1、Hydraulic SystemA complete hydraulic system consists of five parts, namely, power components, the implementation of components, control components, no parts and hydraulic oil. The role of dynamic components of the original motive fluid into mechanical energy to the pressure that the hydraulic system of pumps, it is to power the entire hydraulic system. The structure of the form of hydraulic pump gears are generally pump, vane pump and piston pump. Implementation of components (such as hydraulic。

2、Water-based hydraulic systemsWater-based hydraulic systems traditionally have been used in hot-metal areas of steel mills. The obvious advantage of water systems in these industries is their fire resistance. Water-based hydraulic systems also have obvious cost advantages over oil-based fluid. First, non-toxic, biodegradable synthetic additives for water cost $5 to $6 per gallon. One gallon of concentrate can make 20 gallons of a 5% solution, so the cost of water-based hydraul。

3、附 錄 2Hydraulic Brake SystemsWhen you step on the brake pedal,you expect the vehicle to stop.The brake pedal operates a hydraulic that is used for two reasons.First,fluid under pressure can be carried to all parts of the vehicle by small hoses or metal lines without taking up a lot of room of causing routing problems.Second,the hydraulic fluid offers a great mechanical advantage-little foot pressure is required on the pedal,but a great deal of pressure is generated at the wheels.The brake ped。

4、中國地質大學長城學院 本科畢業(yè)設計外文資料翻譯 系 別： 工程技術系 專 業(yè)： 機械設計制造及其自動化 姓 名： 學 號： 2012 年 4 月 20 日 外文資料翻譯譯文 液壓傳動和氣壓傳動稱為流體傳動，是根據(jù) 17 世紀帕斯卡提出的液體靜壓力傳動原理而發(fā)展起來的一門新興技術， 1795 年英國約瑟夫布拉曼 (749在倫敦用水作為工作介質，以水壓機 的形式將其應用于工業(yè)上，誕生了世界上第一臺水壓機。 1905 年將工作介質水改為油，又進一步得到改善。 第一次世界大戰(zhàn) (1914液壓傳動廣泛應用，特別是 1920 年以后，發(fā)展更為迅速。液壓元件大約在 19 。

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7、1 液壓系統(tǒng) 液壓傳動和氣壓傳動稱為流體傳動，是根據(jù) 17 世紀帕斯卡提出的液體靜壓力傳動原理而發(fā)展起來的一門新興技術， 1795 年英國約瑟夫布拉曼 (749在倫敦用水作為工作介質，以水壓機的形式將其應用于工業(yè)上，誕生了世界上第一臺水壓機。 1905 年將工作介質水改為油，又進一步得到改善。 第一次世界大戰(zhàn) (1914液壓傳動廣泛應用，特別是 1920 年以后，發(fā)展更為迅速。液壓元件大約在 19 世紀末 20 世紀初的 20 年間，才開始進入正規(guī)的工業(yè)生產階段。 1925 年 維克斯 (明了壓力平衡式葉片泵 ,為近代液壓元件工業(yè)或液壓傳動的逐步建立奠定。

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9、英文原文Self-advancing hydraulic powered supportModern longwall mining employs hydraulic powered supports at the face area. The supports not only holds up the roof, pushes the face chain conveyor, and advances itself, but also provides a safe environment for all associated mining activities. Therefore its successful selection and application are the prerequisite for successful longwall mining. Furthermore, due to the large number of units required, the capital invested for the power support usua。

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11、附件 1：外文資料翻譯譯文 1 液壓傳動概述 液壓傳動的發(fā)展概況 壓傳動的定義 一部完整的機器是由原動機部分、傳動機構、控制部分及工作機部分組成。原動機有幾種類型，例如電動機、內燃機等。工作機即完成該機器的工作任務的直接工作部分，如剪床的剪刀，車床的刀架、車刀、卡盤等。由于原動機的功率和轉速比是被限制的，為了覆蓋工作機較大范圍的工作力和工作速度的變化，以及操作性能的要求，在原動機和工作機之間設置了傳動機構，其作用是把原動機輸出功率經過變換后傳遞給工作機。 傳動機構通常分為電氣傳動、 機械傳動和流體傳動三類。

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13、畢業(yè)設計 (論文 )外文資料翻譯 系 部： 機械工程 專 業(yè)： 機械工程及自動化 姓 名： 學 號： 外文出處： 附 件： 指導教師評 語： 簽名： 年 月 日 注： 請將該封面與附件裝訂成冊。 (用外文寫 ) 附件 1：外文資料翻譯譯文 濾油器 液壓系統(tǒng)的故障大多數(shù)是由于油液中的雜質而造成的，油液中的污染雜質會使液壓元件運動副的結合面磨損，堵塞閥口，卡死閥芯，使系統(tǒng)工作可靠性大為降低。在系統(tǒng)中安裝濾油器，是保證液壓系統(tǒng)正常工作的必要手段。 濾 油器的分類 按濾芯的材料和結構形式，濾油器可分為網式、線隙式、紙質濾芯式、燒結式濾油器。

14、附錄 A 譯文 液壓系統(tǒng)設計 液壓技術被引入工業(yè)領域已經有一百多年的歷史了，隨著工業(yè)的迅猛發(fā)展，液壓技術更日新月異。伴隨著數(shù)學、控制理論、計算機、電子器件和液壓流體學的發(fā)展，出現(xiàn)了液壓伺服系統(tǒng)，并作為一門應用科學已經發(fā)展成熟，形成自己的體系和一套行之有效的分析和設計方法。好了，不多說了，現(xiàn)在我和大家來說說液壓系統(tǒng)設計的方法和注意問題。舉個液壓系統(tǒng)在機床運用的例子來和大家聊，并歡迎大家提出意見。 1 設計機床液壓傳動系統(tǒng)的依據(jù) 1. 機床的總體布局和工藝要求，包括采用液壓傳動所完成的機床運動種類、機械設計時提。

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18、0 - 附 錄 1 液壓制動系統(tǒng) 當踩下制動踏板，您希望該車輛停下。液壓制動踏板控制兩個部分。首先，在液壓作用下，由于采用細小的軟管或金屬線因此不必占用很大的空間。其次，液壓機構提供了一個很大的優(yōu)勢，由一個很小的力踩在制動踏板上，會產生很大的力作用于車輪上。制動踏板連接在充滿制動液的制動液壓缸的活塞上，液壓缸由活塞和油箱組成。 現(xiàn)代主缸其實是兩個獨立的腔體。這種結構稱之為雙回路系統(tǒng)，因為前腔連接到前制動器與后腔連接到后制動器。（有些車輛是對角連接）。兩個腔實際是分離的，允許緊急制動時一個系統(tǒng)失效另一個系統(tǒng)。

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