensure the normal operation of the technological process, the manufacturing of cutting tools and fixtures and the adjustment and maintenance of machine tools are auxiliary processes. In the technological process, the processing method of Dalian large-scale mechanical parts gradually changes the shape, size, relative position and performance of the blank in a certain order, the part of the process until it becomes a qualified part is called a machining process. According to the number of products, equipment conditions and the quality of workers, the technical personnel of large-scale mechanical processing determine the technological process to be adopted and write the relevant contents into technological documents, this kind of document is called process procedure. In order to facilitate the preparation, implementation and production organization and management of process procedures, the process needs to be divided into different levels of units. They are processes, installations, stations, steps and passes. The process of large-scale machining is the basic unit in the process. The machining process of parts consists of several processes. One process may include one or several installations, each installation may include one or several stations, and each station may include one or several steps, each step may include one or several passes. The forced vibration of large-scale machining is caused by the periodic interference force outside the process system. There is no difference between forced vibration in mechanical processing and forced vibration in general machinery. The frequency of forced vibration is the same as or multiple of interference force.
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