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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (3): 370-376    DOI: 10.1631/jzus.A0820346
Civil and Mechanical Engineering     
Filament geometrical model and nozzle trajectory analysis in the fused deposition modeling process
Yu-zhen JIN, Jia-fan ZHANG, Ying WANG, Zu-chao ZHU
State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China; Faculty of Mechanical Engineering & Automation, Zhejiang Sci-Tech University, Hangzhou 310018, China
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Abstract  The geometrical model of the filament during the fused deposition modeling (FDM) process was firstly proposed based on three different models, tractrix, parabola, and catenary. Comparing with the actual measured filament curves on the Stratasys 1600 FDM machine, it is indicated that the tractrix model had the best agreement with the actual measured curves. With the analytical simulation, the nozzle trajectories in the straight-line deposition road, circle road, and arbitrary continuous curve road were deduced, according to the traxtric based geometrical model of the filament.

Key words： Fused deposition modeling (FDM)      Filament geometrical model      Nozzle trajectory     
Received: 06 May 2008     
CLC:  TH16  
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Yu-zhen JIN
Jia-fan ZHANG
Ying WANG
Zu-chao ZHU
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Yu-zhen JIN, Jia-fan ZHANG, Ying WANG, Zu-chao ZHU. Filament geometrical model and nozzle trajectory analysis in the fused deposition modeling process. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(3): 370-376.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820346     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I3/370

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