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附 錄 1
在汽車行駛過程中，驅(qū)動橋承受著繁重而復(fù)雜的載荷，它的傳動件（齒輪及半軸等）要傳遞傳動系中的最大扭矩；它的承載件（橋殼）支承著汽車汽車荷重，承載著作用于路面與車架或車廂之間的垂向、縱向和橫向的靜、動（沖擊）載荷，以及反作用力矩或制動力矩等。在這些載荷的作用下，驅(qū)動橋必須必須保持有足夠的強度、剛度，足夠的壽命，以及滿意的其他性能（例如我噪音）等。為此，驅(qū)動橋總成及其主要的零、部件，必須經(jīng)受嚴格的實驗。
通常，驅(qū)動橋總成及其主要零、部件一樣，需裝車后進行整車道路試驗，和在室內(nèi)進行臺架實驗，以考驗驅(qū)動橋總成及其零、部件在整車上的適應(yīng)性，以及其它的可能性、耐久性和其它性能。因此，我國許多汽車制造廠都設(shè)有道路試驗室和總成及零部件實驗室，而目前在國外，不論是綜合性的汽車工業(yè)公司，還是生產(chǎn)汽車總成的專業(yè)公司，都設(shè)有規(guī)模較大的實驗，研究中心，負責(zé)有關(guān)汽車的各種實驗、研究和技術(shù)開發(fā)。有的還附設(shè)有相當規(guī)模的汽車試驗場或?qū)Ｓ脤嶒炁艿赖取?
附 錄 2
In automobile driving process, driving axle under the heavy and complicated load, its transmission parts (gears and half axle, etc.) to pass the transmission of the maximum torque, It's ChengZaiJian (bridge shell) supporting the car automobile load, bearing the effect on the pavement and frame or carraige between vertical and lateral and longitudinal impact of dynamic and static load, and (the) reaction torque or braking torque, etc. In these load, under the action of driving axle must must maintain a sufficient strength, stiffness, enough life, and satisfactory other properties (such as I noise), etc. Therefore, driving axle assembly and the main parts and components, must undergo strict experiments.
Usually, driving axle assembly and its main parts and components, need to load the same after the road test, and the vehicle in indoor experiments to test bench and its driving axle assembly parts and components in the vehicle on the adaptation and the other possibilities, durability and other properties. Therefore, our country many automobile factory is equipped with the road test and assemblies and components laboratory, and at present in a foreign country, whether comprehensive vehicle industry company, or production automobile assembly specialized company, is equipped with larger scale of experiment, the research center, be responsible for relevant car various experimental, research and development of the technology. Some still laden with the large scale of automobile farms or special experimental runway.