汽车专业英语 教学课件 作者 宋进桂汽车专业英语课件-section 4Chapte12.3.ppt

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1、Section4AutomotiveDesignandManufacturingChapter12AutomotiveManufacturing12.1Vehiclearchitecturedesignandmanufacturing12.2InjectionMoulding12.3JoiningForLightweightVehiclesChapter12AutomotiveManufacturing12.3JoiningForLightweightVehiclesNewWordsstrength[streŋθ]n.强度，浓度alloy['ælɔi

2、]n.合金aluminum[ə'lju:minəm]n.铝，铝合金magnesium['mæg'ni:ʃiəm]n.镁reinforce[¸ri:in'fɔ:s]v.加强，加固，增加manufactureability[¸mænju'fæktʃərə'biliti]n.工艺性，可制造性assemble[ə'sembl]v.集合，聚集，配装，组合，汇编defect[di'fekt]n.毛病，缺点，缺陷，不足之处Chapter12AutomotiveManufacturing12.3JoiningForLightweightVehiclesNewWords

3、initiation[i¸niʃi'eiʃən]n.启动，开始，开始实施，创始phase[feiz]n.阶段，时期，方面，相，相位tungsten['tʌŋstən]n.钨stir[stə:]v.&n.拨动，搅拌fasten['fɑ:sn]v.连接，固定，扎牢，系紧，闩住，钉牢pierce['piəs]v.刺穿，刺破，穿过，穿(孔,洞)rivet['rivit]n.铆钉；v.铆,铆接clinch[klintʃ]v.用敲弯(或敲平)钉尖的办法把...钉牢；咬紧Chapter12AutomotiveManufacturing12.3JoiningForLi

4、ghtweightVehiclesNewWordsporosity[pɔ:'rɔsiti]n.多孔性，孔隙率，缩松，孔（隙），砂眼metallurgical[¸metə'lə:dʒikl]a.冶金的，冶金学的grain[grein]n.谷物，细粒，颗粒，晶粒，粒度，纹理pool[pu:l]n.熔池，游泳池，水池，水塘solidification[sɔlidifi'keiʃən]n.凝固，固化distortion[dis'tɔ:ʃən]n.扭曲，变形，扭曲变形，失真，畸变spatter['spætə]v.溅，洒，溅污，飞溅Chapter12Automot

5、iveManufacturing12.3JoiningForLightweightVehiclesWiththeincreasingtrendtowardlightweightvehicles,thebodymaterialsforautomobilesarechangingfrommostlylowcarbonsteelstoamixofmaterialsthatincludesbothlowcarbonsteelsandhighstrengthsteels,lightnon-ferrousalloys,suchasaluminumandmagnes

6、iumalloys,andfiberreinforcedpolymers.Theacceptanceofthesematerialswilldependnotonlyontheirstructuralperformanceandmanufacturability,butalsoonthejoiningmethodsthatcanbeusedtoassembletheminarapid,robustandreliablemanner.Thestructuralperformanceofajointdependsonthejoiningmethod,joi

7、ntgeometryandjointquality.Thejoiningmethodoftendependsonthematerialsbeingjoined,butundermassproductionconditionsitmustalsobequick,lessdependentonfitanddimensionalvariationsofthepartsbeingjoinedandasdefectfreeaspossible.Chapter12AutomotiveManufacturing12.3JoiningForLightweightVeh

8、iclesJoiningisanimportantconsiderationinthedesi