Quality Study Of Parts Produced By 3D Printer

Kevin , Jok Sageng (2007) Quality Study Of Parts Produced By 3D Printer. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The "Quality Study of Parts Produced by 3D Printer" is based on Rapid Prototyping (RP) concept where RP model named Master Pattern is designed by Computer Aided Engineering (CAD) modeling software. The Master Pattern consists of shape and features of triangular and circular protrusion as well as triangular and circular hollow cavity and also part features consists of sections with draft angle were designed by using Solidwork CAD software. ZCorp ZPrinter 310 Plus 3D Printer Apparatus is used to produce three Master Pattern's physical prototype. This study investigates the surface finish, dimensional accuracy, flatness and straightness of the three Master Pattern samples produced using 3D Printer apparatus by using appropriate measuring equipment for quality testing namely the Digital Caliper, Coordinate Measuring Machine (CMM) and Portable Surface Roughness SJ-301 Measuring Instruments. The result of the study shows that the 3D Printer has a process capability to produce parts with a dimensional tolerance of ± 0.1000 to ± 0.2000mm and the surface roughness, Ra is correlated to the flatness and straightness. The findings shows that shape, surface and dimensional irregularities as the main defects and problem to parts produced by 3D Printer and the problem can be reduced by ensuring the process parameter such as part orientation, part hardening period, post processing method and curing time is properly adhered to produce parts with the highest quality.

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