Multi-layer interference fit die structure for high-speed upsetting process
The utility model discloses a multilayer interference fit die structure for a high-speed upsetting process, which comprises an outer die sleeve, an inner die sleeve and a die core, the outer die sleeve is of a cylindrical structure and is assembled in a female die holder of a high-speed upsetting ma...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
21.10.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a multilayer interference fit die structure for a high-speed upsetting process, which comprises an outer die sleeve, an inner die sleeve and a die core, the outer die sleeve is of a cylindrical structure and is assembled in a female die holder of a high-speed upsetting machine tool; a coaxial inner die sleeve is arranged in the outer die sleeve, the inner die sleeve is of a cylindrical structure, and the outer wall of the inner die sleeve is in interference fit with the inner wall of the outer die sleeve; the die core is assembled in the inner die sleeve, a die cavity is formed in the die core, and a blank is placed in the die cavity. The forming die has the advantages that the inner die sleeve in interference fit is designed between the outer die sleeve and the die core, it is guaranteed that the formed female die is pre-tightened by multiple layers of die sleeves, larger internal stress can be generated through combination of the inner die sleeve, the outer die sleeve and the die |
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Bibliography: | Application Number: CN202221075318U |