附录 1
钕铁硼磁性材料
在汽车行驶过程中，驱动桥承受着繁重而复杂的载荷，它的传动件（齿轮及半轴等）要传递传动系中的最大扭矩；它的承载件（桥壳）支承着汽车汽车荷重，承载着作用于路面与车架或车厢之间的垂向、纵向和横向的静、动（冲击）载荷，以及反作用力矩或制动力矩等。在这些载荷的作用下，驱动桥必须必须保持有足够的强度、刚度，足够的寿命，以及满意的其他性能（例如我噪音）等。为此，驱动桥总成及其主要的零、部件，必须经受严格的实验。刮刮卡制作
通常，驱动桥总成及其主要零、部件一样，需装车后进行整车道路试验，和在室内进行台架实验，以考验驱动桥总成及其零、部件在整车上的适应性，以及其它的可能性、耐久性和其它性能。因此，我国许多汽车制造厂都设有道路试验室和总成及零部件实验室，而目前在国外，不论是综合性的汽车工业公司，还是生产汽车总成的专业公司，都设有规模较大的实验，研究中心，负责有关汽车的各种实验、研究和技术开发。有的还附设有相当规模的汽车试验场或专用实验跑道等。
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附录2
蜂窝纸芯
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 carr
aige 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.
led驱动电路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.结片机
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