Rapid Prototyping Journal: Volume 24 Issue 2

A new method for locating candidate substrates for multi axis hybrid manufacturing systems

Mohamed A. Eldakroury, Niechen Chen, Matthew C. Frank

This study aims to introduce a new method for locating candidate substrates in part models and evaluating their feasibility.

Automated assembly of discrete parts using fused deposition modeling

Albert E. Patterson, Parvathavadhani Bahumanyam, Raghu Katragadda, Sherri L. Messimer

A useful potential application of additive manufacturing (AM) techniques is in automated assembly of existing discrete parts via printing of new material onto two or more parts…

Novel topological design of 3D Kagome structure for additive manufacturing

Rong Wang, Jianzhong Shang, Xin Li, Zhuo Wang, Zirong Luo

This paper aims to present a new topology method in designing the lightweight and complex structures for 3D printing.

Effects of mass energy and line mass on characteristics of the direct laser fabrication parts

Xinlin Wang, Dewei Deng, Hongchao Zhang

This study aims to investigate the effects of mass energy and line mass on the geometrical dimensions, microstructures, hardness and mechanical properties of direct laser…

The effect of different build orientations on the consolidation, tensile and fracture toughness properties of direct metal laser sintering Ti-6Al-4V

Hamza Hassn Alsalla, Christopher Smith, Liang Hao

The purpose of this paper is to study new process parameters which were selected to achieve the full density of Ti-6Al-4V samples in different building orientations and…

3D sand mould printing: a review and a new approach

Donghua Zhao, Weizhong Guo, Baibing Zhang, Feng Gao

The purpose of this paper is to review available technologies, analyse their features, propose a new approach of 3D sand mould printing based on line forming, introduce the…

Fabrication and stress analysis of ankle foot orthosis with additive manufacturing

Harish Kumar Banga, Rajendra M. Belokar, Parveen Kalra, Rajesh Kumar

Ankle–foot orthoses (AFOs) are assistive devices prescribed for a number of physical and neurological disorders affecting the mobility of the lower limbs. Additive manufacturing…

An optical approach to accurately determine surface finish for additive manufacturing

Federico Sciammarella

The paper aims to highlight the importance of having an optical method that can accurately measure the surface finish of 3D printed parts and the influence this has on the total…

Predicting strength of additively manufactured thermoplastic polymer parts produced using material extrusion

Joseph Bartolai, Timothy W. Simpson, Renxuan Xie

The weakest point in additively manufactured polymer parts produced by material extrusion additive manufacturing (MEAM) is the interface between adjacent layers and deposition…

Influence of laser parameters on the surface morphology of slurry-based Al2O3 parts produced through selective laser melting

Kai Zhang, Tingting Liu, Wenhe Liao, Changdong Zhang, Yishuai Yan, Daozhong Du

The purpose of this paper is to obtain high-performance ceramics and enrich additive manufacturing of ceramic parts. Also, a new manufacturing technique based on slurry by…

Formation and improvement of surface waviness for additive manufacturing 5A06 aluminium alloy component with GTAW system

Haibin Geng, Jinglong Li, Jiangtao Xiong, Xin Lin, Dan Huang, Fusheng Zhang

As known, the wire and arc additive manufacture technique can achieve stable process control, which is represented with periodic surface waviness, when using empirical methods or…

Geometric modeling of lattice structures for additive manufacturing

Gianpaolo Savio, Roberto Meneghello, Gianmaria Concheri

This paper aims to propose a consistent approach to geometric modeling of optimized lattice structures for additive manufacturing technologies.

Photolithography-free PDMS stamps for paper microdevice fabrication

R. Hunter Montgomery, Kelsey Phelan, Sawyer D. Stone, Francois Decuir, Bryant C. Hollins

This paper aims to investigate the applicability of 3D-printed molds to be used as a substitute for photolithography in the formation of polymer-based stamps. It proposes…

User interface tool for a novel plasma-assisted bio-additive extrusion system

Fengyuan Liu, Srichand Hinduja, Paulo Bártolo

This paper aims to describe the control software of a novel manufacturing system called plasma-assisted bio-extrusion system (PABS), designed to produce complex multi-material and…

Freeform additive manufacturing by vari-directional vari-dimensional material deposition

Che-Chih Tsao, Ho-Hsin Chang, Meng-Hao Liu, Ho-Chia Chen, Yun-Tang Hsu, Pei-Ying Lin, Yih-Lin Chou, Ying-Chieh Chao, Yun-Hui Shen, Cheng-Yi Huang, Kai-Chiang Chan, Yi-Hung Chen

The purpose of this paper is to propose and demonstrate a new additive manufacturing approach that breaks the layer-based point scanning limitations to increase fabrication speed…

Study of the relationship between dimensional performance and manufacturing cost in fused deposition modeling

Azadeh Haghighi, Lin Li

Quantifying and controlling the quality characteristics of parts produced by additive manufacturing (AM) processes has attracted significant interest in the research community…

Review on processes and color quality evaluation of color 3D printing

Jiangping Yuan, Ming Zhu, Baohui Xu, Guangxue Chen

The purpose of this paper is provide a broad view for the standardization efforts of color quality evaluation of color 3D printing techniques. Further, this review paper…

Mandibular retrognathia correction using a fixed sagittal guidance appliance individually manufactured by selective laser melting manufacturing technology

Anita Fekonja, Tjaša Zupancic Hartner, Andrej Cretnik

Digitalization and additive manufacturing now play an important role in the manufacturing of medical and dental products. The purpose of this paper is to present the results of…

Application of fuzzy AHP – TOPSIS for ranking additive manufacturing processes for microfabrication

Anand M.B., Vinodh S.

The purpose of this study is to rank additive manufacturing (AM) processes for microfabrication using integrated fuzzy analytic hierarchy process (AHP)-technique for order of…

A process for estimating minimum feature size in selective laser sintering

Benjamin Weiss, Olaf Diegel, Duane Storti, Mark Ganter

Manufacturer specifications for the resolution of an additive manufacturing (AM) machine can be ten times smaller (more optimistic) than the actual size of manufacturable…

A novel process planning algorithm for additive and subtractive manufacturing based on skeleton tree matching

Jingbin Hao, Xin Chen, Hao Liu, Shengping Ye

To remanufacture a disused part, a hybrid process needs to be taken in part production. Therefore, a reasonable machining route is necessary to be developed for the hybrid…

Fully resolved numerical simulations of fused deposition modeling. Part I: fluid flow

Huanxiong Xia, Jiacai Lu, Sadegh Dabiri, Gretar Tryggvason

This paper aims to present a first step toward developing a comprehensive methodology for fully resolved numerical simulations of fusion deposition modeling (FDM).

Shear band propagation in honeycombs: numerical and experimental

Hossein Goodarzi Hosseinabadi, Reza Bagheri, Volker Altstädt

Hexagonal honeycombs with meso-metric cell size show excellent load bearing and energy absorption potential, which make them attractive in many applications. However, owing to…

Minimizing voids for a material extrusion-based process

Hasti Eiliat, Ruth Jill Urbanic

After experimental testing, it was recognized that a component’s strength relationship with respect to the volume material usage is inconsistent and that failures occurred in…

Impact of vapor polishing on surface quality and mechanical properties of extruded ABS

Clayton Neff, Matthew Trapuzzano, Nathan B. Crane

Additive manufacturing (AM) is readily capable of producing models and prototypes of complex geometry and is advancing in creating functional parts. However, AM processes…