| Investigation of Technological Parameters for Intervertebral Fusion Cage Made byMetal Powder Injection Molding |
| Received:September 26, 2015 Revised:September 26, 2015 |
| DOI： |
| Key Words: metal powder; injection molding; stainless steel; intervertebral fusion cage; technological parameters |
| Author Name | Affiliation | E-mail | | BIAN Hui-guang | 青岛科技大学机电工程学院 | 13583206079@163.com | | HU Ji-quan* | College of Mechanical and Electrical Engineering,Qingdao University of Science and Technology | hujiquanqdkj@126.com | | LIU Ying | College of Mechanical and Electrical Engineering,Qingdao University of Science and Technology | | | WANG Chuan-sheng | 青岛科技大学机电工程学院 | |
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| Abstract: |
| Metal feed contained different proportion of metal powder and binder were prepared by mixer mixing, and its flow properties were determined and compared to get optimal feed formula needed for optimum sintering temperature. The result showed that stainless steel feed comprehensive performance is the best, when the content of stainless metal powder in stainless steel feed was 92.6%. Performance of intervertebral fusion cage with optimum feed formula was tested on precise injection molding machine. Intervertebral fusion cage was injected with different feed temperature, mold temperature and injection pressure, and weight test results and injection time were recorded to get the optimum technological parameters. The result indicated that intervertebral fusion cage performed best when the mold temperature was 50 °C, injection pressure was 70 MPa, feed temperature was 180 °C, four heating section was used for injection temperature, and the temperature of the each section was 180, 175, 170 and 165 °C, respectively. |
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