Discussion on the reduction model of gear dynamics

In the double-tooth auxiliary meshing area, according to the corresponding relationship of the meshing position, the meshing rigidity of the two single-tooth pairs is superimposed, and the meshing rigidity of the gear running process should be obtained. This calculation is relatively simple, but it

Cummins ISF engine warms up in winter

In January 2013, Cummins Corporation organized the "Cummins ISF Light Engine Warming in Winter " at Quanzhou Jinan Gassing Logistics Base and many gas stations, and sent free gloves, hats, and other cold items to the vast number of driver friends who work hard in the winter. Driver