機械工程專業(yè)英語

出版時間:2010-5  出版社:中國電力出版社  作者:杜必強 編  頁數(shù):224  

前言

  專業(yè)英語是大學英語教學的重要組成部分,是促進學生完成從學習過渡到實際應用的有效途徑。教育部于2007年頒布了《大學英語課程教學要求》,該文件中將大學英語的教學要求分為三個不同的層次——一般、較高和更高要求,并分別對這三個層次的英文文獻閱讀能力提出了不同的要求。強調大學英語課程要保證學生在整個大學期間的英語語言水平穩(wěn)步提高,要能滿足他們專業(yè)知識的發(fā)展,并提出應注重培養(yǎng)自主學習能力的教學思想和實踐的轉變。根據(jù)這個精神,編者編寫本書,以幫助學生通過專業(yè)外語的學習能順利閱讀有關專業(yè)的原版教科書、參考書及其他參考資料,并滿足高等院校機械類專業(yè)學生專業(yè)外語教學的需要和機械工程技術人員學習英語的要求。  全書共精選專業(yè)文章49篇,分為七部分,每部分各有側重,讀者可根據(jù)自己的專業(yè)領域選取不同部分進行閱讀。主要內容包括:第一部分8篇,以金屬材料及熱處理方面的文章為主;第二部分包含了9篇有關機械零件方面的文章;第三部分的7篇文章則側重于機械設計理論方面;第四部分的8篇文章為有關機械制造技術的基礎知識及理論:第五部分是有關各種先進制造技術方面的6篇文章;第六部分10篇,側重于機電控制技術;第七部分的ll篇文章則屬于擴展閱讀,立足于反映出機械專業(yè)技術的現(xiàn)狀和發(fā)展趨勢,同時選取了部分與電力行業(yè)密切相關的文獻材料?! ”緯鴥热菪路f、取材精練、難度適中,所選內容涵蓋了學生所學習過的專業(yè)知識,又有所拓展和延伸,從而既可提高讀者的英語閱讀水平,又能使讀者了解學科前沿。

內容概要

本書為普通高等教育“十一五”規(guī)劃教材。本書共精選文章49篇,分為七部分,每部分各有側重,讀者可根據(jù)自己的專業(yè)領域選取不同部分進行閱讀。主要內容包括:金屬材料及熱處理,機械零件,機械設計理論,機械制造技術的基礎知識及理論,各種先進制造技術,機電控制技術以及擴展閱讀。    本書可作為高等學校本科機械工程專業(yè)英語的教材,也可供高職高專院校相關專業(yè)師生和工程技術人員參考。

書籍目錄

前言Part 1 Mechanical Materials and Heat Treatment  1.1 Ferrous Metals and Their Use  1.2 Nonferrous Metals  1.3 Ceramics and Other Materials  1.4 Castings  1.5 Forging  1.6 Welding  1.7 Heat Treatment  1.8 Engineering MaterialPart 2 Mechanical Elements and Mechanisms  2.1 Transmission  2.2 Gear  2.3 Belt Drive  2.4 Coupling  2.5 Bearing  2.6 Hydraulic Machineries and Hydraulic Circuits  2.7 Hydraulic Pump and Control Valve  2.8 Other Components of Hydraulic System  2.9 Properties of Hydraulic Fluids  .Part 3 Mechanical Design  3.1 Mechanical Design  3.2 Elementary Rules of Mechanical Design  3.3 Engineering Tolerance  3.4 Design Method (I)  3.5 Design Method (II)  3.6 Reliability Engineering  3.7 Computer Aided DesignPart 4 Mechanical Manufacturing  4.1 Metal Working  4.2 Tool Bit  4.3 Materials for Cutting Tools  4.4 Tool wear  4.5 Cutting fluid  4.6 Lathe  4.7 Speeds and Feeds  4.8 Computer Aided ManufacturingPart 5 Advanced Manufacturing  5.1 Computer Integrated Manufacturing  5.2 Flexible Manufacturing System  5.3 Agile Manufacturing  5.4 Virtual Manufacturing  5.5 Intelligent Manufacturing  5.6 Concurrent EngineeringPart 6 Mechatronics  6.1 Introduction to Control Systems  6.2 Structure and Characteristics of Control System  6.3 Compensation Techniques  6.4 Digital Control  6.5 Building Appropriate Mathematical Models for a Control System  6.6 PLC and Its History  6.7 Mechatronic Research and Development  6.8 Numerical Controlled (NC) Machines  6.9 Industrial Robot  6.10 Benefits of MechatronicsPart 7 Extensional Reading  7.1 New Austenitic Stainless Tube with Superior High Temperature Strength  7.2 Automated Guided Vehicle  7.3 Reverse Engineering  7.4 Lean Manufacturing  7.5 Enterprise Resource Planning  7.6 Other Manufacturing Technology  7.7 Sustainable Design  7.8 Knowledge-based Engineering  7.9 Computer Simulation  7.10 Who Owns Mechatronics?  7.11 Coal Handling System and Equipment for Power Stations in ChinaReferences

章節(jié)摘錄

  If variables such as cutter geometry and the rigidity of the machine tool and its toolingsetup could be ideally maximized (and reduced to negligible constants), then the amount ofpower (that is, kilowatts or horsepower) available to the spindle would determine themaximum speeds and feeds possible for any given workpiece material and cutter material. Ofcourse, in reality those other variables are dynamic and not negligible; but there is still acorrelation between power available and feeds and speeds employed.  Cutting speed may be defined as the rate (or speed) that the material moves past thecutting edge of the tool, irrespective of the machining operation used —— the surface speed. Acutting speed for mild steel, of 100 ft/min (or approx 30 meters/min) is the same whether it isthe speed of the (stationary) cutter passing over the (moving) workpiece, such as in a turningoperation, or the speed of the (stationary) workpiece moving past a (rotating) cutter, such as ina milling operation. What will affect the value of this surface speed for mild steel are thecutting conditions,  For a given material there will be an optimum cutting speed for a certain set of machiningconditions, and from this speed the spindle speed (RPM) can be calculated.

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