Low-pressure metal type tensile test bar forming die and forming method thereof

• Main Authors: LIN XIAOJUAN, LONG ZHIJUN, GAO ZHONGYU, WANG JIA, ZHANG XIAZHEN, LYU QING, HU ZHONGCHAO, CAI JIANWEN, CHEN HUYAN
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2022
• Subjects: CASTING; CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The invention belongs to the technical field of aluminum alloy manufacturing, and discloses a low-pressure metal mold tensile test bar forming mold and a forming method thereof. The mold comprises a left mold body, a right mold body and a bottom mold body, the left mold body and the right mold body are internally provided with a test bar cavity and a pouring channel after being closed through a mold closing assembly, the pouring channel comprises a transverse pouring gate, a straight pouring gate, a first feeding pouring gate, a feeding head, a second feeding pouring gate and an inner pouring gate, and the straight pouring gate and the feeding head are arranged on the upper portion of the transverse pouring gate; the ingate and the test bar cavity are respectively arranged above the cross gate, the sprue and the feeding head are communicated with the cross gate, the sprue is communicated with the feeding head through the ingate, the feeding head is communicated with the test bar cavity through the first feedi