Thin-wall LiAlO2 ceramic core block forming die

• Main Authors: HAO RUOTONG, LI ZONGSHU, SUI ZHENG, YANG YONG, LIANG FANGZHI, JI PENGBO, LIU WENTAO, HE YONG, DU JIANGPING, LIU YEGUANG
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2021
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The invention belongs to the technical field of nuclear fuel manufacturing, and particularly relates to a thin-wall LiAlO2 ceramic core block forming die which comprises a female die, an upper punch, a lower punch, a backing ring, a cushion block and a core rod. The upper punch is of a T-shaped structure, a punch rod is inserted into the female die from the upper portion and connected with a backing ring, a core block is arranged on the lower portion of the backing ring, the size of the backing ring is matched with that of a core rod, and the pressing forming effect on the core block is achieved. The backing ring and the core block sleeve the core rod; one end of the core rod is not contacted with the upper punch; the other end of the core rod is in contact with the lower punch through a cushion block; the lower punch is of a T-shaped structure, and the punch rod is inserted into the female die from the lower portion. The core rod comprises a rod part and a bottom boss, one end of the rod part is fixedly conn