【摘要】：液壓鎖緊軸套是五軸聯(lián)動機床的重要組成部件,多年來其核心技術主要集中在歐洲,為突破國外對于此技術的封鎖,自主研發(fā)設計液壓鎖緊軸套勢在必行。本文設計了液壓鎖緊軸套的實驗方法,并根據(jù)實驗要求設計實驗平臺,對液壓鎖緊軸套進行實驗,通過進行不同的實驗,分析實驗數(shù)據(jù)、理論計算以及有限元分析,來驗證液壓鎖緊軸套的可靠性。本文以殼體理論與無矩理論為基礎,以有矩理論為修正,推導出了液壓鎖緊軸套鎖緊扭矩的數(shù)學模型,并根據(jù)液壓鎖緊軸套的結構以及工作原理建立有限元模型并進行仿真計算,得出了液壓鎖緊軸套鎖緊扭矩與軸套壓力、有效長度、軸套內徑以及徑向間隙之間的關系。為驗證理論計算以及有限元仿真的正確性,設計液壓鎖緊軸套扭矩測試實驗。同時為驗證液壓鎖緊軸套工作的可靠性設計了大尺寸液壓鎖緊軸套保壓密封實驗以及液壓鎖緊軸套鎖緊精度實驗。根據(jù)實驗設計要求,建立實驗臺,實驗臺主要包括支撐系統(tǒng)以及液壓系統(tǒng)兩部分,最后利用實驗臺進行實驗,記錄實驗數(shù)據(jù)。通過對比實驗數(shù)據(jù),理論推導以及有限元分析結果,總結出以下結論:實驗數(shù)據(jù)、有限元方法及理論計算數(shù)據(jù)基本吻合,說明對于液壓鎖緊軸套鎖緊扭矩的公式推導正確;大尺寸液壓鎖緊軸套保壓性能良好;液壓鎖緊軸套鎖緊精度高;液壓鎖緊軸套實驗臺設計合理,能夠順利完成實驗。
[Abstract]:Hydraulic locking sleeve is an important component of five-axis linkage machine tool. For many years, its core technology is mainly concentrated in Europe. In order to break the blockade of foreign countries, it is imperative to design hydraulic lock sleeve independently. In this paper, the experimental method of hydraulic locking shaft sleeve is designed, and the experimental platform is designed according to the experimental requirements. Through different experiments, the experimental data, theoretical calculation and finite element analysis are analyzed. To verify the reliability of the hydraulic lock sleeve. Based on the shell theory and the moment free theory, the mathematical model of the locking torque of the hydraulic lock shaft sleeve is derived in this paper, which is modified by the moment theory. According to the structure and working principle of the hydraulic locking shaft sleeve, the finite element model is established and the simulation calculation is carried out. The relationship between the lock torque and the pressure, effective length, inner diameter and radial clearance of the shaft sleeve is obtained. In order to verify the correctness of theoretical calculation and finite element simulation, the torque testing experiment of hydraulic locking sleeve was designed. At the same time, in order to verify the reliability of the hydraulic locking sleeve, the experiments of the pressure keeping seal and the locking precision experiment of the hydraulic lock shaft sleeve are designed. According to the requirements of experimental design, an experimental platform is established, which mainly consists of two parts: support system and hydraulic system. Finally, the experimental data are recorded by using the experimental bench. By comparing the experimental data, theoretical derivation and finite element analysis results, the following conclusions are concluded: the experimental data, finite element method and theoretical calculation data are basically consistent, which shows that the formula for the locking torque of the hydraulic locking sleeve is correct; The large size hydraulic lock shaft sleeve has good pressure keeping performance, high locking precision and reasonable design of the hydraulic lock shaft sleeve test bench, which can successfully complete the experiment.
【學位授予單位】：沈陽工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TG502.32

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