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江城子十年生死两茫茫英语译文(最新版)

江城子十年生死两茫茫英语译文(最新版)
江城子十年生死两茫茫英语译文(最新版)

机械毕业设计英文外文翻译460数字控制 (2)

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空压机英文名称

往复式压缩机(活塞式压缩机) reciprocating compressor 螺杆式压缩机 screw compressor 单螺杆压缩机 single screw compressor 回转式压缩机 rotary compressor 滑片式压缩机 sliding vane compressor 单滑片回转式压缩机 single vane rotary compressor 滚动转子式压缩机 rolling rotor compressor 三角转子式压缩机 triangle rotor compressor 多滑片回转式压缩机 multi-vane rotary compressor 滑片 blade 旋转活塞式压缩机 rolling piston compressor 活塞式压缩机 reciprocating compressor 涡旋式压缩机scroll compressor 容积式压缩机positive displacement compressor 涡旋盘 scroll 固定涡旋盘 stationary scroll, fixed scroll 驱动涡旋盘 driven scroll, orbiting scroll 斜盘式压缩机(摇盘式压缩机) swash plate compressor 斜盘 swash plate 摇盘 wobble plate 阳转子 male rotor 阴转子 female rotor 主转子 main rotor 闸转子 gate rotor 无油压缩机 oil free compressor 膜式压缩机 diaphragm compressor 单作用压缩机single acting compressor 双效压缩机dual effect compressor 双作用压缩机 double acting compressor 双缸压缩机 twin

机械毕业设计英文外文翻译204机电一体化

附录 INTEGRATION OF MACHINERY (From ELECTRICAL AND MACHINERY INDUSTRY)ABSTRACT Machinery was the modern science and technology development inevitable result, this article has summarized the integration of machinery technology basic outline and the development background .Summarized the domestic and foreign integration of machinery technology present situation, has analyzed the integration of machinery technology trend of development. Key word:integration of machinery ,technology,present situation ,product t,echnique of manufacture ,trend of development 0. Introduction modern science and technology unceasing development, impelled different discipline intersecting enormously with the seepage, has caused the project domain technological revolution and the transformation .In mechanical engineering domain, because the microelectronic technology and the computer technology rapid development and forms to the mechanical industry seepage the integration of machinery, caused the mechanical industry the technical structure, the product organization, the function and the constitution, the production method and the management system has had the huge change, caused the industrial production to enter into “the integration of machinery” by “the machinery electrification” for the characteristic development phase. 1. Integration of machinery outline integration of machinery is refers in the organization new owner function, the power function, in the information processing function and the control function introduces the electronic technology, unifies the system the mechanism and the computerization design and the software which constitutes always to call. The integration of machinery development also has become one to have until now own system new discipline, not only develops along with the science and technology, but also entrusts with the new content .But its basic characteristic may summarize is: The integration of machinery is embarks from the system viewpoint, synthesis community technologies and so on utilization mechanical technology, microelectronic technology, automatic control technology,

机械类毕业设计外文翻译

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Analysis,Applications Of Cams INTRODUCTION It is absolutely essential that a design engineer know how and why parts fail so that reliable machines that require minimum maintenance can be designed.Sometimes a failure can be serious,such as when a tire blows out on an automobile traveling at high speed.On the other hand,a failure may be no more than a nuisance.An example is the loosening of the radiator hose in an automobile cooling system.The consequence of this latter failure is usually the loss of some radiator coolant,a condition that is readily detected and corrected.The type of load a part absorbs is just as significant as the magnitude.Generally speaking,dynamic loads with direction reversals cause greater difficulty than static loads,and therefore,fatigue strength must be considered.Another concern is whether the material is ductile or brittle.For example,brittle materials are considered to be unacceptable where fatigue is involved. Many people mistakingly interpret the word failure to mean the actual breakage of a part.However,a design engineer must consider a broader understanding of what appreciable deformation occurs.A ductile material,however will deform a large amount prior to rupture.Excessive deformation,without fracture,may cause a machine to fail because the deformed part interferes with a moving second part.Therefore,a part fails(even if it has not physically broken)whenever it no longer fulfills its required function.Sometimes failure may be due to abnormal friction or vibration between two mating parts.Failure also may be due to a phenomenon called creep,which is the plastic flow of a material under load at elevated temperatures.In addition,the actual shape of a part may be responsible for failure.For example,stress concentrations due to sudden changes in contour must be taken into account.Evaluation of stress considerations is especially important when there are dynamic loads with direction reversals and the material is not very ductile. In general,the design engineer must consider all possible modes of failure,which include the following. ——Stress ——Deformation ——Wear ——Corrosion ——Vibration ——Environmental damage ——Loosening of fastening devices

十年生死两茫茫不思量自难忘全文

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离心式压缩机英文对照

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机械类毕业设计外文文献翻译

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外文文献原文: Friction , Lubrication of Bearing In many of the problem thus far , the student has been asked to disregard or neglect friction . Actually , friction is present to some degree whenever two parts are in contact and move on each other. The term friction refers to the resistance of two or more parts to movement. Friction is harmful or valuable depending upon where it occurs. friction is necessary for fastening devices such as screws and rivets which depend upon friction to hold the fastener and the parts together. Belt drivers, brakes, and tires are additional applications where friction is necessary. The friction of moving parts in a machine is harmful because it reduces the mechanical advantage of the device. The heat produced by friction is lost energy because no work takes place. Also , greater power is required to overcome the increased friction. Heat is destructive in that it causes expansion. Expansion may cause a bearing or sliding surface to fit tighter. If a great enough pressure builds up because made from low temperature materials may melt. There are three types of friction which must be overcome in moving parts: (1)starting, (2)sliding, and(3)rolling. Starting friction is the friction between two solids that tend to resist movement. When two parts are at a state of rest, the surface irregularities of both parts tend to interlock and form a wedging action. To produce motion in these parts, the wedge-shaped peaks and valleys of the stationary surfaces must be made to slide out and over each other. The rougher the two surfaces, the greater is starting friction resulting from their movement . Since there is usually no fixed pattern between the peaks and valleys of two mating parts, the irregularities do not interlock once the parts are in motion but slide over each other. The friction of the two surfaces is known as sliding friction. As shown in figure ,starting friction is always greater than sliding friction . Rolling friction occurs when roller devces are subjected to tremendous stress which cause the parts to change shape or deform. Under these conditions, the material in front of a roller tends to pile up and forces the object to roll slightly uphill. This changing of shape , known as deformation, causes a movement of molecules. As a result ,heat is produced from the added energy required to keep the parts turning and overcome friction. The friction caused by the wedging action of surface irregularities can be overcome

十年生死两茫茫。不思量,自难忘。全文作者翻译赏析

十年生死两茫茫。不思量,自难忘。全文作者翻译赏析 十年生死两茫茫。不思量,自难忘。千里孤坟,无处话凄凉。 [译文]十年生死两处茫茫,不去想,也难以把它遗忘。她的孤坟在那遥远的地方,到何处去诉说我心中的凄凉呢? [出典]苏轼《江城子》注:1、《江城子》苏轼乙卯正月二十日夜记梦十年生死两茫茫,不思量,自难忘。千里孤坟,无处话凄凉。纵使相逢应不识,尘满面,鬓如霜。夜来幽梦忽还乡,小轩窗,正梳妆。相顾无言,惟有泪千行。料得年年肠断处,明月夜,短松冈。 2、【注释】①乙卯:公元1075年,即北宋熙宁八年。②孤坟:孟启《本事诗·徵异第五》载张姓妻孔氏赠夫诗:“欲知肠断处,明月照孤坟。”③幽梦:梦境隐约,故云幽梦。④小轩窗:意指小房的窗下。⑤顾:看。 3、【译文】两人一生一死,隔绝十年,音讯渺茫。克制自己不去思念吧,却本来难忘。妻子的孤坟远在千里,没有地方跟她诉说心中的凄凉悲伤。即使相逢也料想不会认识,因为我四处奔波,灰尘满面,鬓发如霜。晚上忽然在隐约的梦境中回到了家乡,只见妻子正在小窗前对镜梳妆。两人互相望着,千言万语不知从何说起,只有泪水流淌千行。料想那明月照耀着、长着小松树的坟山,就是妻子年年痛欲断肠的地方。译文2: 十年来我们人鬼殊途,纵然不去刻意想念,亦是难以相忘。你的坟墓孤单地立在千里之外,又有谁能同你聊起那凄凉的日子。即使我们现在能够相见,你大概也认不出我了吧,我已然尘土满面,鬓如寒霜。昨夜清冷的梦境中我突然回到了故乡,而你还坐在小窗前梳妆

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机械毕业设计外文翻译---装载机发展概况

外文资料翻译 学生姓名: 专业班级:机械设计制造及其自动化04级2班指导教师: 2008年6月

装载机发展概况 Abstract This paper have discussed s.s. ZL-50 type fork-lift truck mainly overall fictitious prototype design as well as some kinds of typical schoolwork operating modes imitate and emulate , include equipment and the overall parts needed build mould. In this design course, have applied ADAMS software and the software of PRO/ENGINEER. ADAMS software is used in the emulation of some kinds of schoolwork operating modes, and the software of PRO/ENGINEER is used to build mould mainly. Through the simulated emulation for some kinds of overall schoolwork operating modes, can see relatively distinctly the overall possible condition in actual schoolwork course that met , can in time modify , have reduced actual design time , have raised production efficiency. The innovation of this design Zhi is in in, imitate and have emulated fork-lift truck the 3 kinds of typical schoolwork operating mode in actual schoolwork, is effect again have imitated in actual schoolwork the hydraulic impact of use, so when being helpful to solve actual loading, the actual problem of meeting the stock that is hard to uninstall can so raise production efficiency. Key words: Fork-lift truck 、fictitious prototype , build mould, emulation, optimization、production efficiency Loader Development China's modern 20 wheel loaders began in the mid-1960s of the Z435. The aircraft as a whole rack, rear axle steering. After years of hard work, the attraction was the world's most advanced technology wheel loader on the basis of the successful development of the power of 162 KW of shovel-fit wheel loaders, stereotypes for Z450 (later ZL50), and in 1971 December 18, formally appraised by experts. Thus the birth of China's first articulated wheel loader, thus creating our industry loader formation and development history. Z450-type loader with hydraulic mechanical transmission, power shift, Shuangqiaoshan drive, hydraulic manipulation, articulated power steering, gas oil Afterburner brake wheel loaders, and other modern, the basic structure of the world's advanced level for the time . Basically represent the first generation of wheeled loading the basic structure. The aircraft in the overall performance of dynamic, and insertion force a rise of power and flexibility, manipulation of light, the higher operating efficiency of a series of advantages. 1978, Heavenly Creations by the Department in accordance with the requirements of machinery, worked out to LIUGONG Z450-based type of wheel loaders series of standards. The development of standards, with reservations Z

中英文文献翻译-螺杆压缩机

英文原文 Screw Compressor The Symmetric profile has a huge blow-hole area which excludes it from any compressor applicat -ion where a high or even moderate pressure ratio is involved. However, the symmetric profile per -forms surprisingly well in low pressure compressor applications.More details about the circular p -rofile can be found in Margolis, 1978. 2.4.8 SRM “A” Profile The SRM “A” profile is shown in Fig. 2.11. It retains all the favourable features of the symmetric profile like its simplicity while avoiding its main disadvantage,namely, the large blow-hole area. The main goal of reducing the blow hole area was achieved by allowing the tip points of the main and gate rotors to generate their counterparts, trochoids on the gate and main rotor respectively. T -he “A” profile consists mainly of circles on the gate rotor and one line which passes through the gate rotor axis.The set of primary curves consists of: D2C2, which is a circle on the gate rotor with the centre on the gate pitch circle, and C2B2, which is a circle on the gate rotor, the centre of whi ch lies outside the pitch circle region.This was a new feature which imposed some problems in the generation of its main rotor counterpart, because the mathematics used for profile generation at tha -t time was insufficient for general gearing. This eccentricity ensured that the pressure angles on th -e rotor pitches differ from zero, resulting in its ease of manufacture. Segment BA is a circle on th -e gate rotor with its centre on the pitch circle. The flat lobe sides on the main and gate rotors were generated as epi/hypocycloids by points G on the gate and H on the main rotor respectively. GF2 is a radial line at the gate rotor. This brought the same benefits to manufacturing as the previously mentioned circle eccentricity on Fig. 2.11 SRM “A” Profile

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