Abstract
The technology improvement of conical springs manufacturing is considered in the work. It is proposed to change of the standard die scheme for the production of conical springs. As an improvement of the stamp, an elastic medium is used in the forming space of the stamping tool. Such a change in the die tool lead to improvement of the conical springs operational features and a reduction in their costs. The technique for estimating of a conical spring operational properties has been proposed. The technique was developed on the basis of mathematical modeling of the compression process in the operation of a spring. It was revealed that the existing technology of making conical springs promotes the formation of sharp edges. Improving of the spring section shape and form it with a curvilinear generatrix is proposed to eliminate the additional manufacturing stage of their dulling and for the increase in the endurance of the conical spring. To study the stamping process with using an elastic medium, a mathematical simulation of the conical springs stamping with an elastic medium was conducted. The dependences of the stamping force on the punch displacement are obtained. The experimental design of the tool for the conical springs stamping with the use of an elastic medium is designed. Experimental stamping of blanks with optimal parameters was carried out.
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