機(jī)械專業(yè)英語期末考試復(fù)習(xí)題庫.doc

metal金屬nonferrous非鐵金屬，有色金屬ferrous黑色金屬copper銅aluminum 鋁strength強(qiáng)度hardness硬度corrode腐蝕foundry 鑄造、鑄造廠casting鑄件、鑄造pig iron 生鐵drop forging 落錘鍛tolerance公差furnace爐子pyrometer 高溫計(jì)solder焊料weld焊接electrode 電極anneal退火Melting point熔點(diǎn)grinding 磨削加工tempering 回火quench 淬火、熄滅modulus 系數(shù)，模elasticity彈性elastic 彈性的mesh 嚙合worm蝸桿spur gear直齒圓柱齒輪helical gear斜齒圓柱齒輪straight bevel 直齒錐齒輪worm gear 渦輪lubricant潤滑劑pitch螺距l(xiāng)ead 導(dǎo)程torque 扭矩rack齒條left hand threads左螺紋right hand threads 右螺紋cam凸輪follower從動(dòng)件pulley 滑輪belt 皮帶critical 臨界點(diǎn)woodruff key 半圓鍵cantilever 懸臂tepered key 錐形鍵washer 墊圈spring 彈簧screw 螺釘bolt螺栓coupling 聯(lián)軸器nut 螺母chain 鏈條bearing 軸承rigid剛性的intensity 強(qiáng)度flexibility撓性inertia慣性tolerance公差pin-joint 鉸接hinge 鉸鏈brake制動(dòng)器lathe 車床thread 螺紋drilling鉆削boring 鏜削milling銑削turning 切削friction 摩擦力chip 屑片external grinder 外圓磨床die 模具internal grinder 內(nèi)圓磨床finish粗糙度surface grinder 平面磨床centerless grinder 無心磨床cutter grinder工具磨床wear 磨損refinement精加工roughing operations 粗加工twist drill麻花鉆twist drill麻花鉆trail 蹤跡, 痕跡, 形跡jack 提高robotics機(jī)器人技術(shù)manipulator 操作者, 操縱者, 機(jī)械手binary二進(jìn)位的, 二元的swarf金屬屑rake angle前角rolling contact bearing滾動(dòng)軸承sliding contact bearing滑動(dòng)軸承angular contact bearing角接觸軸承Read-only memory 只讀存儲器Hard automation剛性自動(dòng)化Random access memory 隨機(jī)存儲Geometric modeling幾何造型Engineering analysis工程分析Kinematics運(yùn)動(dòng)學(xué)Automatic drawing自動(dòng)繪圖numerical control 數(shù)字控制factory Management工程管理Computer Numerical Control計(jì)算機(jī)數(shù)控Direct numerical control直接數(shù)控User interface用戶接口Knowledge base知識庫（1）.cad，cam全稱，功能Cad：Computer-aided design1. Geometric modeling 幾何造型2. Engineering analysis 工程分析3. Kinematics運(yùn)動(dòng)學(xué) 4. Automated drafting 自動(dòng)繪圖Cam：computer-aided manufacturing1. Numerical control 數(shù)字控制2. Process planning 工藝加工過程 3. Robotics 機(jī)器人技術(shù) 4. Factory management 工廠管理（2）齒輪的種類：1.spur gear 2.helical gear3.straight bevel（3）鑄造工藝包括那幾步：1. making molds2.preparing and melting the metal3. pouring the metal into the molds4. cleaning the castings.（4）列舉幾種常用的機(jī)械零部件：Gear key shafe screw bolt bearing（5）皮帶傳動(dòng)是否精確為什么？not precise Belt depend on friction on the pulleys and some slippage is inherent in their operation.（6）道具磨損類型有哪些：1. Flank wear2. crater wear3.notch wear（7）鋼的力學(xué)性能：(1) Strength 強(qiáng)度(in tension張力, compression壓力, shear 剪切力and bending彎曲力) (2) Stiffness剛性(3) Ductility延展性(4) Impact strength 沖擊強(qiáng)(5) Hardness硬度(6) Toughness韌性句子翻譯1對于深溝球軸承溝槽的深度大約是球直徑的1/4In deep-groove ball bearings, the races are approximately one fourth as deep as the ball diameter.2.把金屬件焊接強(qiáng)度來決定There are a number of methods of joining metal articles together, depending on the type of metal and the strength of the joint which is required.3.軟釬焊的工藝Soldering is the process of joining two metals by a third metal to be applied in the molten state.4.力學(xué)性能是什么Mechanical properties are the characteristic responses of a material to applied forces.5.用于冷加工的機(jī)器叫做壓力機(jī)The machine used for most cold-working operations is known as a press.6.切削刀具The cutting tool must be made of an appropriate material; it must be strong, tough, hard, and wear r