3DP benchmark model for evaluation of dimensional accuracy against a pre-existing product

A. Air; A. Wodehouse

3DP benchmark model for evaluation of dimensional accuracy against a pre-existing product

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Abstract

In terms of building intricate features or complex parts, consumer 3D Printers have their limitations due to overall lower resolution and accuracy. This paper deals with the development, manufacture and testing of a benchmarking model, that can help evaluate the dimensional accuracy of 3D printers. The aim of this being to test the 3D printed model against a real-world product equivalent, that is universally recognised and accessible – a LEGO® brick – using its interlocking function as a test with an entertaining element. The methodology is demonstrated with a case study based on a Material Extrusion 3D Printer with measurements determined by a Coordinate Measure Machine to ensure high accuracy readings of the benchmarking model and the real-world product equivalent it is to be tested against.

Original language	English
Number of pages	10
Publication status	Published - 4 Apr 2019
Event	16th Conference on Rapid Design Prototyping and Manufacture (RDPM) - Brunel University, London, United Kingdom Duration: 4 Apr 2019 → 5 Apr 2019 http://www.rdpmconference.co.uk/home.html

Conference

Conference	16th Conference on Rapid Design Prototyping and Manufacture (RDPM)
Country	United Kingdom
City	London
Period	4/04/19 → 5/04/19
Internet address	http://www.rdpmconference.co.uk/home.html

Keywords

calibration printing test
benchmarking 3D model
consumer-level 3DP
material extrusion
fused deposition modelling
dimensional accuracy

Access to Document

Air-Wodehouse-RDPM2018-3DP-benchmark-model-for-evaluation-of-dimensional-accuracy-againstAccepted author manuscript, 794 KB

http://www.rdpmconference.co.uk/about.html

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title = "3DP benchmark model for evaluation of dimensional accuracy against a pre-existing product",

abstract = "In terms of building intricate features or complex parts, consumer 3D Printers have their limitations due to overall lower resolution and accuracy. This paper deals with the development, manufacture and testing of a benchmarking model, that can help evaluate the dimensional accuracy of 3D printers. The aim of this being to test the 3D printed model against a real-world product equivalent, that is universally recognised and accessible – a LEGO{\textregistered} brick – using its interlocking function as a test with an entertaining element. The methodology is demonstrated with a case study based on a Material Extrusion 3D Printer with measurements determined by a Coordinate Measure Machine to ensure high accuracy readings of the benchmarking model and the real-world product equivalent it is to be tested against. ",

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AB - In terms of building intricate features or complex parts, consumer 3D Printers have their limitations due to overall lower resolution and accuracy. This paper deals with the development, manufacture and testing of a benchmarking model, that can help evaluate the dimensional accuracy of 3D printers. The aim of this being to test the 3D printed model against a real-world product equivalent, that is universally recognised and accessible – a LEGO® brick – using its interlocking function as a test with an entertaining element. The methodology is demonstrated with a case study based on a Material Extrusion 3D Printer with measurements determined by a Coordinate Measure Machine to ensure high accuracy readings of the benchmarking model and the real-world product equivalent it is to be tested against.

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KW - material extrusion

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