首页|面成型光固化3D打印制件成型精度优化

面成型光固化3D打印制件成型精度优化

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针对面成型光固化工艺存在制件尺寸收缩、翘曲变形等成型精度问题,制作尺寸为 60 mm×60 mm×20 mm的样件,以分层厚度、建模样式和构建角度为试验因素,以制件的尺寸、圆度和平面度为试验指标,采用正交试验法分析各试验因素对制件成型精度的影响规律.结果表明,建模样式是影响尺寸精度的最主要因素,构建角度是影响几何形状精度的最主要因素.总体而言,随着打印层厚的增加,成型误差逐渐增大;随着建模样式由粗略(Draft)到精细(Premium),成型误差逐渐降低;随着构建角度的增大,成型误差先降低后增大.通过极差分析法,确定最佳工艺参数组合为打印层厚 30 μm、建模样式Premium、构建角度15°.经试验验证,优化后的工艺参数提高了面成型光固化三维(3D)打印制件的成型精度.
Optimization of Forming Accuracy for 3D-Printed Parts Based on the Mask Exposal Stereolithography Process
In view of the forming accuracy problems such as dimensional shrinkage and warping deformation of the parts in the mask exposal stereolithography process,a specimen of 60 mm×60 mm×20 mm was manufactured.The layer thickness,modeling style and construction angle were taken as the test factors.The part size,roundness and flatness were taken as test indexes.The orthogonal test method was used to analyze the influences of test factors on the forming accuracy of the parts.The results show that the modeling style is the most important factor affecting the dimensional accuracy and the construction angle is the most important factor affecting the geometric shape accuracy.In general,with the increase of the layer thickness,the forming errors gradually increase.As the modeling style changes from rough(Draft)to fine(Premium),the molding errors gradually decrease.With the increase of the construction angle,the forming errors decrease first and then increase.Through the range analysis,the optimal combination of process parameters is comprised of a layer thickness of 30 μm,a modeling style named Premium,and a construction angle of 15°.The optimized process parameters could improve the forming accuracy of the mask exposal stereolithography 3D printing parts.

Mask Exposal Stereolithography3D-Printed PartMolding AccuracyOrthogonal TestOptimization of Process Parameter

苗盈、张西祁、司海伯、潘常春、许岚

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无锡职业技术学院机械技术学院,江苏 无锡 214121

江苏省智能产线技术及装备工程研究中心,江苏 无锡 214121

南京工业职业技术大学机械工程学院,江苏 南京 210023

杭州浙大旭日科技开发有限公司,浙江 杭州 310013

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面成型光固化 三维打印制件 成型精度 正交试验 工艺参数优化

江苏省产学研合作项目江苏省高等学校"青蓝工程"项目无锡职业技术学院理工类科研课题

BY2020440苏教师函[2021]11号ZK202101

2024

塑料工业
中蓝晨光化工研究院有限公司

塑料工业

CSTPCD北大核心
影响因子:0.685
ISSN:1005-5770
年,卷(期):2024.52(5)