FDM 3D打印参数对打印件精度的影响研究
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摘要
通过三水平三因素正交试验法设计了打印工艺参数,采用FDM快速成型设备打印制件。利用三坐标测量机、粗糙度测量仪研究了不同打印温度、分层厚度、打印速度、摆放位置对打印件尺寸精度及表面粗糙度的影响。测试结果表明:各因素对制件尺寸精度影响水平有差异,存在方向性,在宽度方向尺寸精度较差,长度和高度方向上尺寸精度相对较高。粗糙度测量仪测试结果表明打印件水平面的表面粗糙度比竖直面好。
The printing process parameters were designed by three-level three-factor orthogonal test,and the parts were printed by FDM rapid prototyping equipment. The effects of different printing temperature,layer thickness,printing speed and placement position on the dimensional accuracy and surface roughness of the printed parts were studied by using a coordinate measuring machine and a surface roughness measuring instrument. The results show that each factor has different influence on the dimensional accuracy of the workpiece,and there is directionality. The dimensional accuracy in the width direction is poor,and the dimensional accuracy in the length and height directions is relatively high. Roughness tester test results show that the surface roughness of the horizontal plane is better than that of the vertical plane.
The printing process parameters were designed by three-level three-factor orthogonal test,and the parts were printed by FDM rapid prototyping equipment. The effects of different printing temperature,layer thickness,printing speed and placement position on the dimensional accuracy and surface roughness of the printed parts were studied by using a coordinate measuring machine and a surface roughness measuring instrument. The results show that each factor has different influence on the dimensional accuracy of the workpiece,and there is directionality. The dimensional accuracy in the width direction is poor,and the dimensional accuracy in the length and height directions is relatively high. Roughness tester test results show that the surface roughness of the horizontal plane is better than that of the vertical plane.
引文
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[2]关雷,史子木,华学兵.熔丝沉积3D打印工艺问题分析及解决办法[J].浙江工贸职业技术学院学报,2017,17(4):53-57.
[3]张晓华,张李超,李智,等.基于熔融沉积法的快速成形柔性丝材技术研究[J].精密成形工程,2015,7(5):82-85.
[4]金泽枫,金杨福,周密,等.基于FDM聚乳酸3D打印材料的工艺性能研究[J].塑料工业,2016,44(2):67-70.
[5]张永,周天瑞,徐春晖.熔融沉积快速成型工艺成型精度的影响因素及对策[J].南昌大学学报工科版,2007,29(3):252-255.
[6]王成成,李梦倩,雷文,等. 3D打印用聚乳酸及其复合材料的研究进展[J].塑料科技,2016,44(6):89-91.
[7]迟百宏,解利杨,高晓东,等. FDM工艺中构建取向对塑料制品力学性能的影响[J].塑料,2015,44(4):40-42.
[8]刘新宇,张乔石,赵凌锋,等. 3D打印精度影响及翘曲成因的分析与优化[J].科技创业月刊,2016,11:114-118.
[9]韩善灵,亓涛,李志勇,等. FDM工艺精度分析与试验研究[J].机床与液压,2017,45(23):90-94.
[10]邬宗鹏,杨琦,张卉,等. FDM制品精度主要工艺参数的试验分析[J].装备制造技术,2017,10:66-68.
[11]杨继全,徐路钊,李成,等.基于FDM工艺的零件成型质量工艺参数研究[J].南京师范大学学报(工程技术版)报,2013,13(2):1-6.
[12]韩江,王益康,田晓青,等.熔融沉积(FDM)3D打印工艺参数优化设计研究[J].制造技术与机床,2016,6:139-142,146.