FDM制造PLA零件:工艺参数对压缩和弯曲载荷下力学性能影响的实验研究

Q4 Engineering

International Journal of Modern Manufacturing Technologies Pub Date : 2022-12-20 DOI:10.54684/ijmmt.2022.14.2.111

Shailendra Kumar, Soham Teraiya, Vishal Kumar Koriya

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引用次数: 0

摘要

本文对聚乳酸(PLA)零件在压缩和弯曲载荷下的力学性能进行了实验研究。采用熔融沉积建模(FDM)技术制备PLA零件。本文研究了光栅角度、光栅宽度和填充密度对压缩和弯曲载荷下零件强度和模量的影响。研究发现，在压缩载荷作用下，填充密度对零件的抗压强度和模量有显著影响。压缩性能随填充密度的增加而增加。此外，还发现栅格宽度和填充密度对抗弯强度和模量有显著影响。抗弯性能随填充密度的增大而增大，随栅格宽度的减小而减小。进一步，建立了响应预测模型，并利用遗传算法优化工艺参数，使响应最大化。

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FDM FABRICATED PLA PARTS: AN EXPERIMENTAL STUDY OF EFFECT OF PROCESS PARAMETERS ON MECHANICAL PROPERTIES UNDER COMPRESSIVE AND FLEXURAL LOADING

The present paper describes an experimental investigation on mechanical properties of poly-lactic-acid (PLA) parts under compressive and flexural loading. The PLA parts are fabricated by fused deposition modelling (FDM) technique. In present work, effect of raster angle, raster width and infill density on strength and modulus of parts under compressive and flexural loading is studied. It is found that infill density affects compressive strength and modulus of parts significantly under compressive loading. Compressive properties increase with increase in infill density. Further, it is found that raster width and infill density significantly influence flexural strength and modulus. Flexural properties increase with increase in infill density, and decrease in decrease in raster width. Further, predictive models are developed for responses, and process parameters are optimized using genetic algorithm to maximize the responses.

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来源期刊

International Journal of Modern Manufacturing Technologies Engineering-Industrial and Manufacturing Engineering

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： The main topics of the journal are: Micro & Nano Technologies; Rapid Prototyping Technologies; High Speed Manufacturing Processes; Ecological Technologies in Machine Manufacturing; Manufacturing and Automation; Flexible Manufacturing; New Manufacturing Processes; Design, Control and Exploitation; Assembly and Disassembly; Cold Forming Technologies; Optimization of Experimental Research and Manufacturing Processes; Maintenance, Reliability, Life Cycle Time and Cost; CAD/CAM/CAE/CAX Integrated Systems; Composite Materials Technologies; Non-conventional Technologies; Concurrent Engineering; Virtual Manufacturing; Innovation, Creativity and Industrial Development.