CAJ | 학술논문

为了实现聚合物微结构件的高效和高精度成型加工，提出基于激光融化的聚合物微结构特征成型新方法，并对其成型工艺进行研究。阐述激光融化成型机制，建立激光融化成型理论模型，理论推导聚合物温度变化与激光参数的相互关系表达式，数值计算和模拟激光辐照下的聚合物基体融化过程，探讨激光融化成型的控制理论与方法。研制试验装置，进行典型聚合物微结构特征激光融化成型试验，测试微结构成型误差，分析模具温度和成型压力等工艺因素对微结构成型效果的影响规律。试验结果表明，试验测试数据与理论计算结果基本相符，获得较好的聚合物微结构特征复制度和成型精度，微结构成型误差小于1μm，说明聚合物微结构特征的激光融化成型方法具有可行性和有效性。
위료실현취합물미결구건적고효화고정도성형가공，제출기우격광융화적취합물미결구특정성형신방법，병대기성형공예진행연구。천술격광융화성형궤제，건립격광융화성형이론모형，이론추도취합물온도변화여격광삼수적상호관계표체식，수치계산화모의격광복조하적취합물기체융화과정，탐토격광융화성형적공제이론여방법。연제시험장치，진행전형취합물미결구특정격광융화성형시험，측시미결구성형오차，분석모구온도화성형압력등공예인소대미결구성형효과적영향규률。시험결과표명，시험측시수거여이론계산결과기본상부，획득교호적취합물미결구특정복제도화성형정도，미결구성형오차소우1μm，설명취합물미결구특정적격광융화성형방법구유가행성화유효성。
To realize high efficient and precise forming of polymer micro-structured parts, a new process method for polymer micro-structured is presented based on the laser melting, and the corresponding process is studied. The formation mechanism and theoretical model are discussed about laser melting forming of polymer, the relationship between polymer melting temperature and laser parameters is investigated by the method of theoretical analysis, and the polymer melting process is calculated with the way of numerical simulation, and theory and controlling method on melting process are proposed. A small experimental device is developed and the tests for typical polymer micro-structured parts with laser melting forming are carried out. By examining inaccuracy of products, the effects of process parameters on melting forming are investigated, such as mould temperature, process force. The experimental results show that process accuracy and replication of products are got well, the shape errors of formed parts are less than 1μm, and the theoretical results of melting forming fit well with experiments data. It is demonstrated that the proposed process is a feasible and effective way to laser melting forming polymer micro-structured parts.