| Study on Extrusion Uniformity of Compound Flow Field in Nonisothermal Cladding Head |
| Received:November 11, 2021 Revised:November 11, 2021 |
| DOI：10.12136/j.issn.1000-890X.2023.04.0292 |
| Key Words: cladding head；compound flow field；non-isothermal；extrusion uniformity；feed inlet；core wire traction speed；compound flow |
| Author Name | Affiliation | E-mail | | JIAO Dongmei* | Qingdao University of Science and Technology | jiaodongmei@qust.edu.cn | | XU Xiaopei | Qingdao University of Science and Technology | | | YUAN Shishuai | Qingdao University of Science and Technology | | | WU Chengwang | Qingdao University of Science and Technology | | | QIN Jian | Qingdao University of Science and Technology | |
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| Abstract: |
| The extrusion uniformity of the compound flow field in the non-isothermal cladding head was
studied. The results showed that the simulated variation trends of the pressure，temperature and flow velocity
of the compound flow field in the non-isothermal cladding head were similar to those of the actual situation，
and the simulation test was an effective method to analyze the compound flow field of the cladding head. The
effects of the flow channel parameters in the cladding head（feed inlet position，feed inlet diameter and core
wire traction speed） which affected the cladding uniformity were determined，which provided a theoretical
basis for the optimization of the cladding process and the flow channel parameters of the cladding head.
Moreover，the evaluation method of the matching between the core wire traction speed and the compound
flow at the feed inlet during the cladding process was established. This study provided theoretical guidance
for the determination of the cladding process and the flow channel parameters of the cladding head. |
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