光固化快速成型工艺过程分析及应用

Process analysis and application for rapid prototyping based on stereo lithography apparatus

光固化快速成型作为先进的制造技术的一部分,具有重要的应用价值。首先介绍了光固化快速成型工艺的基本原理,分析其存在的优点与缺点。论述了光固化快速成型设备的主要组成部分,如光学装置、容器系统、光敏材料、涂敷机构和控制系统等。以一个非标准圆柱齿轮为例,详细论述具体的加工过程并在SCPS350B成型机上加工出实物。探讨光固化成型技术在产品设计、模具制造、精密铸造、生物医学等方面的应用,展望该技术在未来的发展前景。

As one of important advanced manufacture technology,stereo lithography apparatus（SLA） has an important practical value.The presents the working principle for rapid prototyping technology based on SLA and summaries its merits and faults.Then the basic constitution of SLA system,such as optical device,vessel system,photosensitive material and control system are discussed,respectively.Taking a non-standard gear as experimental object and the manufacturing process is specified,which final products are manufactured on SCPS350B rapid prototyping machine.Moreover,the application of SLA in production design,mould manufacturing,precision casting and biomedical engineering is discussed.Finally,the future development of SLA is prospected.