機(jī)械專(zhuān)業(yè)外文文獻(xiàn)翻譯 機(jī)械運(yùn)動(dòng)和動(dòng)力學(xué)

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6、對(duì)燒結(jié)納米金屬簇合物動(dòng)力學(xué)的研究：分子動(dòng)力學(xué)研究 燒結(jié)過(guò)程中對(duì)納米金屬的調(diào)查所用的方法是分子動(dòng)力學(xué)模擬的框架內(nèi)嵌入原子方法。若干分子動(dòng)力學(xué)模擬技術(shù)是用來(lái)觀察和描述的演變的燒結(jié)過(guò)程的。能量分布的單一集群是用來(lái)記錄審查和在快照的燒結(jié)過(guò)程的。燒結(jié)的演變也說(shuō)明策劃的大規(guī)模中心對(duì)每一組來(lái)說(shuō)是隨時(shí)間變化的。在燒結(jié)過(guò)程中監(jiān)測(cè)和測(cè)量變化的動(dòng)能和勢(shì)能，從能源的角度來(lái)分析機(jī)制燒結(jié)的優(yōu)勢(shì)。 關(guān)鍵詞：燒結(jié) ;納米簇 ;分子動(dòng)力學(xué) 燒結(jié)，是眾所周知的一個(gè)用于做磚的古老的技術(shù)，磚是一種瓷器，是一種很有前途的用現(xiàn)代技術(shù)合成的納 米結(jié)。

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9、1 外 文 翻 譯 畢業(yè)設(shè)計(jì) 題目： 基于 寬窄行分插機(jī)構(gòu)動(dòng)力學(xué)分析 原文 1： 譯文 1： 電纜攀爬機(jī)器人的動(dòng)力學(xué)仿真分析 2 電纜攀爬機(jī)器人的動(dòng)力學(xué)仿真分析 u , i, 要 :本文介紹了一種使用動(dòng)態(tài)分析軟件 立一個(gè)關(guān)于電纜爬墻機(jī)器人引導(dǎo)原理的仿真模型的方法。通過(guò)這個(gè)模型和仿真的手段建立許多因素的影響 ,包括操作、姿態(tài)、角度、支撐剛度、預(yù)加載荷、支撐輪子的維度。來(lái)得到機(jī)器人的身體在工作狀態(tài)下的抵消補(bǔ)償。文章中的這種方法能夠提供一個(gè)基礎(chǔ)電纜攀爬機(jī)器 人的結(jié)構(gòu)優(yōu)化設(shè)計(jì)。 關(guān)鍵詞 : 電纜攀爬機(jī)器人 引導(dǎo)原理 動(dòng)態(tài)仿真 簡(jiǎn)介 電纜機(jī)器人。

10、沖壓模具設(shè)計(jì)中對(duì)機(jī)械運(yùn)動(dòng)的控制和運(yùn)用 在沖壓過(guò)程中，機(jī)械運(yùn)動(dòng)貫穿始終。各種沖壓工藝的實(shí)現(xiàn)都有其基本運(yùn)動(dòng)機(jī)理，這種運(yùn)動(dòng)是與模具密切相關(guān)的，各種模具的結(jié)構(gòu)設(shè)計(jì)和力學(xué)設(shè)計(jì)最終都是為了滿(mǎn)足其能夠?qū)崿F(xiàn)特定運(yùn)動(dòng)的要求。設(shè)計(jì)的模具能否嚴(yán)格完成實(shí)現(xiàn)沖壓工藝所需的運(yùn)動(dòng)，直接影響到?jīng)_壓件的品質(zhì)，所以在模具設(shè)計(jì)中應(yīng)對(duì)機(jī)械運(yùn)動(dòng)進(jìn)行控制。同時(shí)為了達(dá)到產(chǎn)品形狀尺寸的要求，不能夠拘泥或局限于各種工藝基本運(yùn)動(dòng)模式中，而應(yīng)不斷發(fā)展和創(chuàng)新，在模具設(shè)計(jì)中對(duì)機(jī)械運(yùn)動(dòng)靈活運(yùn)用。摘要：在沖壓過(guò)程中，機(jī)械運(yùn)動(dòng)貫穿始終。各種沖壓工藝的實(shí)現(xiàn)都有。

11、一種新穎的輪式機(jī)器人的動(dòng)力學(xué) 分析與仿真 摘要 ：我們介紹了一種新式兩輪移動(dòng)機(jī)器人的動(dòng)力學(xué)性能的分析與仿真，其新穎之處在于其與控制部分的平衡 ，而這是其“ 結(jié)果（一種其它地方也介紹過(guò)的概念）。該機(jī)器人的數(shù)學(xué)模型是在拉格朗日方程的構(gòu)架下形成的，通過(guò) 余角 及方陣（這些概念在以前的著作中曾提過(guò)）。為了證實(shí)前面提到的模型還進(jìn)行了一些仿真 。并且，我們提供了對(duì)應(yīng)與不同輸入及初始條件的動(dòng)態(tài)響應(yīng)，而這些對(duì)于機(jī)器人的設(shè)計(jì)和控制很關(guān)鍵。 關(guān)鍵字： 輪式移動(dòng)機(jī)器人 非完整約束 多物體系 統(tǒng)動(dòng)力學(xué) 動(dòng)力學(xué)仿真 當(dāng)今很多場(chǎng)合都需要。

12、Science China Press and Springer-Verlag Berlin Heidelberg 2010 csb.scichina.com www.springerlink.com Review Mechanical Engineering SPECIAL TOPIC: Huazhong University of Science and Technology October 2010 Vol.55 No.30: 34083418 doi: 10.1007/s11434-010-3247-7 Tool path generation and simulation of dynamic cutting process for five-axis NC machining DING Han1*, BI QingZhen2, ZHU LiMin2& XIONG YouLun1 1 State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazh。

13、五軸數(shù)控加工的刀具路徑規(guī)劃與動(dòng)力學(xué)仿真 關(guān)鍵詞 五軸數(shù)控 刀具路徑 幾何 -力學(xué)集成仿真 動(dòng)力學(xué)仿真 傳統(tǒng)的三軸數(shù)控加工通過(guò)控制刀具平動(dòng)來(lái)完成零件的加工 , 五軸數(shù)控機(jī)床是由三軸機(jī)床增加兩個(gè)旋轉(zhuǎn)自由度構(gòu)成 , 利用這兩個(gè)旋轉(zhuǎn)軸 , 五軸數(shù)控機(jī)床可以使刀具處于工作空間內(nèi)的任意方向 . 五軸數(shù)控加工的優(yōu)勢(shì)主要通過(guò)控制刀軸方向?qū)崿F(xiàn) , 具體體現(xiàn)在 : (1)改變刀軸方向可以避免刀具和零件干涉 , 實(shí)現(xiàn)整體葉輪和螺旋槳等復(fù)雜曲面零件的加工 ; (2) 通過(guò)調(diào)整刀軸方向能夠更好地匹配刀具幾何與工件曲面 , 增加有效切寬 , 實(shí)現(xiàn)大型敞口類(lèi)曲面零件的。