Hagrid unveils the perfect transformation of the sleeper


The traditional sleeper is usually the representative of the low-end model. When the reporter walks into the Hagrid sleeping car, he sees another scene, a luxurious leather seat, a 140-degree angle of inclination, and ample seating space. Adhering to the heart-bearing

The key to traditional instruments breaking the barrier

China's economy is in a period of strategic opportunities for rapid development, and instruments and instruments have played a significant role in promoting economic development and social industry transformation. In recent years, instrumentation has gradu

Digital Analysis of the Effect of Gear Structure on the Earthquake Force


The finite element model of the vibration of the gear structure is complicated by the gear structure, and its structure is often simplified in the structural dynamic analysis. It is now simplified to a circular plate. The geometric parameters of the gear are: Z=30, m=40mm, inner diameter i