Research progress on post-treatment technology to improve surface quality of polymer with 3D printing
The inherent process characteristics of 3D printing with product high surface roughness lead to poor surface finish and surface quality of parts,and 3D printing post-treatment technology has become an indispensable part of the 3D printing process.Therefore,the post-treatment technologies of polymer 3D printing parts were introduced,which included mechanical grinding post-treatment,chemical post-treatment,laser polishing post-treatment and coating post-treatment.Using surface roughness as index,the fine finishing abilities of different post-treatment processes on different material surfaces were compared.Finally,in view of the problems and challenges facing the development of 3D printing post-treatment technology,the future research trend of the technolo-gy was prospected.
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