2013•Rolling StockRequires access
Research on the Lateral Stiffness of Cylindrical Spiral Spring with Rubber Pad
Yang Guangw
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Abstract
The calculation method for the lateral stiffness of cylindrical spiral spring with rubber pads at the two ends is given.When the stiffness of the rubber pad at one end is considered to be infinitely great,the lateral stiffness of cylindrical spiral spring with rubber pad at one end can be obtained.The calculation result shows that the lateral stiffness calculated is fairly near the test value.It is found out in comparison and research that,in order to obtain the calculation value being near the test value,the correction coefficient of the stiffness matrix shall be considered when the lateral stiffness of the cylindrical spring is calculated independently,however,the correction coefficient shall not be considered when the lateral stiffness of the cylindrical spring with the rubber pad is calculated.