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Review on digital light processing (DLP) and effect of printing parameters on quality of print

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Abstract

3D printing is a technique that converts a digital model developed with computer-aided design software (CAD) into an actual three-dimensional object by adding material one layer at a time.3-D printing is the commercially known as Additive manufacturing. Based on the raw material used in printing process, these printing methods are categorized as solid based, Liquid based and powdered based additive manufacturing. Digital Light Processing (DLP) is a type of 3D printing that uses ultraviolet (UV) light to harden liquid resin layer by layer. This paper aims at introduction to DLP and how the printing parameters affect the quality of 3D printed component made with DLP technology. The paper also focuses on applications of DLP in various industries like medical, jewelry, miniatures, and engineering prototypes. According to this review, DLP-based 3D printing method is a potentially useful tool for biologic research and clinical treatment. Additive manufacturing (AM) employs computer models to generate complicated 3D objects layer by layer. Among these different AM methods, parts made from photosensitive resins are commonly printed employ vat photo polymerization techniques including stereolithography (SLA) and (DLP). Digital light processing Clear resins made of acrylate monomers and oligomers are frequently utilized in DLP printing because of their excellent mechanical qualities and optical transparency after curing. Several printing settings affect the printed parts’ characteristics. This study examines how layer height and print orientation affect the mechanical characteristics of specimens made of transparent resin manufactured using a DLP 3D printer. Anisotropy is produced in printed specimens by internal stresses created during fabrication due to changing layer height and print orientation. The study offers guidance on how to choose the best DLP printing parameters to customize the ductility and strength of clear resin printed parts for various uses. This illustrates how the qualities of 3D-printed clear resin components may be tuned using the layer-by-layer DLP method.

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Authors and Affiliations

  1. Department of Mechanical Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, Telangana, 500090, India

    S. Swetha, T. Jeevana Sahiti, G. Sindhu Priya, Kandikonda Harshitha & Ajmeera Anil

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  1. S. Swetha
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  2. T. Jeevana Sahiti
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  3. G. Sindhu Priya
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  4. Kandikonda Harshitha
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  5. Ajmeera Anil
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Contributions

S Swetha: Conceptualization, Methodology, Investigation, Writing - Draft. T Jeevana Sahiti: Writing - Review & Editing, Experimentation. G Sindhu Priya: Writing - Review & Editing, Experimentation. Kandikonda Harshitha: Experimentation. Ajmeera Anil: Experimentation.

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Correspondence to S. Swetha.

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Swetha, S., Sahiti, T.J., Priya, G.S. et al. Review on digital light processing (DLP) and effect of printing parameters on quality of print. Interactions 245, 178 (2024). https://doi.org/10.1007/s10751-024-02018-5

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  • DOI: https://doi.org/10.1007/s10751-024-02018-5

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