公开(公告)号：US12194519B2

公开(公告)日：2025-01-14

申请号：US16972990

申请日：2020-09-28

Applicant: Shandong University of Technology

Inventor： Guangming Zhu ,  Fanlei Min ,  Zheng Chang ,  Huiping Liu

IPC: B21C23/12 ,  B21C23/00 ,  B21C25/02 ,  B21C25/10 ,  G06F30/17

Abstract: Provided are an unequal-channel angular self-bending extrusion die and a method for designing and manufacturing the same and extrusion method thereof and includes following steps: designing a symmetrical streamlined extrusion die based on sine function; making the medial axis of the die cavity of the symmetrical streamlined extrusion die twisted and deformed on a certain plane; establishing the die cavity wall surface equation of the unequal-channel angular self-bending extrusion die; setting a working belt structure downstream the die cavity of the unequal-channel angular self-bending extrusion die.

公开(公告)号：US20230094663A1

公开(公告)日：2023-03-30

申请号：US16972990

申请日：2020-09-28

Applicant: Shandong University of Technology

Inventor： Guangming Zhu ,  Fanlei Min ,  Zheng Chang ,  Huiping Liu

IPC: B21C23/12 ,  B21C23/00 ,  B21C25/02 ,  B21C25/10

Abstract: Provided are an unequal-channel angular self-bending extrusion die and a method for designing and manufacturing the same and extrusion method thereof and includes following steps: designing a symmetrical streamlined extrusion die based on sine function; making the medial axis of the die cavity of the symmetrical streamlined extrusion die twisted and deformed on a certain plane; establishing the die cavity wall surface equation of the unequal-channel angular self-bending extrusion die; setting a working belt structure downstream the die cavity of the unequal-channel angular self-bending extrusion die.