半自動精密劃片機設計與試驗研究
[Abstract]:Semi-automatic slicing machine is a precision cutting equipment, mainly used for metal and ceramic, silicon, glass, sapphire, germanium, gallium arsenide and other materials, so that the product quality after processing, beautiful edge smooth. On the basis of domestic and international development of slicing machine and literature investigation, this paper carries on the optimization design and experimental research of the slicing machine combined with Shenyang Heyan Science and Technology Co., Ltd. "Semi-automatic Precision slicing Machine" project. The main contents of this paper are as follows: (1) the paper analyzes the current situation and trend of the precision slicing machine at home and abroad, and analyzes the working principle of the main mechanical structure and the factors affecting the quality of the slicing machine, and makes a theoretical analysis of the blade of the slicing machine. The structure of water spray hood, water mist and water gas seal are compared and analyzed, and the overall scheme of the structure of the slicing machine is determined. (2) the overall structure and the selection design of the key parts of the slicing machine are completed. The force analysis and type selection design of the blade are carried out, the material and composition of the blade are determined, and the ball screw system and the supporting servo motor which can meet the transmission requirements are selected by calculation. (3) the structure of organ waterproof cover is designed. This paper analyzes the main reasons for the corrosion of the machine core of the slicing machine, determines the source way of water vapor and water mist, puts forward the structure of the water seal, and then improves the structure of the waterproof cover. The test results show that the cost is low. The sealing effect is good. (4) the metal sprinkler structure is designed. Through the analysis and investigation of the existing sprinkler cover of the slicing machine, it is found that the whole strength of the sprinkler cover is not enough, the size adjustment is inconvenient, the interchangeability is insufficient, and the structure of the metal water spraying cover is determined by the comparison and analysis of different schemes. The design and calculation are carried out. (5) the experimental study on cutting parameters of the cutting machine is carried out. Firstly, three important factors affecting the cutting quality of the cutting machine, namely, the feed speed of the spindle, the feed speed of the v (x axis, the water quantity of cutting, and the rotational speed of the spindle, are determined by the single factor test, which are the three important factors affecting the cutting quality of the cutting machine, namely, the width of the cutting edge w. Then, the optimal cutting process parameters were determined by the three-dimensional quadratic regression rotation combination test. The test results show that the structure design of the slicing machine is reasonable and meets the requirements.
【學位授予單位】:沈陽農(nóng)業(yè)大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:TG48
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