Hot - rolled section steel for automobile wheel felloe 汽车车轮轮辋用热轧型钢
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Now attach your felloes , make your rim 配上外圈，成形了
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It had stout wheel - spokes , and heavy felloes , a great curved bed , immense straps and springs , and a pole like a battering - ram 它的轮辐很结实，轮瓦很厚，带拱顶的大车厢，皮带和弹簧粗大，车辕就像攻打城市的大木头。
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American law specifies that if car / motorcycle / motorcar and its parts ( brake hose , car lighting , reflector , brake fluid , tyre and felloe , glass , headgear , paint and chemical coating materials used for traffic means , and so on ) , ship , plane , truck , tank truck , electric car , tyre , air - pocket and such products want to come into america for sale and use , they have to get the dot certification 美国法律规定，进入美国销售和使用的汽车/摩托车/电动车整车及零部件(制动软管、车灯、反射镜、制动液、轮胎和轮辋、玻璃、头盔，用于交通工具的油漆、化工涂料等) 、轮船,飞机,卡车,油罐车,电动车,轮胎,气囊等产品必须通过美国交通部的dot认证。
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First , the wheelset is fixed and rotated by the device used hi vehicle depot as usual . second , the center line of wheelset axis is determined by a device called axis - center probe . last , the acting device for sensor can draw a whole felloe profile , which is made up of parallel - pole device and rotating - probe 鉴于此，本文给出了一种全新的测量方案：采用车辆段普遍使用的转轮器实现被测轮对的定位；采用车轴基准探尺测定被测轮对的轴线；采用并联式伸缩机构和旋转测头作为传感器的执行机构，测定轮辋断面的轮廓线。
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The main computer is programmed under windows , while the assistant computer is programmed under dos . the last , based on the idea of module - structure , the software of the testing system are designed , thus this software system is compatible and transplantable to design again . the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor , the rotating - probe can test the felloe mould in scanning way 借助虚拟仪器的思想，对测控系统进行了设计：采用光栅尺、光电编码器测量可动部件的运动量，分辨率高、误差小；采用细分驱动的步进电机装置，控制性能好；系统实施环境温度的检测、补偿，提高了检测精度；基于两级微机组建测控系统：主机为人机界面，采用windows编程，从机用dos编程，实时性好；软件设计采用兼容性和移植性好的模块式结构，便于二次开发。
