【摘要】：針對3D打印機(jī)噴頭組件的打印精度低和表面粗糙、安裝不便、噴頭易堵塞等問題,建立噴頭組件裝配模型,分析其模型特征。并結(jié)合傅里葉熱傳導(dǎo)定律,利用ANSYS workbench對噴頭組件進(jìn)行熱力學(xué)分析,經(jīng)仿真分析和實踐應(yīng)用,對打印頭組件和鐵氟龍管的結(jié)構(gòu)進(jìn)行重新優(yōu)化設(shè)計。最后將原始噴頭組件和改進(jìn)后的噴頭組件進(jìn)行比較,得到改善后的打印機(jī)噴頭堵塞頻次明顯降低,流暢度更好,打印件表面質(zhì)量也得到了提高,主要散熱部件自身散熱效率至少提高8.17%,為3D打印機(jī)的進(jìn)一步推廣和發(fā)展提供了參考。
[Abstract]:Aiming at the problems of low printing precision, rough surface, inconvenient installation and easy clogging of spray nozzle assembly of 3D printer, the assembly model of nozzle assembly is established and its model characteristics are analyzed. Combined with Fourier's heat conduction law, the thermodynamics analysis of nozzle assembly is carried out by using ANSYS workbench. The structure of printing head assembly and Teflon tube is redesigned by simulation analysis and practical application. Finally, comparing the original nozzle assembly with the improved nozzle assembly, the improved printer nozzle clogging frequency is obviously reduced, the fluency is better, and the surface quality of the printed part is also improved. The heat dissipation efficiency of the main cooling parts is at least 8.17, which provides a reference for the further promotion and development of 3D printers.
【作者單位】： 湖北工業(yè)大學(xué)機(jī)械工程學(xué)院;
【基金】：國家自然科學(xué)基金項目(51405140) 湖北省自然科學(xué)基金重點項目(2015CFA112) 湖北省教育廳優(yōu)秀中青年科技創(chuàng)新團(tuán)隊(T201505)聯(lián)合資助
【分類號】：TP334.8
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本文編號：2297638