The Investigation Of Aerosol And Nanoparticles Emission From Selective Laser Sintering (SLS) 3D Printer Process Using Recycle And Virgin Powder

Ooi, Qi Xiang (2019) The Investigation Of Aerosol And Nanoparticles Emission From Selective Laser Sintering (SLS) 3D Printer Process Using Recycle And Virgin Powder. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Indoor Air Quality (IAQ) was significant and serious to our health and human. The qualities of the air related to the air contaminants at the indoor area. Poor IAQ leads several consequences to the occupants such as dizziness, vomit, irritation, headache and others. Additive manufacturing classified as one of the emerging technology, but there are limited investigation and studies on the emission of SLS 3D printing technology. Additive manufacturing would draw a lot of attentions and concerns due to its health impacts to our human body and the indoor environment. The studies on the emission of 3D printing carried out in this study was to create the safety limits and health concerns for the users and consumers. An investigation stated that PM and UFP have most negative effects on human and environmental health while on long term exposures and needed to be noticed often for occupants’ safeties. From this printing process, the calibration block is selected to be printed to measure and investigate the emission when carrying out the SLS printing process. The powdered material applied from this research is 100% virgin nylon (PA12) and mixed ratio powder (virgin: reheat: recycle) as the powder material which classified as (2:2:1) of ratio. Four phase mentioned in this printing process that strated from before printing, preparation printing, during printing and after printing. The highest concentration of particulate matter

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