Stamping die

The utility model discloses a stamping die belongs to stamping forming technical field. This stamping die includes crowded material drift and down crowded material drift, and the lower terminal surface of going up crowded material drift is provided with inside sunken first annular groove, and the up...

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Bibliographic Details
Main Authors FANG TIHUI, LI JIANJU, ZHANG YANG
Format Patent
LanguageChinese
English
Published 22.01.2019
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Summary:The utility model discloses a stamping die belongs to stamping forming technical field. This stamping die includes crowded material drift and down crowded material drift, and the lower terminal surface of going up crowded material drift is provided with inside sunken first annular groove, and the up end of down crowded material drift also is provided with inside sunken two ring shaped recess, andthe degree of depth of first annular groove and the degree of depth sum of two ring shaped recess equal 0.2 0.05mm, and the width of first annular groove and two ring shaped recess equals and be greater than the width in material area. Such structure can guarantee in the stamping process that the peripheral material of first annular groove and two ring shaped recess is to first annular groove andthe inside gathering of two ring shaped recess to punching press play 2.1mm's product is taken to the material that reaches 1.9mm, reaches the requirement of product thickness. The utility model discloses simple structure, pro
Bibliography:Application Number: CN20182453257U