Development of a portable stereolithography device for computer numerical control machining centres

Q3 Engineering

International Journal of Mechatronics and Manufacturing Systems Pub Date : 2019-10-30 DOI:10.1504/ijmms.2019.10025068

Vasileios Sergis, G. Vosniakos

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引用次数: 0

Abstract

A low-cost portable stereolithography (SLA) device is designed to cure polymer resin at suitable laser light wavelength. Required motions are imparted by any three-axis CNC machining centre exploiting serial communication interface, macro programming and machine data manipulation facilities. The device consists of three subsystems: laser beam, resin handling and micro-controller, making use of several sensors and actuators. For an approximately circular beam spot the G-code is generated by commercially available slicing software and is automatically modified to comply with the CNC machine controller's own automation functions. Alternatively, for line-shaped laser beams G-code can be directly generated from STL files by making use of profiling and hatching library routines. The device has been tested with two different power diode lasers for manufacturing a variety of parts. Curing rate was tested by micro-hardness measurement. Dimensional accuracy with respect to nominal was recorded using a white-light scanner, proving that acceptable accuracy is reachable.

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用于计算机数控加工中心的便携式立体光刻装置的研制

设计了一种低成本的便携式立体光刻（SLA）装置，用于在合适的激光波长下固化聚合物树脂。所需的运动由任何三轴数控加工中心提供，该中心利用串行通信接口、宏编程和机器数据操作设施。该装置由三个子系统组成：激光束、树脂处理和微控制器，利用几个传感器和执行器。对于近似圆形的光束点，G代码由商用切片软件生成，并自动修改以符合CNC机床控制器自身的自动化功能。或者，对于线形激光束，可以通过使用轮廓和阴影库例程从STL文件直接生成G代码。该设备已经用两种不同功率的二极管激光器进行了测试，用于制造各种零件。通过显微硬度测量测试固化速率。使用白光扫描仪记录相对于标称的尺寸精度，证明可达到可接受的精度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Mechatronics and Manufacturing Systems Engineering-Industrial and Manufacturing Engineering

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： IJMMS publishes refereed quality papers in the broad field of mechatronics and manufacturing systems with a special emphasis on research and development in the modern engineering of advanced manufacturing processes and systems. IJMMS fosters information exchange and discussion on all aspects of mechatronics (computers, electrical and mechanical engineering) with applications in manufacturing processes and systems.