... Process planning Laser hot wire additive manufacturing (LHWAM) falls within the class of additive manufacturing processes known as directed energy deposition (DED). What distinguishes DED processes from laser powder bed fusion (LPBF) processes is that material is fed directly into the melt pool...

... limitations/implications Because of the chosen research approach, the research results may lack generalizability for the fabrication based on arbitrary surfaces. Originality/value This paper presented an integrated slicing, tool-path planning and welding process planning method for five-axis wire and arc...

... the inclined features, it is realized by the offset distance (Δd) and lifting distance (Δh) of the welding torch. Therefore, α can be expressed as follows: (1) tan   α = Δ d Δ h Process planning WAAM Direct fabrication Inclined geometrical features Additive...

... of the lift rod. Figure 1 Mechanical structure of a flexible support platform Algorithms Fused deposition modeling Process planning 3D printing Particle swarm optimization Orientation Equipment Build orientation optimization Flexible support platform Support structure reduction...

... of the fragments (Brinkman et al., 2008). Rapid prototyping Process planning Surgery Material-deforming processes Locking Plates Adapting Multi point forming Single die Conformity Patient-specific Knee osteotomy is a widely accepted orthopedic procedure for treating patients...

... is typically affected by the limited process planning methods. The process planning methods proficient at effectively using manufacturing sources for hybridization are notably restrictive. Hence, this paper aims to propose a computer-aided process planning system for hybrid additive, subtractive and inspection...

... nesting layout by using the part models’ 2D projection profiles of their pre-identified practical build orientations. Process planning Additive manufacturing Multi-parts production Parallel nesting Work space planning Additive manufacturing (AM), which has evolved from rapid prototyping...

... manufacturing Rapid manufacturing Process planning CAD/CAM Several area filling toolpath strategies have been developed for subtractive and additive manufacturing (AM) that include: zigzag or direction parallel, contour-offset or spiral, hybrid methods and use of space-filling curves. Build time...

... for both material deposition and erosion in selective laser melting. © Emerald Group Publishing Limited 2015 Rapid manufacturing Layered manufacturing Manufacturing technology Deposition Process planning A hollow semi-torus (OD = 140 mm; ID = 60 mm; thickness = 6 mm) is shown...

...Yicha Zhang; Alain Bernard Purpose – The purpose of this paper is to propose an integrated decision-making model for multi-attributes decision-making (MADM) problems in additive manufacturing (AM) process planning and for related MADM problems in other research areas. Design/methodology...

...Benay Sager; David W. Rosen Purpose The purpose of this paper is to demonstrate that significant surface finish improvements can be accomplished in stereolithography (SL) fabricated parts by applying a new process planning method based on parameter estimation (PE). Design/methodology/approach...

... developed and studied so far, the research in this field is inchoate and experimental in nature. In order to employ the MPμSLA technology for microfabrication, it is necessary to model its part building process and formulate a process planning method to cure dimensionally accurate microparts...

... is a new concept. David W. Rosen can be contacted at: david.rosen@me.gatech.edu © Emerald Group Publishing Limited 2006 Production processes Printers Process planning Accuracy Mask Projection Stereolithography (MPSLA) is a micro fabrication process capable of fabricating true...

... technology, as well as novel methods of implementing additional functionality into SLA and other rapid prototyping technologies. © MCB UP Limited 2001 Rapid prototyping Stereolithography Process planning Although stereolithography apparatus (SLA) machines are capable of accurately...

... quantitatively. This paper presents an empirical model for stereolithography apparatus (SLA) accuracy, as specified by geometric tolerances, and a process planning method based on response surface methodology and multiobjective optimization. Response surfaces are used to capture the relationships among part...

...Prashant Kulkarni; Anne Marsan; Debasish Dutta Layered manufacturing (LM) is emerging as a new manufacturing technology that can enhance the scope of manufacturing. One of the essential tasks in LM is process planning. This paper defines, conceptualizes and reviews the literature in this emerging...