Adaptive Slicing Algorithm Based on Contour Line of CAD Model in 3D Printing

doi:10.3969/j.issn.1000-565X.2018.02.006

Journal of South China University of Technology (Natural Science Edition) ›› 2018, Vol. 46 ›› Issue (2): 38-43.doi: 10.3969/j.issn.1000-565X.2018.02.006

• Mechanical Engineering • Previous Articles Next Articles

Adaptive Slicing Algorithm Based on Contour Line of CAD Model in 3D Printing

CHEN Songmao BAI Shigen

( School of Mechanical and Automotive Engineering，South China University of Technology，Guangzhou 510640，Guangdong，China

Received:2017-05-21 Revised:2017-07-26 Online:2018-02-25 Published:2018-01-02
Contact: 陈松茂( 1978-) ，男，博士，副教授，硕士生导师．主要从事特种塑性加工及模具计算机技术研究 E-mail:smchen@scut.edu.cn
About author: 陈松茂( 1978-) ，男，博士，副教授，硕士生导师．主要从事特种塑性加工及模具计算机技术研究
Supported by:
Supported by the National Natural Science Foundation of China( 51375175)

Abstract

Abstract: In the process of converting CAD ( Computer Aided Design) models into STL ( Standard Triangular Language) models in three-dimension ( 3D) printing，there exist such problems as reduction of surface accuracy and loss of structure information． In this paper，a adaptive layered method is proposed based on the contour line of CAD models，with an approach of angle grouping，by referring to a series of planes containing Z axis to cut CAD models with equal turning angle， rotating the intersecting contour lines of cutting planes and model surfaces to XOZ plane around the Z axis，and dividing the contour lines into differential segments，applying trigonometric function relations，probability and statistic method，and weighting to calculate the adaptive layered thickness of each layer for 3D printing STL files． The results of model printing show that the algorithm can reduce conversion error of STL files， improve printing accuracy and printing efficiency of 3D printings．

Key words:

three-dimension printing, adaptive slicing, STL files, angle grouping

CLC Number:

TP391

CHEN Songmao BAI Shigen .

Adaptive Slicing Algorithm Based on Contour Line of CAD Model in 3D Printing

[J]. Journal of South China University of Technology (Natural Science Edition), 2018, 46(2): 38-43.

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Adaptive Slicing Algorithm Based on Contour Line of CAD Model in 3D Printing

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