wheel tread

A non-contact optoelectronic measuring method of wheel set tread wear was researched.

提出了机车轮对踏面磨耗的一种 非接触 光电检测方法.

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rolling diameter of wheel tread

轮辋滚动直径

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Distinguishing Wearing Capacity of the Wheel Tread Contour of Locomotives and Cars

火车车轮踏面磨损量识别研究

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fault analysis about wheel tread slid flat of freight car and its countermeasure

货车车轮踏面擦伤故障分析及对策

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design of independently rotating wheel tread profile

独立轮踏面外形的设计

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Having measured the real wheel wear shape of DF_ ( 8B) locomotive, ST_ ( 2G) worn profile wheel tread model applying to 25 t axil load is developed.

根据对25t轴重的DF8B型机车车轮磨耗形状的实测，设计并试制了适用于该轴重的磨耗形踏面（ST2G型）样板。

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the numerical simulation of thermal - mechanics coupling for wheel tread brake

车轮踏面制动的热-机耦合数值模拟

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a new measuring device for wheel tread profile

车轮踏面形状的新测定装置

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the reasonable wheel tread conicity should match the rail cant, namely, equal to and a little bit bigger than the value of the rail cant;

合理的踏面锥度应该与轨底坡相匹配，等于或略大于轨底坡。

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In conclusion, we know after the front suspension optimized, the front wheel alignment parameters is more reasonable. The variation of tread is minished so that the abrasion of the tire is reduced. And also the vehcile keep some understeering characteristic after front suspension optimized.

最后总结出优化之后的前悬架使得前轮的定位参数更加合理，减小了轮距变化量，从而降低了轮胎磨损，并保证了样车具有一定的不足转向特性。

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measurement ruler with digital display used to detect flaws on wheel tread

数显铁路车轮踏面擦伤测量尺

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Described are the braking and releasing characteristics of the newly developed MER type control device of electro pneumatic braking on powered car train sets and light rail vehicles, the main advantages and technical parameters of the XFD F type wheel tread braking unit.

介绍了新开发的动车组及轻轨车辆用MER型电空制动控制装置的制动与缓解特性，XFD&F型踏面制动单元的主要优点及技术参数。

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research on hydraulic pressure stepless adjustment of front - wheel tread of mount tai - 25 tractor

25拖拉机前轮轮距液压无级调整的研究

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