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    2. 欢迎来到 - 方圆美文网 !    
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      盘点制造业史上的“次” 个个都是经典

      时间:2019-03-23 11:54 点击:
      【中国机床商务网栏目 国内新闻】制造业的历史上有许许多多的次,一辆自行车、辆汽车、辆火车、台数控

        【中国机床商务网栏目 国内新闻】制造业的历史上有许许多多的次,一辆自行车、辆汽车、辆火车、台数控机床……这些“次”的诞生都带动了制造业向前迈进了一大步。今天,就让我们回忆这些制造业“次”,看看它们是如何诞生的。
       

        辆自行车
       

        世界上辆自行车出现于1790年,由法国人希布拉克用木材制成,没有脚蹬,靠双脚交替踏地前进。
       

        1801年,俄国人阿尔塔莫诺夫发明了一辆轮子前后挂着的小车。这些发明家把它作为礼物献给了俄国沙皇。
       

        1831年,德国人德烈斯发明了车把,可以方便地转弯。
       

        1839年,英国人麦克米伦发明了脚踏,装于前轮上。
       

        1880年,法国人基尔梅发明了链条,用它带动后轮旋转。
       

        1888年,英国人邓勒普发明了充气车胎 。
       

      盘点制造业史上的“次” 个个都是经典

       

        辆汽车
       

        世界公认的汽车是德国人卡尔·弗里特立奇·本茨。他在1885年研制出世界上辆马车式三轮汽车。经过反复试验,1886年1月29日,本茨为他发明的三轮汽车成功申请了德国发明专利。政府授予了他专利证书(专利号:37435),标志着世界上辆汽车正式诞生。此后,这辆车终于以全新的面貌行驶在曼海姆城的大街上,因此德国人把1886年称作汽车的诞生年。就在这一年,戴姆勒发明了世界上辆四轮汽车,因此他被人们称作“现代汽车之父”。本茨发明的三轮汽车,现珍藏在德国慕尼黑科技博物馆,保存完整无缺,还可以发动,旁边悬挂着“这是世界辆汽车”的说明牌。
       

      盘点制造业史上的“次” 个个都是经典


       

        1887年,卡尔·本茨将他的辆汽车卖给了法国人埃米尔·罗杰斯,这是世界上辆现代汽车的销售。同年,卡尔·本茨成立了世界上家汽车制造公司——奔驰汽车公司。
       

        辆火车
       

        1814年,斯蒂芬森的蒸汽机车火车头问世。他发明的这个铁家伙有5吨重,车头上有一个巨大的飞轮。这个飞轮可以利用惯性帮助机车运动,斯蒂芬森为他的发明取了个名字叫“布鲁克”。这个布鲁克可以带动总重约30吨的8个车厢。在以后的10年中,他又造了11个与布鲁克相似的火车头。
       

        斯蒂芬森的新发明也有很多缺点,首先是震动太大。有一次,甚至震翻了车;其次是速度不快。因此,斯蒂芬森经过改进,重新设计了一辆火车。在设计制造火车的同时,他说服了皮斯先生。
       

        1821年,皮斯先生正在筹划铺设从斯托克顿到达灵顿供马拉车用的铁轨,皮斯听了斯蒂芬森的建议,就委托他制造一台火车头。斯蒂芬森受委托后,加紧了工作的步骤。终于造出了一辆新的更先进的蒸汽机车,他将它命名为“旅行号”。
       

      盘点制造业史上的“次” 个个都是经典


       

        1825年9月27日,斯蒂芬森亲自驾驶世界上列火车,这列火车以每小时24公里的速度,从达灵顿驶到了斯托克顿,这列火车以每小时24公里的速度,从达灵顿驶到了斯托克顿,铁路运输事业从这天开始。
       

        台数控机床
       

        1947年,约翰·帕森斯是设在美国密执安州特拉弗斯城的帕森斯工厂的负责人。这家工厂生产直升机旋翼。在当时,数字计算机仍属于一种庞然大物,但会计师使用的穿孔卡式计算机到处可见。帕森斯租用了一台IBM会计计算机来计算某些设计参数,因为直升机旋翼叶片的形状是由复杂方程式来确定的。
       

      盘点制造业史上的“次” 个个都是经典


       

        为了制造叶片型板,工人们通常在开始时,先标刻确定型板曲线的17个点,每一次都得很费力地用计算尺进行计算,然后再将这些点连在一起,手工画出型板的轮廓,剪裁出大致的形状,后再锉成所要求的规格。在这一过程中,即使熟练工人也不可避免地会产生误差,导致型板损坏,并浪费了很多时间。
       

        基于这一事件,帕森斯设想能够建造一台完全自动化的机器,因为如果人操作的话,为了产生足够多的轮廓点,需要花费大量的时间去操控切削头到达指定的位置。如果可以输入指令直接给机器,那可以避免控制切削头沿X轴,Y轴移动的时间,这样可以制作更好的模板。
       

        帕森斯将这一设想送交给美国空军,空军将计划的控制权又交给了麻省理工学院,在麻省理工学院的参加和协助下,终于在1949年取得了成功。1951年,他们正式制成了台电子管数控机床样机,成功地解决了多品种小批量的复杂零件加工的自动化问题。
       


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