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Kinematic error modeling and error compensation of desktop 3D printer

Nanotechnology and Precision Engineering 2018年第3期1卷 180-186页

作者： Shane Keaveney pat connolly Eoin D.O'Cearbhaill School of Mechanical and Materials Engineering UCD Engineering and Materials Science CentreDublin 4Ireland

Desktop 3D printers have revolutionized how designers and makers prototype and manufacture certain *** popular fuse deposition modeling(FDM)desktop printers have enabled a shift to low-cost consumer goods markets,through reduced capital equipment investment and consumable material ***,with this drive to reduce costs,the computer numerical control(CNC)systems implemented in FDM printers are often compromised by poor accuracy and contouring *** condition is most critical as users begin to use 3D-printed components in load-bearing applications or to perform mechanical *** methods of low-cost 3D printer calibration are needed before their open-design potential can be realized in applications,including 3D-printed orthotics and *** paper applies methodologies associated with high-precision CNC machining systems,namely,kinematic error modeling and compensation coupled with standardized test methods from ISO230-4,such as the ballbar for kinematic and dynamic error measurements,to examine the influence and feasibility for use on low-cost CNC/3D printing ***,the *** and Drug Administration's"Technical considerations for additive manufactured medical devices"highlighted the need to develop standards specific to additive manufacturing in regulated manufacturing *** paper shows the benefits of the methods described within ISO230-4 for error assessment,alongside applying kinematic error modeling and compensation to the popular kinematic configuration of an Ultimaker 3D printer.A Renishaw ballbar QC10 is used to quantify the Ultimaker's errors and thereby populate the error *** method quantifies machine errors and populates these in a mathematical model of the CNC ***,a post-processor can be used to compensate the printing ***,the ballbar is used to demonstrate the dramatic impact of the error compensation model on the accuracy and contouring of the Ultimaker pr

关键词： 3D printing accuracy Kinematic error modeling Kinematic error compensation Ballbar FDM3D printing ISO230-4

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