本书是为适应高等学校机械类专业英语的教学需要而编写的。本书主要内容包括：材料与热加工，机械零件，机床与液压传动，切削技术，机械电子学，阅读材料。本书编写中，从机械专业出发，注意现代机电技术的发展，按照从金属、钢铁到机器，从热加工到冷加工，从机器零部件到整台设备，从机械到机电一休化。以至将机、液、电子技术相结合的顺序来组织编写，循着机制造过程的自然顺序，由浅入深，由简到繁，循序渐进。
本书可供高等学校机械类专业师生及有关工程技术人员使用。

PART 1 MATERIALA &HOT WORKING
Lesson 1 Metals and Their Use
Lesson 2 Plastics and Other Materials
Lesson 3 Casting and Die-Casting Alloys
Lesson 4 Forging
Lesson 5 Soldering and Welding
Lesson 6 Heat Treatment and Hot Wording of Metals
Lesson 7 Kinds of Steels，Mechanical Properties of Metals
PART 2 MECHANICAL
Lesson 8 Gears and Reducers
Lesson 9 Worm Gear Sets
Lesson 10 Cams
Lesson 11 Belt Drives
Lesson 12 Keys and Springs
Lesson 13 Screws
Lesson 14 Shafts
Lesson 15 Bearings
Lesson 16 Couplings
Lesson 17 Clutches
Lesson 18 Brakes
Lesson 19 Linkages
Lesson 20 Functions of Lubricants
PART 3 MACHINE TOOLS&HYDRAULICS
Lesson 21 The Lathe
Lesson 22 Milling，Shaper，Planer and Grinding Machines
Lesson 23 Pressing Machine
Lesson 24 Automatic Machining
Lesson 25 Sources of Pressure-Pumps and Compressors
Lesson 26 Variable Speed Hydraulic Systems
Lesson 27 Electrohydrauilc Sevo Systems
PART 4 CUTTING TECHNOLOGY
Lesson 28 Maching Fundamentals
Lesson 29 Basic Machining Variables
Lesson 30 The Effect of Changes in Cuttijng Parameters on Cutting Temperatures
Lesson 31 Types of Tool Wear
Lesson 32 Mechanism of Sufrace Finish Production
Lesson 33 Limits and Tolerances
PART 5 MECHANOTRONICS
Lesson 34 Expert System Features and Explanatios
Lesson 35 Recent Progress in Construction Robotics
Lesson 36 Microcomputer-Based Robot Simulation
Lesson 37 Robotics
Lesson 38 Basics of Micrcomputers（Ⅰ）
Lesson 39 Basics of Micrcomputers（Ⅱ）
Lesson 40 Programmalbe Controllers
Lesson 41 CAD/CAM
Lesson 42 CNC and DNC
Lesson 43 Computer Control of Metal Cutting
Lesson 44 Flexible Manufacturing Systems
Lesson 45 Graphical Programming
Lesson 46 Computer Techniques in Vibration Analysis
Lesson 47 Pressure Transducers
Lesson 48 Feedabck Elements
Lesson 49 Introduction to Modern Control Theory
Lesson 50 Management Taks New Turn-The Report From Ford Motor Co.
PART 6 READING MATERIALS
Lesson 1 Drastic Changes in the Profession over the Past 30 Years Mean Engineers Must Have Knowledge of and Experience in Both the Development and the Management of Technology
Lesson 2 Machine Tools Get Smarter
Lesson 3 CAD/CAM on a Budget
Lesson 4 Optimization for Finite Element Applications
Lesson 5 Microfabrication Shrinks Electric Motor Size
Lesson 6 Professionally Speaking
Lesson 7 Modern Telescopes Require Precise Positioning for Pointing Stability and High Image Resolution
Lesson 8 A Turbine for Tomorrow’s Navy
Lesson 9 Synchronous Machines
Lesson 10 Expert Systems
Lesson 11 The Future of Robotics
Lesson 1 2 Higher Speeds and Power with Active Magnetic Bearing High Frequency Spindles
Lesson 13 Powder Metallurgy
Lesson 14 The Effect of Machining and Material Parameters on the Turning of Thermoplastics