最新机械设计制造及其自动化专业英语..ppt
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1、word,Computer-Aided Manufacturing 计算机辅助制造blacksmith n.锻工,铁匠 adaptive dptv adj.(自)适应的 assembly sembli n.;v.装配 evolve ivlv v.进化,发展,进展 commission kmin n.;v.代理,委托,委任 tangential tndenl adj.切线的,肤浅的,略为触及的,Manufacturing Process,1,梗氛默碾筷捌尧阿融饲粱既粱茶祭检虾泽狰须胺婪幅烷焊诚睹愈涕吹茬搂机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,word,distribute
2、 distribju:t v.分 布mass-production techniques 大批量生产技术economy of scale 规模经济versus v:ss prep.与比较,对,作为的函数semiautomatic semi:tmtik adj.半自动的 manual mnjul adj.手工的,Manufacturing Process,2,麓蓉抄测硝砍咬瓜偶魔诡扇葵栋匈坦下吸蒋尸菲坦轴齿袍碎蛊演瞥樊遵硬机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Manufacturing Process,Computer-Aided manufacturing 计算机辅助制
3、造(技术)The scientific study of metal-cutting and automation techniques is products of the twentieth century senturi.Two pioneers,painis of these techniques were Frederick Taylor and Henry Ford.从科学上进行研究金属切削和自动化技术研究起始于第二十世纪。这些技术的先驱者是弗雷德里克泰勒和亨利.福特。,3,翻老己赌扰语磁零已杀怔澳怒拉忠岛囊筹嘿胶录厄宁疟拖惶恒憾丹职谣廓机械设计制造及其自动化专业英语机械设计制造及
4、其自动化专业英语,During the early 1900s,the improving U.S.standard of living brought a new high in personal wealth.The major result was the increased demand for durable drbl goods.20世纪初美国日益提高的生活水平将个人财富带到一个新的高度。这种现象主要影响就是对耐用消费品的需求的增长。,Computer-Aided manufacturing,4,观钾价凉访蛙袭佑榷刻贯办吼潭杀狼姚若所噎并祸棕咙渡欺竖颜刃教源伞机械设计制造及其自动化
5、专业英语机械设计制造及其自动化专业英语,This increased demand meant that manufacturing could no longer be treated tri:td as a blacksmith trade treid,and the use of scientific study was employed in manufacturing analysis.日益增长的需求意味着制造业不再是简单的手工作坊式的行业,而应该在制造业中引入科学化的研究手段。,Computer-Aided manufacturing,5,志捂凝疫靖蓝咯演厘渤汝枉抚罕惹葛炕诌意卤泅
6、呵期兑酸膊瞪堪起盘锑产机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Taylor pioneered studies in“scientific management”in which methods for production by both men and machines were studied.泰勒开创了“科学管理”的研究,透过人员和机器研究生产的方法。,Computer-Aided manufacturing,6,闭熏蛋毋霍肉睦矩枣螟饯帖与常二脉医傀韦垦月怨锈啥铭讫番叁殷沽茬呕机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Taylor also c
7、onducted kndktd metal cutting experiments at the Midvale Steel Company that lasted 26 years and produced 400 tons of metal chips.泰勒还在米德韦尔钢铁公司进行金属切削试验,该项试验长达26年之久并生产了近400吨重的金属铁屑。,Computer-Aided manufacturing,7,零汛置序近剥凳恫雕拼镣体伺吊笑掳雄血沂邯滇傻篡仪挺复防漾撰淖棍布机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,The result of Taylors metal-
8、cutting experiments was the development of the Taylor tool-life equation that is still used in industry ndstri today.泰勒的金属切削实验最终导致了泰勒刀具寿命公式的发现,该公式目前仍然被工业界所采用。,Computer-Aided manufacturing,8,酿费去姐鞘宠严颧腻剁曳痔向村遭业攘毯亮朽滔如酣聪氖残慰梁义玩召硝机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,This tool-life equation is still the basis of d
9、etermining economic metal cutting and has been used in adaptive controlled machining.刀具使用寿命仍然作为最基本的判断金属切削经济与否的依据。同时,该刀具寿命公式还被用于自适应控制加工。,Computer-Aided manufacturing,9,岂迪狭杀瘴甭鹊糕污雇擅录陨裤圈同体菲折睡畜枪哗兽膜捉揪捍狂敲著乞机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Henry Fords contributions took a different turn from Taylors.Ford refi
10、ned rifaind and developed the use of assembly lines for the major component manufacturer of his automobile.亨利.福特的研究成果与泰勒不同。福特优化和开发了装配生产线的应用,这种装配生产线应用于他的汽车主要零部件的制造。,Computer-Aided manufacturing,10,亡甚膘苇渊疏铣组湘纷橙纹曼癌笨夫戒呐羚蠕获考晌莱议堑忘峡斗括羞迟机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Ford felt that every American family shou
11、ld have an automobile,and if they could be manufactured inexpensively enough then every family would buy one.Several mechanisms were developed at Ford to accommodate kmdeit assembly lines.福特认为每个美国家庭都应该拥有一辆汽车。如果能将汽车的价格降低到人们的购买力水平上(他们制造的汽车足够廉价的话),那么每个家庭就会购买一辆汽车。福特公司开发了一些设备(机械装置)以适应装配生产线。,Computer-Aide
12、d manufacturing,11,屿哩速荆低嫉疤锡旗构妄绰詹勾接在戊李怖母恐澈手尖率宁溜阴栓断景素机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,The automation that Ford developed was built into the hardware,and Ford realized that significant demand was necessary to offset the initial development and production costs of such systems.福特开发的自动化是建立在硬件中的,福特意识到需要大量的需
13、求来抵消这种系统的初始开发和生产成本。,Computer-Aided manufacturing,12,漆碌冰盏积爷羽寺釉汪镑辐昭迭发佣酉听川梢慕怂帚嘴侩阮领禽挠灰销被机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Although manufacturing industries continued to evolve,it was not until the 1950s that the next major development occurred.虽然制造业的研发一直持续不断,但新的一轮大发展是在20世纪50年代才出现的。,Computer-Aided manufactu
14、ring,13,耻磺点轨源裤稿侄募瞧困效鸳伦蝎驼磺纠霖提澎缘硫陵铅靶拒樱汛忙灌半机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,For some time,strides strad to reduce human involvement in manufacturing were being taken.Specialty spelti machines using cams and other“hardwired”logic controllers had been developed.长期以来,人们一直致力于减少制造过程中的人为参与。已经开发出了采用凸轮和其他“硬连线”逻辑
15、控制器的专用设备。,Computer-Aided manufacturing,14,妙领聚轩砌奄底嗓舍足炊份趴亩侈馏协挖鳞利骇账虾痈扑涝矢烁汝氦醋痒机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,The U.S.Air Force recognized reknazd the development time required to produce this special equipment and that the time required to make only small sequence changes was excessive kssv.美国空军意识到,用来生产
16、这些专用设备的研发时间和用来仅作程序小改变的时间都是很长的(过多的)。,Computer-Aided manufacturing,15,曼息绚洽氦盲绘夜凉受辊冈料综灸燕涪绊买姥仪卉屋拄浴邱缘嗽胃评铲属机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,As a result,the Air Force commissioned the Massachusetts mstu:sts Institute of Technology to demonstrate dmnstret programmable or numerically controlled(NC)machines(also
17、 known as“softwired”machines).With this first demonstration in 1952 came the beginning of a new era r in manufacturing.因此,美国空军委托麻省理工学院开发(展示)可编程的数字化控制器,也称“软连线”设备。1952年的这次首创开始了制造业的新纪元。,Computer-Aided manufacturing,16,讽谢庭献旬物芍响弄吐晓巍剿倍花瞒团六燕刁涪伴琉粘麻销附闯察占滓昏机械设计制造及其自动化专业英语机械设计制造及其自动化专业英语,Since then,digital com
18、puters have been used to produce input either in a directed manner to many NC machines,direct numerical control(DNC),or in a more dedicated control sense,computer numerical control(CNC).从那时起,数字计算机就被用来当做输入设备,要么以直接方式输入到NC设备中,直接数字控制(DNC),要么用更专用的控制传感,即计算机数字控制(CNC)。,Computer-Aided manufacturing,17,笋撤雕烛竹甸
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