| Research on 3D Printing Process for Sleeve and Extension Sheath Small Assembly |
| Received:November 26, 2023 Revised:November 26, 2023 |
| DOI：10.12136/j.issn.1000-890X.2024.04.0293 |
| Key Words: sleeve；extension；sheath；3D printing；TPU |
| Author Name | Affiliation | E-mail | | XIE Jiacheng* | Tongji University | 780318776@qq.com | | YANG Haiwei | SAIC General Motors Corporation Limited | |
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| Abstract: |
| Power tools usually come with sleeves and extensions.To avoid direct contact between workers and rotating sleeves and extensions during fastening operations，a thermoplastic polyurethane（TPU） sleeve and extension sheath small assembly was designed to be both safe and easy to install.For the sleeve and extension sheath small assembly，SolidWorks and Teamcenter softwares were used for 3D modeling and virtual assessment of the vehicle environment.TPU samples were trial-produced using 3D printing technology，and through the orthogonal experimental method，the influence of printing process parameters on the hardness and tensile properties of the samples was analyzed，and an ideal combination of 3D printing process parameters of the sleeve and extension sheath small assembly was obtained：printing layer height 0.2 mm，wall thickness 1.2 mm，printing temperature 220 ℃，and printing speed 35 mm·s-1.The sleeve and extension sheath small assembly printed under this process condition met the usage requirements. |
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