Abstract
The results of industrial testing of a new method of manufacturing glasses with a flange in the bottom part by direct extrusion with a counter-punch are presented. The characteristics of the tools used, the geometrical parameters of the stamping, and also the lubrication are described in detail. A method for eliminating the meniscus of the end face of the extruded glass wall is described. The results of practical studies of the strength properties and hardness of billets and obtained products are presented. Additionally, the high accuracy of the obtained calculation formulas is confirmed.
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