Transactions of Materials and Heat Treatment

Title：Hot extrusion process of high-voltage switch rod ZF12

Authors： Zhang Jianguo Sun Guanghui

Unit： Henan Pinggao Electrical Co. Ltd. Henan University of Science and Technology

KeyWords： rod part with deep hole hot extrusion process die design

ClassificationCode：TG376.2

year,vol(issue):pagenumber：2015,40(8):84-86

Abstract：

In industrial production，the high-voltage switch rod ZF12 is made by machine directly, but the issues existed in low material utilization rate, low processing efficiency, high cost, and the difficulty in meeting the needs of the mechanical properties are obstacles in production. Therefore, a hot extrusion process was proposed to form high-voltage switch rod ZF12 by a die with two-procedure based on the analysis of its shape and size. The part with longer and deeper hole was extruded by a 315 t oil press in low cost. The wall thickness of this part was uniform and the coaxiality of the outer diameter with the inner hole was good. Compared with the traditional machining process, the new technology improved the material utilization rate and product quality.

Funds：

张建国(1963- )，男，学士，高级工程师孙光辉（1989-），男，硕士研究生

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