POSSIBILITY SUBSTANTIATION OF A RATIONAL HORIZONTAL STIFFNESS REALIZATION OF THREE-PIECE TRUCK DESIGN
DOI:
https://doi.org/10.15802/stp2004/20628Keywords:
three-piece truck, wheel sets, wedge systemAbstract
The paper proposes a general approach to the choice of in-plane stiffness of three-piece bogie including the expressions of shear and bending stiffness and the dependencies of a critical speed on tangent track and in curves, wear factor and lateral acceleration on their values. Mathematical models of elastic and swing types of “side frame – wheelset” connection as well as of the spatial wedge system justify the possibility to achieve reasonable parameters.
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