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Vibration caused by automobile gear assembly error

The speed of driving wheel is 1200 R / min, the meshing frequency of automobile gear is 160 Hz, the rotation frequency of driving wheel is 125 Hz and the rotation frequency of driven wheel is 25 Hz. (1) The vibration refinement spectrum of automobile gear under normal assembly...

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Vibration caused by natural frequency of automobile gear

All defective automobile gears will produce high-level pulses in operation, which will usually arouse the natural frequency (also known as natural frequency) of automobile gears. The test diagram of vibration amplitude spectrum caused by natural frequency is shown in the figure. Substitute N1 = 624 R / min and...

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Gear hobbing machining of automobile gear

Driven by the rapid development of automobile industry, China’s automobile gear manufacturing industry shows sustained and rapid growth. According to the preliminary statistics of 56 major domestic automobile gear enterprises, the annual output of automobile gears has exceeded 80 million pieces, and China has become a large automobile gear...

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Vibration test of automobile gear

The vibration experiment of automobile gear adopts SSA signal and analysis software combined with acceleration sensor to test the vibration of automobile gear. It mainly includes two parts: hardware device and software analysis. 1. Design of hardware device Hardware devices include mechanical, conversion and measurement devices. The mechanical device...

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Vibration test and analysis of Automobile Gears

On the rear axle main reducer of modern automobile, the most widely used gear is hypoid gear, which is characterized by the spatial intersection of the axes of the driving and driven wheels (small and large gears), and the spatial intersection angle is 90 °. The driving wheel is...

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Development direction of automotive gear materials

With the requirements of light-duty and high-performance automobile, the development of automobile industry puts forward new requirements for gear materials. Automotive gear steel is mainly developing in the direction of high purity, narrow hardenability band, fine grain, easy machining and easy cutting, and the lightweight of automotive gear material...

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